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import{_ as t,c as y,b as s,a as o,e as a,d as n,w as p,r as D,o as i}from"./app-Dgsdh8A6.js";const C={};function d(u,l){const e=D("RouteLink"),c=D("CodeGroupItem"),r=D("CodeGroup");return i(),y("div",null,[l[32]||(l[32]=s("h1",{id:"wbi-签名",tabindex:"-1"},[s("a",{class:"header-anchor",href:"#wbi-签名"},[s("span",null,"WBI 签名")])],-1)),s("p",null,[l[1]||(l[1]=n("自 2023 年 3 月起，Bilibili Web 端部分接口开始采用 WBI 签名鉴权，表现在 REST API 请求时在 Query param 中添加了 ")),l[2]||(l[2]=s("code",null,"w_rid",-1)),l[3]||(l[3]=n(" 和 ")),l[4]||(l[4]=s("code",null,"wts",-1)),l[5]||(l[5]=n(" 字段。WBI 签名鉴权独立于 ")),a(e,{to:"/docs/misc/sign/APP.html"},{default:p(()=>l[0]||(l[0]=[n("APP 鉴权")])),_:1,__:[0]}),l[6]||(l[6]=n(" 与其他 Cookie 鉴权，目前被认为是一种 Web 端风控手段。"))]),s("p",null,[l[8]||(l[8]=n("经持续观察，大部分查询性接口都已经或准备采用 WBI 签名鉴权，请求 WBI 签名鉴权接口时，若签名参数 ")),l[9]||(l[9]=s("code",null,"w_rid",-1)),l[10]||(l[10]=n(" 与时间戳 ")),l[11]||(l[11]=s("code",null,"wts",-1)),l[12]||(l[12]=n(" 缺失、错误，会返回 ")),a(e,{to:"/docs/misc/sign/v_voucher.html"},{default:p(()=>l[7]||(l[7]=[s("code",null,"v_voucher",-1)])),_:1,__:[7]}),l[13]||(l[13]=n("，如："))]),l[33]||(l[33]=o('<div class="language-json line-numbers-mode" data-highlighter="shiki" data-ext="json" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-json"><span class="line"><span style="color:#D4D4D4;">{</span><span style="color:#9CDCFE;">&quot;code&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">,</span><span style="color:#9CDCFE;">&quot;message&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#CE9178;">&quot;0&quot;</span><span style="color:#D4D4D4;">,</span><span style="color:#9CDCFE;">&quot;ttl&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">,</span><span style="color:#9CDCFE;">&quot;data&quot;</span><span style="color:#D4D4D4;">:{</span><span style="color:#9CDCFE;">&quot;v_voucher&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#CE9178;">&quot;voucher_******&quot;</span><span style="color:#D4D4D4;">}}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p>感谢 <a href="https://github.com/SocialSisterYi/bilibili-API-collect/issues/631" target="_blank" rel="noopener noreferrer">#631</a> 的研究与逆向工程。</p><p>细节更新：<a href="https://github.com/SocialSisterYi/bilibili-API-collect/issues/885" target="_blank" rel="noopener noreferrer">#885</a>。</p><p>最新进展: <a href="https://github.com/SocialSisterYi/bilibili-API-collect/issues/919" target="_blank" rel="noopener noreferrer">#919</a></p><h2 id="wbi-签名算法" tabindex="-1"><a class="header-anchor" href="#wbi-签名算法"><span>WBI 签名算法</span></a></h2>',5)),s("ol",null,[s("li",null,[l[27]||(l[27]=s("p",null,[n("获取实时口令 "),s("code",null,"img_key"),n("、"),s("code",null,"sub_key")],-1)),s("p",null,[l[16]||(l[16]=n("从 ")),a(e,{to:"/docs/login/login_info.html#%E5%AF%BC%E8%88%AA%E6%A0%8F%E7%94%A8%E6%88%B7%E4%BF%A1%E6%81%AF"},{default:p(()=>l[14]||(l[14]=[n("nav 接口")])),_:1,__:[14]}),l[17]||(l[17]=n(" 中获取 ")),l[18]||(l[18]=s("code",null,"img_url",-1)),l[19]||(l[19]=n("、")),l[20]||(l[20]=s("code",null,"sub_url",-1)),l[21]||(l[21]=n(" 两个字段的参数。 或从 ")),a(e,{to:"/docs/misc/sign/bili_ticket.html#%E6%8E%A5%E5%8F%A3"},{default:p(()=>l[15]||(l[15]=[n("bili_ticket 接口")])),_:1,__:[15]}),l[22]||(l[22]=n(" 中获取 ")),l[23]||(l[23]=s("code",null,"img",-1)),l[24]||(l[24]=n()),l[25]||(l[25]=s("code",null,"sub",-1)),l[26]||(l[26]=n(" 两个字段的参数。"))]),l[28]||(l[28]=o('<p><strong>注：<code>img_url</code>、<code>sub_url</code> 两个字段的值看似为存于 BFS 中的 png 图片 url，实则只是经过伪装的实时 Token，故无需且不能试图访问这两个 url</strong></p><div class="language-json line-numbers-mode" data-highlighter="shiki" data-ext="json" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-json"><span class="line"><span style="color:#D4D4D4;">{</span><span style="color:#9CDCFE;">&quot;code&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#B5CEA8;">-101</span><span style="color:#D4D4D4;">,</span><span style="color:#9CDCFE;">&quot;message&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#CE9178;">&quot;账号未登录&quot;</span><span style="color:#D4D4D4;">,</span><span style="color:#9CDCFE;">&quot;ttl&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">,</span><span style="color:#9CDCFE;">&quot;data&quot;</span><span style="color:#D4D4D4;">:{</span><span style="color:#9CDCFE;">&quot;isLogin&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#569CD6;">false</span><span style="color:#D4D4D4;">,</span><span style="color:#9CDCFE;">&quot;wbi_img&quot;</span><span style="color:#D4D4D4;">:{</span><span style="color:#9CDCFE;">&quot;img_url&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#CE9178;">&quot;https://i0.hdslb.com/bfs/wbi/7cd084941338484aae1ad9425b84077c.png&quot;</span><span style="color:#D4D4D4;">,</span><span style="color:#9CDCFE;">&quot;sub_url&quot;</span><span style="color:#D4D4D4;">:</span><span style="color:#CE9178;">&quot;https://i0.hdslb.com/bfs/wbi/4932caff0ff746eab6f01bf08b70ac45.png&quot;</span><span style="color:#D4D4D4;">}}}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p>截取其文件名，分别记为 <code>img_key</code>、<code>sub_key</code>，如上述例子中的 <code>7cd084941338484aae1ad9425b84077c</code> 和 <code>4932caff0ff746eab6f01bf08b70ac45</code>。</p><p><code>img_key</code>、<code>sub_key</code> 全站统一使用，观测知应为<strong>每日更替</strong>，使用时建议做好<strong>缓存和刷新</strong>处理。</p><p>特别地，发现部分接口将 <code>img_key</code>、<code>sub_key</code> 硬编码进 JavaScript 文件内，如搜索接口 <code>https://s1.hdslb.com/bfs/static/laputa-search/client/assets/index.1ea39bea.js</code>，暂不清楚原因及影响。 同时, 部分页面会在 SSR 的 <code>__INITIAL_STATE__</code> 包含 <code>wbiImgKey</code> 与 <code>wbiSubKey</code>, 具体可用性与区别尚不明确</p>',5))]),l[29]||(l[29]=o(`<li><p>打乱重排实时口令获得 <code>mixin_key</code></p><p>把上一步获取到的 <code>sub_key</code> 拼接在 <code>img_key</code> 后面（下例记为 <code>raw_wbi_key</code>），遍历重排映射表 <code>MIXIN_KEY_ENC_TAB</code>，取出 <code>raw_wbi_key</code> 中对应位置的字符拼接得到新的字符串，截取前 32 位，即为 <code>mixin_key</code>。</p><p>重排映射表 <code>MIXIN_KEY_ENC_TAB</code> 长为 64，内容如下：</p><div class="language-rust line-numbers-mode" data-highlighter="shiki" data-ext="rust" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-rust"><span class="line"><span style="color:#569CD6;">const</span><span style="color:#D4D4D4;"> MIXIN_KEY_ENC_TAB: [</span><span style="color:#4EC9B0;">u8</span><span style="color:#D4D4D4;">; </span><span style="color:#B5CEA8;">64</span><span style="color:#D4D4D4;">] = [</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span></span>
<span class="line"><span style="color:#D4D4D4;">]</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>重排操作如下例：</p><div class="language-rust line-numbers-mode" data-highlighter="shiki" data-ext="rust" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-rust"><span class="line"><span style="color:#569CD6;"> fn</span><span style="color:#DCDCAA;"> gen_mixin_key</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">raw_wbi_key</span><span style="color:#D4D4D4;">: </span><span style="color:#569CD6;">impl</span><span style="color:#4EC9B0;"> AsRef</span><span style="color:#D4D4D4;">&lt;[</span><span style="color:#4EC9B0;">u8</span><span style="color:#D4D4D4;">]&gt;) -&gt; </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#D4D4D4;"> MIXIN_KEY_ENC_TAB: [</span><span style="color:#4EC9B0;">u8</span><span style="color:#D4D4D4;">; </span><span style="color:#B5CEA8;">64</span><span style="color:#D4D4D4;">] = [</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> ];</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> raw_wbi_key</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">raw_wbi_key</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">as_ref</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#569CD6;"> mut</span><span style="color:#9CDCFE;"> mixin_key</span><span style="color:#D4D4D4;"> = {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> binding</span><span style="color:#D4D4D4;"> = MIXIN_KEY_ENC_TAB</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">iter</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#6A9955;"> // 此步操作即遍历 MIXIN_KEY_ENC_TAB，取出 raw_wbi_key 中对应位置的字符</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">map</span><span style="color:#D4D4D4;">(|</span><span style="color:#9CDCFE;">n</span><span style="color:#D4D4D4;">| </span><span style="color:#9CDCFE;">raw_wbi_key</span><span style="color:#D4D4D4;">[*</span><span style="color:#9CDCFE;">n</span><span style="color:#569CD6;"> as</span><span style="color:#4EC9B0;"> usize</span><span style="color:#D4D4D4;">])</span></span>
<span class="line"><span style="color:#6A9955;"> // 并收集进数组内</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">collect</span><span style="color:#D4D4D4;">::&lt;</span><span style="color:#4EC9B0;">Vec</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#4EC9B0;">u8</span><span style="color:#D4D4D4;">&gt;&gt;();</span></span>
<span class="line"><span style="color:#569CD6;"> unsafe</span><span style="color:#D4D4D4;"> { </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">from_utf8_unchecked</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">binding</span><span style="color:#D4D4D4;">) }</span></span>
<span class="line"><span style="color:#D4D4D4;"> };</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> _</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">mixin_key</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">split_off</span><span style="color:#D4D4D4;">(</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">); </span><span style="color:#6A9955;">// 截取前 32 位字符</span></span>
<span class="line"><span style="color:#9CDCFE;"> mixin_key</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>如 <code>img_key</code> -&gt; <code>7cd084941338484aae1ad9425b84077c</code>、<code>sub_key</code> -&gt; <code>4932caff0ff746eab6f01bf08b70ac45</code> 经过上述操作后得到 <code>mixin_key</code> -&gt; <code>ea1db124af3c7062474693fa704f4ff8</code>。</p></li><li><p>计算签名（即 <code>w_rid</code>）</p><p>若下方内容为欲签名的<strong>原始</strong>请求参数（以 JavaScript Object 为例）</p><div class="language-javascript line-numbers-mode" data-highlighter="shiki" data-ext="javascript" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-javascript"><span class="line"><span style="color:#D4D4D4;">{</span></span>
<span class="line"><span style="color:#C8C8C8;"> foo</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;114&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#C8C8C8;"> bar</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;514&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#C8C8C8;"> zab</span><span style="color:#D4D4D4;">: </span><span style="color:#B5CEA8;">1919810</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p><code>wts</code> 字段的值应为当前以秒为单位的 Unix 时间戳，如 <code>1702204169</code></p><p>复制一份参数列表，添加 <code>wts</code> 参数，即：</p><div class="language-javascript line-numbers-mode" data-highlighter="shiki" data-ext="javascript" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-javascript"><span class="line"><span style="color:#D4D4D4;">{</span></span>
<span class="line"><span style="color:#C8C8C8;"> foo</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;114&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#C8C8C8;"> bar</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;514&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#C8C8C8;"> zab</span><span style="color:#D4D4D4;">: </span><span style="color:#B5CEA8;">1919810</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#C8C8C8;"> wts</span><span style="color:#D4D4D4;">: </span><span style="color:#B5CEA8;">1702204169</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>随后按键名升序排序后百分号编码 URL Query，拼接前面得到的 <code>mixin_key</code>，如 <code>bar=514&amp;foo=114&amp;wts=1702204169&amp;zab=1919810ea1db124af3c7062474693fa704f4ff8</code>，计算其 MD5 即为 <code>w_rid</code>。</p><p>需要注意的是：如果参数值含中文或特殊字符等，编码字符字母应当<strong>大写</strong> （部分库会错误编码为小写字母），空格应当编码为 <code>%20</code>（部分库按 <code>application/x-www-form-urlencoded</code> 约定编码为 <code>+</code>）, 具体正确行为可参考 <a href="https://tc39.es/ecma262/multipage/global-object.html#sec-encodeuricomponent-uricomponent" target="_blank" rel="noopener noreferrer">encodeURIComponent 函数</a></p><p>例如：</p><div class="language-javascript line-numbers-mode" data-highlighter="shiki" data-ext="javascript" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-javascript"><span class="line"><span style="color:#D4D4D4;">{</span></span>
<span class="line"><span style="color:#C8C8C8;"> foo</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;one one four&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#C8C8C8;"> bar</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;五一四&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#C8C8C8;"> baz</span><span style="color:#D4D4D4;">: </span><span style="color:#B5CEA8;">1919810</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>应该被编码为 <code>bar=%E4%BA%94%E4%B8%80%E5%9B%9B&amp;baz=1919810&amp;foo=one%20one%20four</code>。</p></li><li><p>向原始请求参数中添加 <code>w_rid</code>、<code>wts</code> 字段</p><p>将上一步得到的 <code>w_rid</code> 以及前面的 <code>wts</code> 追加到<strong>原始</strong>请求参数编码得到的 URL Query 后即可，目前看来无需对原始请求参数排序。</p><p>如前例最终得到 <code>bar=514&amp;foo=114&amp;zab=1919810&amp;w_rid=8f6f2b5b3d485fe1886cec6a0be8c5d4&amp;wts=1702204169</code>。</p></li>`,3))]),l[34]||(l[34]=o(`<h2 id="demo" tabindex="-1"><a class="header-anchor" href="#demo"><span>Demo</span></a></h2><p>含 <a href="#python">Python</a>、<a href="#javascript">JavaScript</a>、<a href="#golang">Golang</a>、<a href="#csharp">C#</a>、<a href="#java">Java</a>、<a href="#kotlin">Kotlin</a>、<a href="#swift">Swift</a>、<a href="#cplusplus">C++</a>、<a href="#rust">Rust</a>、<a href="#haskell">Haskell</a> 语言编写的 Demo</p><h3 id="python" tabindex="-1"><a class="header-anchor" href="#python"><span>Python</span></a></h3><p>需要<code>requests</code>依赖</p><div class="language-python line-numbers-mode" data-highlighter="shiki" data-ext="python" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-python"><span class="line"><span style="color:#C586C0;">from</span><span style="color:#D4D4D4;"> functools </span><span style="color:#C586C0;">import</span><span style="color:#D4D4D4;"> reduce</span></span>
<span class="line"><span style="color:#C586C0;">from</span><span style="color:#D4D4D4;"> hashlib </span><span style="color:#C586C0;">import</span><span style="color:#D4D4D4;"> md5</span></span>
<span class="line"><span style="color:#C586C0;">import</span><span style="color:#D4D4D4;"> urllib.parse</span></span>
<span class="line"><span style="color:#C586C0;">import</span><span style="color:#D4D4D4;"> time</span></span>
<span class="line"><span style="color:#C586C0;">import</span><span style="color:#D4D4D4;"> requests</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;">mixinKeyEncTab = [</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span></span>
<span class="line"><span style="color:#D4D4D4;">]</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">def</span><span style="color:#DCDCAA;"> getMixinKey</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">orig</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;">):</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;对 imgKey 和 subKey 进行字符顺序打乱编码&#39;</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> reduce(</span><span style="color:#569CD6;">lambda</span><span style="color:#9CDCFE;"> s</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">: s + orig[i], mixinKeyEncTab, </span><span style="color:#CE9178;">&#39;&#39;</span><span style="color:#D4D4D4;">)[:</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">def</span><span style="color:#DCDCAA;"> encWbi</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">params</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">dict</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">img_key</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">sub_key</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;">):</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;为请求参数进行 wbi 签名&#39;</span></span>
<span class="line"><span style="color:#D4D4D4;"> mixin_key = getMixinKey(img_key + sub_key)</span></span>
<span class="line"><span style="color:#D4D4D4;"> curr_time = </span><span style="color:#DCDCAA;">round</span><span style="color:#D4D4D4;">(time.time())</span></span>
<span class="line"><span style="color:#D4D4D4;"> params[</span><span style="color:#CE9178;">&#39;wts&#39;</span><span style="color:#D4D4D4;">] = curr_time </span><span style="color:#6A9955;"># 添加 wts 字段</span></span>
<span class="line"><span style="color:#D4D4D4;"> params = </span><span style="color:#4EC9B0;">dict</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">sorted</span><span style="color:#D4D4D4;">(params.items())) </span><span style="color:#6A9955;"># 按照 key 重排参数</span></span>
<span class="line"><span style="color:#6A9955;"> # 过滤 value 中的 &quot;!&#39;()*&quot; 字符</span></span>
<span class="line"><span style="color:#D4D4D4;"> params = {</span></span>
<span class="line"><span style="color:#D4D4D4;"> k : </span><span style="color:#CE9178;">&#39;&#39;</span><span style="color:#D4D4D4;">.join(</span><span style="color:#DCDCAA;">filter</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">lambda</span><span style="color:#9CDCFE;"> chr</span><span style="color:#D4D4D4;">: </span><span style="color:#DCDCAA;">chr</span><span style="color:#C586C0;"> not</span><span style="color:#C586C0;"> in</span><span style="color:#CE9178;"> &quot;!&#39;()*&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;">(v)))</span></span>
<span class="line"><span style="color:#C586C0;"> for</span><span style="color:#D4D4D4;"> k, v </span></span>
<span class="line"><span style="color:#C586C0;"> in</span><span style="color:#D4D4D4;"> params.items()</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> query = urllib.parse.urlencode(params) </span><span style="color:#6A9955;"># 序列化参数</span></span>
<span class="line"><span style="color:#D4D4D4;"> wbi_sign = md5((query + mixin_key).encode()).hexdigest() </span><span style="color:#6A9955;"># 计算 w_rid</span></span>
<span class="line"><span style="color:#D4D4D4;"> params[</span><span style="color:#CE9178;">&#39;w_rid&#39;</span><span style="color:#D4D4D4;">] = wbi_sign</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> params</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">def</span><span style="color:#DCDCAA;"> getWbiKeys</span><span style="color:#D4D4D4;">() -&gt; tuple[</span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;">]:</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;获取最新的 img_key 和 sub_key&#39;</span></span>
<span class="line"><span style="color:#D4D4D4;"> headers = {</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;User-Agent&#39;</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;Referer&#39;</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;https://www.bilibili.com/&#39;</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> resp = requests.get(</span><span style="color:#CE9178;">&#39;https://api.bilibili.com/x/web-interface/nav&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">headers</span><span style="color:#D4D4D4;">=headers)</span></span>
<span class="line"><span style="color:#D4D4D4;"> resp.raise_for_status()</span></span>
<span class="line"><span style="color:#D4D4D4;"> json_content = resp.json()</span></span>
<span class="line"><span style="color:#D4D4D4;"> img_url: </span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;"> = json_content[</span><span style="color:#CE9178;">&#39;data&#39;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&#39;wbi_img&#39;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&#39;img_url&#39;</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"><span style="color:#D4D4D4;"> sub_url: </span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;"> = json_content[</span><span style="color:#CE9178;">&#39;data&#39;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&#39;wbi_img&#39;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&#39;sub_url&#39;</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"><span style="color:#D4D4D4;"> img_key = img_url.rsplit(</span><span style="color:#CE9178;">&#39;/&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">)[</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">].split(</span><span style="color:#CE9178;">&#39;.&#39;</span><span style="color:#D4D4D4;">)[</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"><span style="color:#D4D4D4;"> sub_key = sub_url.rsplit(</span><span style="color:#CE9178;">&#39;/&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">)[</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">].split(</span><span style="color:#CE9178;">&#39;.&#39;</span><span style="color:#D4D4D4;">)[</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> img_key, sub_key</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;">img_key, sub_key = getWbiKeys()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;">signed_params = encWbi(</span></span>
<span class="line"><span style="color:#9CDCFE;"> params</span><span style="color:#D4D4D4;">={</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;foo&#39;</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;114&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;bar&#39;</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&#39;514&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;baz&#39;</span><span style="color:#D4D4D4;">: </span><span style="color:#B5CEA8;">1919810</span></span>
<span class="line"><span style="color:#D4D4D4;"> },</span></span>
<span class="line"><span style="color:#9CDCFE;"> img_key</span><span style="color:#D4D4D4;">=img_key,</span></span>
<span class="line"><span style="color:#9CDCFE;"> sub_key</span><span style="color:#D4D4D4;">=sub_key</span></span>
<span class="line"><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;">query = urllib.parse.urlencode(signed_params)</span></span>
<span class="line"><span style="color:#DCDCAA;">print</span><span style="color:#D4D4D4;">(signed_params)</span></span>
<span class="line"><span style="color:#DCDCAA;">print</span><span style="color:#D4D4D4;">(query)</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>输出内容分别是进行 Wbi 签名的后参数的 key-Value 以及 url query 形式</p><div class="language- line-numbers-mode" data-highlighter="shiki" data-ext="" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-"><span class="line"><span>{&#39;bar&#39;: &#39;514&#39;, &#39;baz&#39;: &#39;1919810&#39;, &#39;foo&#39;: &#39;114&#39;, &#39;wts&#39;: &#39;1702204169&#39;, &#39;w_rid&#39;: &#39;d3cbd2a2316089117134038bf4caf442&#39;}</span></span>
<span class="line"><span>bar=514&amp;baz=1919810&amp;foo=114&amp;wts=1702204169&amp;w_rid=d3cbd2a2316089117134038bf4caf442</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="javascript" tabindex="-1"><a class="header-anchor" href="#javascript"><span>JavaScript</span></a></h3><p>需要 <code>fetch</code>(浏览器、NodeJS等环境自带)、<code>md5</code> 依赖</p>`,9)),a(r,null,{default:p(()=>[a(c,{title:"JavaScript"},{default:p(()=>l[30]||(l[30]=[s("div",{class:"language-javascript line-numbers-mode","data-highlighter":"shiki","data-ext":"javascript",style:{"background-color":"#1E1E1E",color:"#D4D4D4"}},[s("pre",{class:"shiki dark-plus vp-code"},[s("code",{class:"language-javascript"},[s("span",{class:"line"},[s("span",{style:{color:"#C586C0"}},"import"),s("span",{style:{color:"#9CDCFE"}}," md5"),s("span",{style:{color:"#C586C0"}}," from"),s("span",{style:{color:"#CE9178"}}," 'md5'")]),n(`
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<span class="line"></span>
<span class="line"><span style="color:#C586C0;">import</span><span style="color:#D4D4D4;"> (</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;bytes&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;crypto/md5&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;encoding/hex&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;encoding/json&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;fmt&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;io&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;net/http&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;net/url&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;strconv&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;strings&quot;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;time&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#DCDCAA;"> main</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#9CDCFE;"> u</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">err</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Parse</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;https://api.bilibili.com/x/space/wbi/acc/info?mid=1850091&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> != </span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#DCDCAA;"> panic</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">err</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#9CDCFE;"> fmt</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Printf</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;orig: </span><span style="color:#9CDCFE;">%s</span><span style="color:#D7BA7D;">\\n</span><span style="color:#CE9178;">&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">u</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">String</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">Sign</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">u</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> != </span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#DCDCAA;"> panic</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">err</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#9CDCFE;"> fmt</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Printf</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;signed: </span><span style="color:#9CDCFE;">%s</span><span style="color:#D7BA7D;">\\n</span><span style="color:#CE9178;">&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">u</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">String</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // 获取 wbi 时未修改 header</span></span>
<span class="line"><span style="color:#6A9955;"> // 但实际使用签名后的 url 时发现风控较为严重</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">// Sign 为链接签名</span></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#DCDCAA;"> Sign</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">u</span><span style="color:#D4D4D4;"> *</span><span style="color:#4EC9B0;">url</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">URL</span><span style="color:#D4D4D4;">) </span><span style="color:#4EC9B0;">error</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> wbiKeys</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Sign</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">u</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">// Update 无视过期时间更新</span></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#DCDCAA;"> Update</span><span style="color:#D4D4D4;">() </span><span style="color:#4EC9B0;">error</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> wbiKeys</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Update</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#DCDCAA;"> Get</span><span style="color:#D4D4D4;">() (</span><span style="color:#9CDCFE;">wk</span><span style="color:#4EC9B0;"> WbiKeys</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">err</span><span style="color:#4EC9B0;"> error</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">wk</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">update</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">false</span><span style="color:#D4D4D4;">); </span><span style="color:#9CDCFE;">err</span><span style="color:#D4D4D4;"> != </span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#4EC9B0;"> WbiKeys</span><span style="color:#D4D4D4;">{}, </span><span style="color:#9CDCFE;">err</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> wbiKeys</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">nil</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">var</span><span style="color:#9CDCFE;"> wbiKeys</span><span style="color:#4EC9B0;"> WbiKeys</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">type</span><span style="color:#4EC9B0;"> WbiKeys</span><span style="color:#569CD6;"> struct</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> Img</span><span style="color:#4EC9B0;"> string</span></span>
<span class="line"><span style="color:#9CDCFE;"> Sub</span><span style="color:#4EC9B0;"> string</span></span>
<span class="line"><span style="color:#9CDCFE;"> Mixin</span><span style="color:#4EC9B0;"> string</span></span>
<span class="line"><span style="color:#9CDCFE;"> lastUpdateTime</span><span style="color:#4EC9B0;"> time</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">Time</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">// Sign 为链接签名</span></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">wk </span><span style="color:#D4D4D4;">*</span><span style="color:#4EC9B0;">WbiKeys</span><span style="color:#D4D4D4;">) </span><span style="color:#DCDCAA;">Sign</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">u</span><span style="color:#D4D4D4;"> *</span><span style="color:#4EC9B0;">url</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">URL</span><span style="color:#D4D4D4;">) (</span><span style="color:#9CDCFE;">err</span><span style="color:#4EC9B0;"> error</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">wk</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">update</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">false</span><span style="color:#D4D4D4;">); </span><span style="color:#9CDCFE;">err</span><span style="color:#D4D4D4;"> != </span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> err</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> values</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">u</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Query</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> values</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">removeUnwantedChars</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">values</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&#39;!&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&#39;\\&#39;&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&#39;(&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&#39;)&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&#39;*&#39;</span><span style="color:#D4D4D4;">) </span><span style="color:#6A9955;">// 必要性存疑?</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> values</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Set</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;wts&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">strconv</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">FormatInt</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">time</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Now</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">Unix</span><span style="color:#D4D4D4;">(), </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // [url.Values.Encode] 内会对参数排序,</span></span>
<span class="line"><span style="color:#6A9955;"> // 且遍历 map 时本身就是无序的</span></span>
<span class="line"><span style="color:#9CDCFE;"> hash</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">md5</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Sum</span><span style="color:#D4D4D4;">([]</span><span style="color:#4EC9B0;">byte</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">values</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Encode</span><span style="color:#D4D4D4;">() + </span><span style="color:#9CDCFE;">wk</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Mixin</span><span style="color:#D4D4D4;">)) </span><span style="color:#6A9955;">// Calculate w_rid</span></span>
<span class="line"><span style="color:#9CDCFE;"> values</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Set</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;w_rid&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">hex</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">EncodeToString</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">hash</span><span style="color:#D4D4D4;">[:]))</span></span>
<span class="line"><span style="color:#9CDCFE;"> u</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">RawQuery</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">values</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Encode</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#569CD6;"> nil</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">// Update 无视过期时间更新</span></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">wk </span><span style="color:#D4D4D4;">*</span><span style="color:#4EC9B0;">WbiKeys</span><span style="color:#D4D4D4;">) </span><span style="color:#DCDCAA;">Update</span><span style="color:#D4D4D4;">() (</span><span style="color:#9CDCFE;">err</span><span style="color:#4EC9B0;"> error</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> wk</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">update</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">true</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">// update 按需更新</span></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">wk </span><span style="color:#D4D4D4;">*</span><span style="color:#4EC9B0;">WbiKeys</span><span style="color:#D4D4D4;">) </span><span style="color:#DCDCAA;">update</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">purge</span><span style="color:#4EC9B0;"> bool</span><span style="color:#D4D4D4;">) </span><span style="color:#4EC9B0;">error</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#D4D4D4;"> !</span><span style="color:#9CDCFE;">purge</span><span style="color:#D4D4D4;"> &amp;&amp; </span><span style="color:#9CDCFE;">time</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Since</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">wk</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">lastUpdateTime</span><span style="color:#D4D4D4;">) &lt; </span><span style="color:#9CDCFE;">time</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Hour</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#569CD6;"> nil</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // 测试下来不用修改 header 也能过</span></span>
<span class="line"><span style="color:#9CDCFE;"> resp</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">err</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">http</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Get</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;https://api.bilibili.com/x/web-interface/nav&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> != </span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> err</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#C586C0;"> defer</span><span style="color:#9CDCFE;"> resp</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Body</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Close</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#9CDCFE;"> body</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">err</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">io</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">ReadAll</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">resp</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Body</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> != </span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> err</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> nav</span><span style="color:#D4D4D4;"> := </span><span style="color:#4EC9B0;">Nav</span><span style="color:#D4D4D4;">{}</span></span>
<span class="line"><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">json</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Unmarshal</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">body</span><span style="color:#D4D4D4;">, &amp;</span><span style="color:#9CDCFE;">nav</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> != </span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> err</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> nav</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Code</span><span style="color:#D4D4D4;"> != </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;"> &amp;&amp; </span><span style="color:#9CDCFE;">nav</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Code</span><span style="color:#D4D4D4;"> != -</span><span style="color:#B5CEA8;">101</span><span style="color:#D4D4D4;"> { </span><span style="color:#6A9955;">// -101 未登录时也会返回两个 key</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> fmt</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Errorf</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;unexpected code: </span><span style="color:#9CDCFE;">%d</span><span style="color:#CE9178;">, message: </span><span style="color:#9CDCFE;">%s</span><span style="color:#CE9178;">&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">nav</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Code</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">nav</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Message</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#9CDCFE;"> img</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">nav</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Data</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">WbiImg</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">ImgUrl</span></span>
<span class="line"><span style="color:#9CDCFE;"> sub</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">nav</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Data</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">WbiImg</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">SubUrl</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> img</span><span style="color:#D4D4D4;"> == </span><span style="color:#CE9178;">&quot;&quot;</span><span style="color:#D4D4D4;"> || </span><span style="color:#9CDCFE;">sub</span><span style="color:#D4D4D4;"> == </span><span style="color:#CE9178;">&quot;&quot;</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> fmt</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Errorf</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;empty image or sub url: </span><span style="color:#9CDCFE;">%s</span><span style="color:#CE9178;">&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">body</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // https://i0.hdslb.com/bfs/wbi/7cd084941338484aae1ad9425b84077c.png</span></span>
<span class="line"><span style="color:#9CDCFE;"> imgParts</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">strings</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Split</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">img</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;/&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#9CDCFE;"> subParts</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">strings</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Split</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">sub</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;/&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // 7cd084941338484aae1ad9425b84077c.png</span></span>
<span class="line"><span style="color:#9CDCFE;"> imgPng</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">imgParts</span><span style="color:#D4D4D4;">[</span><span style="color:#DCDCAA;">len</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">imgParts</span><span style="color:#D4D4D4;">)-</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"><span style="color:#9CDCFE;"> subPng</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">subParts</span><span style="color:#D4D4D4;">[</span><span style="color:#DCDCAA;">len</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">subParts</span><span style="color:#D4D4D4;">)-</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // 7cd084941338484aae1ad9425b84077c</span></span>
<span class="line"><span style="color:#9CDCFE;"> wbiKeys</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Img</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">strings</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">TrimSuffix</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">imgPng</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;.png&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#9CDCFE;"> wbiKeys</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Sub</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">strings</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">TrimSuffix</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">subPng</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;.png&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> wbiKeys</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">mixin</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#9CDCFE;"> wbiKeys</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">lastUpdateTime</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">time</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Now</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#569CD6;"> nil</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">wk </span><span style="color:#D4D4D4;">*</span><span style="color:#4EC9B0;">WbiKeys</span><span style="color:#D4D4D4;">) </span><span style="color:#DCDCAA;">mixin</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#569CD6;"> var</span><span style="color:#9CDCFE;"> mixin</span><span style="color:#D4D4D4;"> [</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">]</span><span style="color:#4EC9B0;">byte</span></span>
<span class="line"><span style="color:#9CDCFE;"> wbi</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">wk</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Img</span><span style="color:#D4D4D4;"> + </span><span style="color:#9CDCFE;">wk</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Sub</span></span>
<span class="line"><span style="color:#C586C0;"> for</span><span style="color:#9CDCFE;"> i</span><span style="color:#D4D4D4;"> := </span><span style="color:#C586C0;">range</span><span style="color:#9CDCFE;"> mixin</span><span style="color:#D4D4D4;"> { </span><span style="color:#6A9955;">// for i := 0; i &lt; len(mixin); i++ {</span></span>
<span class="line"><span style="color:#9CDCFE;"> mixin</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">] = </span><span style="color:#9CDCFE;">wbi</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">mixinKeyEncTab</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">]]</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#9CDCFE;"> wk</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Mixin</span><span style="color:#D4D4D4;"> = </span><span style="color:#4EC9B0;">string</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">mixin</span><span style="color:#D4D4D4;">[:])</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">var</span><span style="color:#9CDCFE;"> mixinKeyEncTab</span><span style="color:#D4D4D4;"> = [...]</span><span style="color:#4EC9B0;">int</span><span style="color:#D4D4D4;">{</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">61</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#DCDCAA;"> removeUnwantedChars</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">v</span><span style="color:#4EC9B0;"> url</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">Values</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">chars</span><span style="color:#D4D4D4;"> ...</span><span style="color:#4EC9B0;">byte</span><span style="color:#D4D4D4;">) </span><span style="color:#4EC9B0;">url</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">Values</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> b</span><span style="color:#D4D4D4;"> := []</span><span style="color:#4EC9B0;">byte</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">v</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Encode</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"><span style="color:#C586C0;"> for</span><span style="color:#9CDCFE;"> _</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">c</span><span style="color:#D4D4D4;"> := </span><span style="color:#C586C0;">range</span><span style="color:#9CDCFE;"> chars</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> b</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">bytes</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">ReplaceAll</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">b</span><span style="color:#D4D4D4;">, []</span><span style="color:#4EC9B0;">byte</span><span style="color:#D4D4D4;">{</span><span style="color:#9CDCFE;">c</span><span style="color:#D4D4D4;">}, </span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#9CDCFE;"> s</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">err</span><span style="color:#D4D4D4;"> := </span><span style="color:#9CDCFE;">url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">ParseQuery</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">string</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">b</span><span style="color:#D4D4D4;">))</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#9CDCFE;"> err</span><span style="color:#D4D4D4;"> != </span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#DCDCAA;"> panic</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">err</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> s</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">type</span><span style="color:#4EC9B0;"> Nav</span><span style="color:#569CD6;"> struct</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> Code</span><span style="color:#4EC9B0;"> int</span><span style="color:#CE9178;"> \`json:&quot;code&quot;\`</span></span>
<span class="line"><span style="color:#9CDCFE;"> Message</span><span style="color:#4EC9B0;"> string</span><span style="color:#CE9178;"> \`json:&quot;message&quot;\`</span></span>
<span class="line"><span style="color:#9CDCFE;"> Ttl</span><span style="color:#4EC9B0;"> int</span><span style="color:#CE9178;"> \`json:&quot;ttl&quot;\`</span></span>
<span class="line"><span style="color:#9CDCFE;"> Data</span><span style="color:#569CD6;"> struct</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> WbiImg</span><span style="color:#569CD6;"> struct</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> ImgUrl</span><span style="color:#4EC9B0;"> string</span><span style="color:#CE9178;"> \`json:&quot;img_url&quot;\`</span></span>
<span class="line"><span style="color:#9CDCFE;"> SubUrl</span><span style="color:#4EC9B0;"> string</span><span style="color:#CE9178;"> \`json:&quot;sub_url&quot;\`</span></span>
<span class="line"><span style="color:#D4D4D4;"> } </span><span style="color:#CE9178;">\`json:&quot;wbi_img&quot;\`</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // ......</span></span>
<span class="line"><span style="color:#D4D4D4;"> } </span><span style="color:#CE9178;">\`json:&quot;data&quot;\`</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div 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class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="csharp" tabindex="-1"><a class="header-anchor" href="#csharp"><span>CSharp</span></a></h3><p>无需依赖外部库</p><div class="language-cs line-numbers-mode" data-highlighter="shiki" data-ext="cs" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-cs"><span class="line"><span style="color:#C586C0;">using</span><span style="color:#4EC9B0;"> System</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">Security</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">Cryptography</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#C586C0;">using</span><span style="color:#4EC9B0;"> System</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">Text</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#C586C0;">using</span><span style="color:#4EC9B0;"> System</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">Text</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">Json</span><span style="color:#D4D4D4;">.</span><span style="color:#4EC9B0;">Nodes</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">class</span><span style="color:#4EC9B0;"> Program</span></span>
<span class="line"><span style="color:#D4D4D4;">{</span></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> HttpClient</span><span style="color:#9CDCFE;"> _httpClient</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">new</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> static</span><span style="color:#569CD6;"> readonly</span><span style="color:#569CD6;"> int</span><span style="color:#D4D4D4;">[] </span><span style="color:#9CDCFE;">MixinKeyEncTab</span><span style="color:#D4D4D4;"> =</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span></span>
<span class="line"><span style="color:#D4D4D4;"> };</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> //对 imgKey 和 subKey 进行字符顺序打乱编码</span></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> static</span><span style="color:#569CD6;"> string</span><span style="color:#DCDCAA;"> GetMixinKey</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">string</span><span style="color:#9CDCFE;"> orig</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> MixinKeyEncTab</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Aggregate</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;&quot;</span><span style="color:#D4D4D4;">, (</span><span style="color:#9CDCFE;">s</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">) =&gt; </span><span style="color:#9CDCFE;">s</span><span style="color:#D4D4D4;"> + </span><span style="color:#9CDCFE;">orig</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">])[..</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> Dictionary</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">&gt; </span><span style="color:#DCDCAA;">EncWbi</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">Dictionary</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">&gt; </span><span style="color:#9CDCFE;">parameters</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">string</span><span style="color:#9CDCFE;"> imgKey</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#569CD6;"> string</span><span style="color:#9CDCFE;"> subKey</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> string</span><span style="color:#9CDCFE;"> mixinKey</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">GetMixinKey</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">imgKey</span><span style="color:#D4D4D4;"> + </span><span style="color:#9CDCFE;">subKey</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#569CD6;"> string</span><span style="color:#9CDCFE;"> currTime</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">DateTimeOffset</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Now</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">ToUnixTimeSeconds</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">ToString</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#6A9955;"> //添加 wts 字段</span></span>
<span class="line"><span style="color:#9CDCFE;"> parameters</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;wts&quot;</span><span style="color:#D4D4D4;">] = </span><span style="color:#9CDCFE;">currTime</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#6A9955;"> // 按照 key 重排参数</span></span>
<span class="line"><span style="color:#9CDCFE;"> parameters</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">parameters</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">OrderBy</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">p</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#9CDCFE;">p</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Key</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">ToDictionary</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">p</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#9CDCFE;">p</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Key</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">p</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#9CDCFE;">p</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Value</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#6A9955;"> //过滤 value 中的 &quot;!&#39;()*&quot; 字符</span></span>
<span class="line"><span style="color:#9CDCFE;"> parameters</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">parameters</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">ToDictionary</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#9CDCFE;"> kvp</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#9CDCFE;">kvp</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Key</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#9CDCFE;"> kvp</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#569CD6;">new</span><span style="color:#569CD6;"> string</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">kvp</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Value</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Where</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">chr</span><span style="color:#D4D4D4;"> =&gt; !</span><span style="color:#CE9178;">&quot;!&#39;()*&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Contains</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">chr</span><span style="color:#D4D4D4;">)).</span><span style="color:#DCDCAA;">ToArray</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"><span style="color:#D4D4D4;"> );</span></span>
<span class="line"><span style="color:#6A9955;"> // 序列化参数</span></span>
<span class="line"><span style="color:#569CD6;"> string</span><span style="color:#9CDCFE;"> query</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">new</span><span style="color:#4EC9B0;"> FormUrlEncodedContent</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">parameters</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">ReadAsStringAsync</span><span style="color:#D4D4D4;">().</span><span style="color:#9CDCFE;">Result</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#6A9955;"> //计算 w_rid</span></span>
<span class="line"><span style="color:#C586C0;"> using</span><span style="color:#4EC9B0;"> MD5</span><span style="color:#9CDCFE;"> md5</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">MD5</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Create</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#569CD6;"> byte</span><span style="color:#D4D4D4;">[] </span><span style="color:#9CDCFE;">hashBytes</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">md5</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">ComputeHash</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">Encoding</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">UTF8</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">GetBytes</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">query</span><span style="color:#D4D4D4;"> + </span><span style="color:#9CDCFE;">mixinKey</span><span style="color:#D4D4D4;">));</span></span>
<span class="line"><span style="color:#569CD6;"> string</span><span style="color:#9CDCFE;"> wbiSign</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">BitConverter</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">ToString</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">hashBytes</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">Replace</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;-&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;&quot;</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">ToLower</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#9CDCFE;"> parameters</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;w_rid&quot;</span><span style="color:#D4D4D4;">] = </span><span style="color:#9CDCFE;">wbiSign</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> parameters</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // 获取最新的 img_key 和 sub_key</span></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> static</span><span style="color:#569CD6;"> async</span><span style="color:#4EC9B0;"> Task</span><span style="color:#D4D4D4;">&lt;(</span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">)&gt; </span><span style="color:#DCDCAA;">GetWbiKeys</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> var</span><span style="color:#9CDCFE;"> httpClient</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">new</span><span style="color:#4EC9B0;"> HttpClient</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#9CDCFE;"> httpClient</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">DefaultRequestHeaders</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Add</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;User-Agent&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36&quot;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#9CDCFE;"> httpClient</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">DefaultRequestHeaders</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Referrer</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">new</span><span style="color:#4EC9B0;"> Uri</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;https://www.bilibili.com/&quot;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#4EC9B0;"> HttpResponseMessage</span><span style="color:#9CDCFE;"> responseMessage</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">await</span><span style="color:#9CDCFE;"> httpClient</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">SendAsync</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">new</span><span style="color:#4EC9B0;"> HttpRequestMessage</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> Method</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">HttpMethod</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Get</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#9CDCFE;"> RequestUri</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">new</span><span style="color:#4EC9B0;"> Uri</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;https://api.bilibili.com/x/web-interface/nav&quot;</span><span style="color:#D4D4D4;">),</span></span>
<span class="line"><span style="color:#D4D4D4;"> });</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#4EC9B0;"> JsonNode</span><span style="color:#9CDCFE;"> response</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">JsonNode</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Parse</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">await</span><span style="color:#9CDCFE;"> responseMessage</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">Content</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">ReadAsStringAsync</span><span style="color:#D4D4D4;">())!;</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#569CD6;"> string</span><span style="color:#9CDCFE;"> imgUrl</span><span style="color:#D4D4D4;"> = (</span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">)</span><span style="color:#9CDCFE;">response</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;data&quot;</span><span style="color:#D4D4D4;">]![</span><span style="color:#CE9178;">&quot;wbi_img&quot;</span><span style="color:#D4D4D4;">]![</span><span style="color:#CE9178;">&quot;img_url&quot;</span><span style="color:#D4D4D4;">]!;</span></span>
<span class="line"><span style="color:#9CDCFE;"> imgUrl</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">imgUrl</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Split</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;/&quot;</span><span style="color:#D4D4D4;">)[^</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">].</span><span style="color:#DCDCAA;">Split</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;.&quot;</span><span style="color:#D4D4D4;">)[</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#569CD6;"> string</span><span style="color:#9CDCFE;"> subUrl</span><span style="color:#D4D4D4;"> = (</span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">)</span><span style="color:#9CDCFE;">response</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;data&quot;</span><span style="color:#D4D4D4;">]![</span><span style="color:#CE9178;">&quot;wbi_img&quot;</span><span style="color:#D4D4D4;">]![</span><span style="color:#CE9178;">&quot;sub_url&quot;</span><span style="color:#D4D4D4;">]!;</span></span>
<span class="line"><span style="color:#9CDCFE;"> subUrl</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">subUrl</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">Split</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;/&quot;</span><span style="color:#D4D4D4;">)[^</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">].</span><span style="color:#DCDCAA;">Split</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;.&quot;</span><span style="color:#D4D4D4;">)[</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">imgUrl</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">subUrl</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> public</span><span style="color:#569CD6;"> static</span><span style="color:#569CD6;"> async</span><span style="color:#4EC9B0;"> Task</span><span style="color:#DCDCAA;"> Main</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> var</span><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">imgKey</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">subKey</span><span style="color:#D4D4D4;">) = </span><span style="color:#569CD6;">await</span><span style="color:#DCDCAA;"> GetWbiKeys</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"></span>
<span class="line"><span style="color:#4EC9B0;"> Dictionary</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">&gt; </span><span style="color:#9CDCFE;">signedParams</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">EncWbi</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#9CDCFE;"> parameters</span><span style="color:#D4D4D4;">: </span><span style="color:#569CD6;">new</span><span style="color:#4EC9B0;"> Dictionary</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">string</span><span style="color:#D4D4D4;">&gt;</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#D4D4D4;"> { </span><span style="color:#CE9178;">&quot;foo&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;114&quot;</span><span style="color:#D4D4D4;"> },</span></span>
<span class="line"><span style="color:#D4D4D4;"> { </span><span style="color:#CE9178;">&quot;bar&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;514&quot;</span><span style="color:#D4D4D4;"> },</span></span>
<span class="line"><span style="color:#D4D4D4;"> { </span><span style="color:#CE9178;">&quot;baz&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;1919810&quot;</span><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> },</span></span>
<span class="line"><span style="color:#9CDCFE;"> imgKey</span><span style="color:#D4D4D4;">: </span><span style="color:#9CDCFE;">imgKey</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#9CDCFE;"> subKey</span><span style="color:#D4D4D4;">: </span><span style="color:#9CDCFE;">subKey</span></span>
<span class="line"><span style="color:#D4D4D4;"> );</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> string</span><span style="color:#9CDCFE;"> query</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">await</span><span style="color:#569CD6;"> new</span><span style="color:#4EC9B0;"> FormUrlEncodedContent</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">signedParams</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">ReadAsStringAsync</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> Console</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">WriteLine</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">query</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>输出内容为进行 Wbi 签名的后参数的 url query 形式</p><div class="language- line-numbers-mode" data-highlighter="shiki" data-ext="" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-"><span class="line"><span>bar=514&amp;baz=1919810&amp;foo=114&amp;wts=1687541921&amp;w_rid=26e82b1b9b3a11dbb1807a9228a40d3b</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><h3 id="java" tabindex="-1"><a class="header-anchor" href="#java"><span>Java</span></a></h3><div class="language-java line-numbers-mode" data-highlighter="shiki" data-ext="java" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-java"><span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> java.net.URLEncoder;</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> java.nio.charset.StandardCharsets;</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> java.security.MessageDigest;</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> java.security.NoSuchAlgorithmException;</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> java.util.*;</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> java.util.stream.Collectors;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">public</span><span style="color:#569CD6;"> class</span><span style="color:#4EC9B0;"> WbiTest</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> static</span><span style="color:#569CD6;"> final</span><span style="color:#4EC9B0;"> int</span><span style="color:#D4D4D4;">[] </span><span style="color:#9CDCFE;">mixinKeyEncTab</span><span style="color:#D4D4D4;"> = </span><span style="color:#C586C0;">new</span><span style="color:#4EC9B0;"> int</span><span style="color:#D4D4D4;">[]{</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span></span>
<span class="line"><span style="color:#D4D4D4;"> };</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> static</span><span style="color:#569CD6;"> final</span><span style="color:#4EC9B0;"> char</span><span style="color:#D4D4D4;">[] </span><span style="color:#9CDCFE;">hexDigits</span><span style="color:#D4D4D4;"> = </span><span style="color:#CE9178;">&quot;0123456789abcdef&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">toCharArray</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> public</span><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> String</span><span style="color:#DCDCAA;"> md5</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">String</span><span style="color:#9CDCFE;"> input</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#C586C0;"> try</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#4EC9B0;"> MessageDigest</span><span style="color:#9CDCFE;"> md</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">MessageDigest</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">getInstance</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;MD5&quot;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#4EC9B0;"> byte</span><span style="color:#D4D4D4;">[] </span><span style="color:#9CDCFE;">messageDigest</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">md</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">digest</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">input</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">getBytes</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">StandardCharsets</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">UTF_8</span><span style="color:#D4D4D4;">));</span></span>
<span class="line"><span style="color:#4EC9B0;"> char</span><span style="color:#D4D4D4;">[] </span><span style="color:#9CDCFE;">result</span><span style="color:#D4D4D4;"> = </span><span style="color:#C586C0;">new</span><span style="color:#4EC9B0;"> char</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">messageDigest</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">length</span><span style="color:#D4D4D4;"> * </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"><span style="color:#C586C0;"> for</span><span style="color:#D4D4D4;"> (</span><span style="color:#4EC9B0;">int</span><span style="color:#9CDCFE;"> i</span><span style="color:#D4D4D4;"> = </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">; i &lt; </span><span style="color:#9CDCFE;">messageDigest</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">length</span><span style="color:#D4D4D4;">; i++) {</span></span>
<span class="line"><span style="color:#D4D4D4;"> result[i * </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">] = hexDigits[(messageDigest[i] &gt;&gt; </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">) &amp; </span><span style="color:#B5CEA8;">0xF</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"><span style="color:#D4D4D4;"> result[i * </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;"> + </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">] = hexDigits[messageDigest[i] &amp; </span><span style="color:#B5CEA8;">0xF</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#C586C0;"> new</span><span style="color:#DCDCAA;"> String</span><span style="color:#D4D4D4;">(result);</span></span>
<span class="line"><span style="color:#D4D4D4;"> } </span><span style="color:#C586C0;">catch</span><span style="color:#D4D4D4;"> (</span><span style="color:#4EC9B0;">NoSuchAlgorithmException</span><span style="color:#9CDCFE;"> e</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#569CD6;"> null</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> public</span><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> String</span><span style="color:#DCDCAA;"> getMixinKey</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">String</span><span style="color:#9CDCFE;"> imgKey</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#9CDCFE;"> subKey</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#4EC9B0;"> String</span><span style="color:#9CDCFE;"> s</span><span style="color:#D4D4D4;"> = imgKey + subKey;</span></span>
<span class="line"><span style="color:#4EC9B0;"> StringBuilder</span><span style="color:#9CDCFE;"> key</span><span style="color:#D4D4D4;"> = </span><span style="color:#C586C0;">new</span><span style="color:#DCDCAA;"> StringBuilder</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#C586C0;"> for</span><span style="color:#D4D4D4;"> (</span><span style="color:#4EC9B0;">int</span><span style="color:#9CDCFE;"> i</span><span style="color:#D4D4D4;"> = </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">; i &lt; </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">; i++)</span></span>
<span class="line"><span style="color:#9CDCFE;"> key</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">append</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">s</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">charAt</span><span style="color:#D4D4D4;">(mixinKeyEncTab[i]));</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> key</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">toString</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> public</span><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> String</span><span style="color:#DCDCAA;"> encodeURIComponent</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">Object</span><span style="color:#9CDCFE;"> o</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> URLEncoder</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">encode</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">o</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">toString</span><span style="color:#D4D4D4;">(), </span><span style="color:#9CDCFE;">StandardCharsets</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">UTF_8</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">replace</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;+&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;%20&quot;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> public</span><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> void</span><span style="color:#DCDCAA;"> main</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">[] </span><span style="color:#9CDCFE;">args</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#4EC9B0;"> String</span><span style="color:#9CDCFE;"> imgKey</span><span style="color:#D4D4D4;"> = </span><span style="color:#CE9178;">&quot;653657f524a547ac981ded72ea172057&quot;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#4EC9B0;"> String</span><span style="color:#9CDCFE;"> subKey</span><span style="color:#D4D4D4;"> = </span><span style="color:#CE9178;">&quot;6e4909c702f846728e64f6007736a338&quot;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#4EC9B0;"> String</span><span style="color:#9CDCFE;"> mixinKey</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">getMixinKey</span><span style="color:#D4D4D4;">(imgKey, subKey);</span></span>
<span class="line"><span style="color:#9CDCFE;"> System</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">out</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">println</span><span style="color:#D4D4D4;">(mixinKey); </span><span style="color:#6A9955;">// 72136226c6a73669787ee4fd02a74c27</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // 用TreeMap自动排序</span></span>
<span class="line"><span style="color:#4EC9B0;"> TreeMap</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">Object</span><span style="color:#D4D4D4;">&gt; </span><span style="color:#9CDCFE;">map</span><span style="color:#D4D4D4;"> = </span><span style="color:#C586C0;">new</span><span style="color:#4EC9B0;"> TreeMap</span><span style="color:#D4D4D4;">&lt;&gt;();</span></span>
<span class="line"><span style="color:#9CDCFE;"> map</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">put</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;foo&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;one one four&quot;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#9CDCFE;"> map</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">put</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;bar&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;五一四&quot;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#9CDCFE;"> map</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">put</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;baz&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1919810</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#9CDCFE;"> map</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">put</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;wts&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">System</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">currentTimeMillis</span><span style="color:#D4D4D4;">() / </span><span style="color:#B5CEA8;">1000</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#4EC9B0;"> String</span><span style="color:#9CDCFE;"> param</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">map</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">entrySet</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">stream</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">map</span><span style="color:#D4D4D4;">(it </span><span style="color:#569CD6;">-&gt;</span><span style="color:#9CDCFE;"> String</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">format</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;%s=%s&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">it</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">getKey</span><span style="color:#D4D4D4;">(), </span><span style="color:#DCDCAA;">encodeURIComponent</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">it</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">getValue</span><span style="color:#D4D4D4;">())))</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">collect</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">Collectors</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">joining</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;&amp;&quot;</span><span style="color:#D4D4D4;">));</span></span>
<span class="line"><span style="color:#4EC9B0;"> String</span><span style="color:#9CDCFE;"> s</span><span style="color:#D4D4D4;"> = param + mixinKey;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#4EC9B0;"> String</span><span style="color:#9CDCFE;"> wbiSign</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">md5</span><span style="color:#D4D4D4;">(s);</span></span>
<span class="line"><span style="color:#9CDCFE;"> System</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">out</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">println</span><span style="color:#D4D4D4;">(wbiSign);</span></span>
<span class="line"><span style="color:#4EC9B0;"> String</span><span style="color:#9CDCFE;"> finalParam</span><span style="color:#D4D4D4;"> = param + </span><span style="color:#CE9178;">&quot;&amp;w_rid=&quot;</span><span style="color:#D4D4D4;"> + wbiSign;</span></span>
<span class="line"><span style="color:#9CDCFE;"> System</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">out</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">println</span><span style="color:#D4D4D4;">(finalParam);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="kotlin" tabindex="-1"><a class="header-anchor" href="#kotlin"><span>Kotlin</span></a></h3><p>说明: 为了便于使用和缓存, 重新编写为实体类形式, 并拆分了多个文件. 使用官方的JSON序列化. (可以根据需要换成其他的)</p><p>WbiParams.kt</p><div class="language-kotlin line-numbers-mode" data-highlighter="shiki" data-ext="kotlin" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-kotlin"><span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> kotlinx.serialization.Serializable</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> kotlinx.serialization.json.JsonElement</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> kotlinx.serialization.json.JsonObject</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> kotlinx.serialization.json.jsonPrimitive</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">private</span><span style="color:#569CD6;"> fun</span><span style="color:#DCDCAA;"> JsonElement</span><span style="color:#D4D4D4;">?.</span><span style="color:#DCDCAA;">get</span><span style="color:#D4D4D4;">(): </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#DCDCAA;"> check</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">this</span><span style="color:#D4D4D4;"> != </span><span style="color:#569CD6;">null</span><span style="color:#D4D4D4;">) { </span><span style="color:#CE9178;">&quot;No contents found&quot;</span><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#569CD6;"> this</span><span style="color:#D4D4D4;">.jsonPrimitive.content.</span><span style="color:#DCDCAA;">split</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&#39;/&#39;</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">last</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">removeSuffix</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;.png&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">private</span><span style="color:#569CD6;"> val</span><span style="color:#D4D4D4;"> mixinKeyEncTab = </span><span style="color:#DCDCAA;">intArrayOf</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span></span>
<span class="line"><span style="color:#D4D4D4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#4EC9B0;">@Serializable</span></span>
<span class="line"><span style="color:#569CD6;">data</span><span style="color:#569CD6;"> class</span><span style="color:#4EC9B0;"> WbiParams</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#569CD6;"> val</span><span style="color:#D4D4D4;"> imgKey: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#569CD6;"> val</span><span style="color:#D4D4D4;"> subKey: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#6A9955;"> // 此处整合了切分参数(直接传入{img_url:string, sub_url:string}即可), 不需要可以删掉</span></span>
<span class="line"><span style="color:#DCDCAA;"> constructor</span><span style="color:#D4D4D4;">(wbiImg: </span><span style="color:#4EC9B0;">JsonObject</span><span style="color:#D4D4D4;">) : </span><span style="color:#4EC9B0;">this</span><span style="color:#D4D4D4;">(wbiImg[</span><span style="color:#CE9178;">&quot;img_url&quot;</span><span style="color:#D4D4D4;">].</span><span style="color:#DCDCAA;">get</span><span style="color:#D4D4D4;">(), wbiImg[</span><span style="color:#CE9178;">&quot;sub_url&quot;</span><span style="color:#D4D4D4;">].</span><span style="color:#DCDCAA;">get</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> val</span><span style="color:#D4D4D4;"> mixinKey: </span><span style="color:#4EC9B0;">String</span></span>
<span class="line"><span style="color:#569CD6;"> get</span><span style="color:#D4D4D4;">() = (imgKey + subKey).</span><span style="color:#DCDCAA;">let</span><span style="color:#D4D4D4;"> { s </span><span style="color:#569CD6;">-&gt;</span></span>
<span class="line"><span style="color:#DCDCAA;"> buildString</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#DCDCAA;"> repeat</span><span style="color:#D4D4D4;">(</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#DCDCAA;"> append</span><span style="color:#D4D4D4;">(s[mixinKeyEncTab[it]])</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // 创建对象(GET获取或者读缓存, 比如Redis)之后, 直接调用此函数处理</span></span>
<span class="line"><span style="color:#569CD6;"> fun</span><span style="color:#DCDCAA;"> enc</span><span style="color:#D4D4D4;">(params: </span><span style="color:#4EC9B0;">Map</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">Any</span><span style="color:#D4D4D4;">?&gt;): </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> val</span><span style="color:#D4D4D4;"> sorted = params.</span><span style="color:#DCDCAA;">filterValues</span><span style="color:#D4D4D4;"> { it != </span><span style="color:#569CD6;">null</span><span style="color:#D4D4D4;"> }.</span><span style="color:#DCDCAA;">toSortedMap</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#DCDCAA;"> buildString</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#DCDCAA;"> append</span><span style="color:#D4D4D4;">(sorted.</span><span style="color:#DCDCAA;">toQueryString</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"><span style="color:#569CD6;"> val</span><span style="color:#D4D4D4;"> wts = System.</span><span style="color:#DCDCAA;">currentTimeMillis</span><span style="color:#D4D4D4;">() / </span><span style="color:#B5CEA8;">1000</span></span>
<span class="line"><span style="color:#D4D4D4;"> sorted[</span><span style="color:#CE9178;">&quot;wts&quot;</span><span style="color:#D4D4D4;">] = wts</span></span>
<span class="line"><span style="color:#DCDCAA;"> append</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;&amp;wts=&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#DCDCAA;"> append</span><span style="color:#D4D4D4;">(wts)</span></span>
<span class="line"><span style="color:#DCDCAA;"> append</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;&amp;w_rid=&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#DCDCAA;"> append</span><span style="color:#D4D4D4;">((sorted.</span><span style="color:#DCDCAA;">toQueryString</span><span style="color:#D4D4D4;">() + mixinKey).</span><span style="color:#DCDCAA;">toMD5</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>Extensions.kt</p><div class="language-kotlin line-numbers-mode" data-highlighter="shiki" data-ext="kotlin" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-kotlin"><span class="line"><span style="color:#569CD6;">import</span><span style="color:#D4D4D4;"> java.security.MessageDigest</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">private</span><span style="color:#569CD6;"> val</span><span style="color:#D4D4D4;"> hexDigits = </span><span style="color:#CE9178;">&quot;0123456789abcdef&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">toCharArray</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">fun</span><span style="color:#4EC9B0;"> ByteArray</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">toHexString</span><span style="color:#D4D4D4;">() = </span><span style="color:#DCDCAA;">buildString</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">this</span><span style="color:#D4D4D4;">.size shl </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#569CD6;"> this@toHexString</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">forEach</span><span style="color:#D4D4D4;"> { byte </span><span style="color:#569CD6;">-&gt;</span></span>
<span class="line"><span style="color:#DCDCAA;"> append</span><span style="color:#D4D4D4;">(hexDigits[byte.</span><span style="color:#DCDCAA;">toInt</span><span style="color:#D4D4D4;">() ushr </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;"> and </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">])</span></span>
<span class="line"><span style="color:#DCDCAA;"> append</span><span style="color:#D4D4D4;">(hexDigits[byte.</span><span style="color:#DCDCAA;">toInt</span><span style="color:#D4D4D4;">() and </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">])</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">fun</span><span style="color:#4EC9B0;"> String</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">toMD5</span><span style="color:#D4D4D4;">(): </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> val</span><span style="color:#D4D4D4;"> md = MessageDigest.</span><span style="color:#DCDCAA;">getInstance</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;MD5&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#569CD6;"> val</span><span style="color:#D4D4D4;"> digest = md.</span><span style="color:#DCDCAA;">digest</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">this</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">toByteArray</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> digest.</span><span style="color:#DCDCAA;">toHexString</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">fun</span><span style="color:#DCDCAA;"> Map</span><span style="color:#D4D4D4;">&lt;String, Any?&gt;.</span><span style="color:#DCDCAA;">toQueryString</span><span style="color:#D4D4D4;">() = </span><span style="color:#569CD6;">this</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">filterValues</span><span style="color:#D4D4D4;"> { it != </span><span style="color:#569CD6;">null</span><span style="color:#D4D4D4;"> }.entries.</span><span style="color:#DCDCAA;">joinToString</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;&amp;&quot;</span><span style="color:#D4D4D4;">) { (k, v) </span><span style="color:#569CD6;">-&gt;</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;</span><span style="color:#569CD6;">\${</span><span style="color:#D4D4D4;">k.</span><span style="color:#DCDCAA;">encodeURIComponent</span><span style="color:#D4D4D4;">()</span><span style="color:#569CD6;">}</span><span style="color:#CE9178;">=</span><span style="color:#569CD6;">\${</span><span style="color:#D4D4D4;">v!!.</span><span style="color:#DCDCAA;">encodeURIComponent</span><span style="color:#D4D4D4;">()</span><span style="color:#569CD6;">}</span><span style="color:#CE9178;">&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>获取和使用案例略</p><h3 id="php" tabindex="-1"><a class="header-anchor" href="#php"><span>PHP</span></a></h3><p>来自<a href="https://github.com/SocialSisterYi/bilibili-API-collect/issues/813" target="_blank" rel="noopener noreferrer">SocialSisterYi/bilibili-API-collect#813</a></p><div class="language-php line-numbers-mode" data-highlighter="shiki" data-ext="php" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-php"><span class="line"><span style="color:#D4D4D4;">&lt;?php</span></span>
<span class="line"><span style="color:#6A9955;">/**</span></span>
<span class="line"><span style="color:#6A9955;"> * B站 Wbi 测试</span></span>
<span class="line"><span style="color:#6A9955;"> * </span><span style="color:#569CD6;">@author</span><span style="color:#6A9955;"> Prk</span></span>
<span class="line"><span style="color:#6A9955;"> */</span></span>
<span class="line"></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">class</span><span style="color:#4EC9B0;"> Bilibili</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#9CDCFE;"> $mixinKeyEncTab</span><span style="color:#D4D4D4;"> = [</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span></span>
<span class="line"><span style="color:#D4D4D4;"> ];</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> function</span><span style="color:#DCDCAA;"> __construct</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> public</span><span style="color:#569CD6;"> function</span><span style="color:#DCDCAA;"> reQuery</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">array</span><span style="color:#9CDCFE;"> $query</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#9CDCFE;"> $wbi_keys</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">$this</span><span style="color:#D4D4D4;">-&gt;</span><span style="color:#DCDCAA;">getWbiKeys</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#569CD6;"> $this</span><span style="color:#D4D4D4;">-&gt;</span><span style="color:#DCDCAA;">encWbi</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$query</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$wbi_keys</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&#39;img_key&#39;</span><span style="color:#D4D4D4;">], </span><span style="color:#9CDCFE;">$wbi_keys</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&#39;sub_key&#39;</span><span style="color:#D4D4D4;">]);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> function</span><span style="color:#DCDCAA;"> getMixinKey</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$orig</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#9CDCFE;"> $t</span><span style="color:#D4D4D4;"> = </span><span style="color:#CE9178;">&#39;&#39;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#C586C0;"> foreach</span><span style="color:#D4D4D4;"> (</span><span style="color:#569CD6;">$this</span><span style="color:#D4D4D4;">-&gt;</span><span style="color:#9CDCFE;">mixinKeyEncTab</span><span style="color:#D4D4D4;"> as </span><span style="color:#9CDCFE;">$n</span><span style="color:#D4D4D4;">) </span><span style="color:#9CDCFE;">$t</span><span style="color:#D4D4D4;"> .=</span><span style="color:#9CDCFE;"> $orig</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">$n</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#DCDCAA;"> substr</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$t</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> function</span><span style="color:#DCDCAA;"> encWbi</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$params</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$img_key</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$sub_key</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#9CDCFE;"> $mixin_key</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">$this</span><span style="color:#D4D4D4;">-&gt;</span><span style="color:#DCDCAA;">getMixinKey</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$img_key</span><span style="color:#D4D4D4;"> .</span><span style="color:#9CDCFE;"> $sub_key</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#9CDCFE;"> $curr_time</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">time</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#9CDCFE;"> $chr_filter</span><span style="color:#D4D4D4;"> = </span><span style="color:#D16969;">&quot;/[!&#39;()*]/&quot;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> $query</span><span style="color:#D4D4D4;"> = [];</span></span>
<span class="line"><span style="color:#9CDCFE;"> $params</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&#39;wts&#39;</span><span style="color:#D4D4D4;">] = </span><span style="color:#9CDCFE;">$curr_time</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#DCDCAA;"> ksort</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$params</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"></span>
<span class="line"><span style="color:#C586C0;"> foreach</span><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">$params</span><span style="color:#D4D4D4;"> as </span><span style="color:#9CDCFE;">$key</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#9CDCFE;">$value</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#9CDCFE;"> $value</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">preg_replace</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$chr_filter</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&#39;&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$value</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#9CDCFE;"> $query</span><span style="color:#D4D4D4;">[] = </span><span style="color:#DCDCAA;">urlencode</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$key</span><span style="color:#D4D4D4;">) </span><span style="color:#D4D4D4;">.</span><span style="color:#CE9178;"> &#39;=&#39;</span><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;"> urlencode</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$value</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> $query</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">implode</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&#39;&amp;&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$query</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#9CDCFE;"> $wbi_sign</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">md5</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$query</span><span style="color:#D4D4D4;"> .</span><span style="color:#9CDCFE;"> $mixin_key</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> $query</span><span style="color:#D4D4D4;"> .</span><span style="color:#CE9178;"> &#39;&amp;w_rid=&#39;</span><span style="color:#D4D4D4;"> .</span><span style="color:#9CDCFE;"> $wbi_sign</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> function</span><span style="color:#DCDCAA;"> getWbiKeys</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#9CDCFE;"> $resp</span><span style="color:#D4D4D4;"> = @</span><span style="color:#DCDCAA;">json_decode</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#569CD6;"> $this</span><span style="color:#D4D4D4;">-&gt;</span><span style="color:#DCDCAA;">curl_get</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;https://api.bilibili.com/x/web-interface/nav&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#569CD6;"> null</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;https://www.bilibili.com/&#39;</span></span>
<span class="line"><span style="color:#D4D4D4;"> ), </span><span style="color:#569CD6;">true</span></span>
<span class="line"><span style="color:#D4D4D4;"> );</span></span>
<span class="line"></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#D4D4D4;"> (!</span><span style="color:#9CDCFE;">$resp</span><span style="color:#D4D4D4;">) </span><span style="color:#C586C0;">throw</span><span style="color:#569CD6;"> new</span><span style="color:#4EC9B0;"> Exception</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&#39;请求失败&#39;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> $img_url</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">$resp</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&#39;data&#39;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&#39;wbi_img&#39;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&#39;img_url&#39;</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"><span style="color:#9CDCFE;"> $sub_url</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">$resp</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&#39;data&#39;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&#39;wbi_img&#39;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&#39;sub_url&#39;</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> [</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;img_key&#39;</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#DCDCAA;">substr</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">basename</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$img_url</span><span style="color:#D4D4D4;">), </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">strpos</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">basename</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$img_url</span><span style="color:#D4D4D4;">), </span><span style="color:#CE9178;">&#39;.&#39;</span><span style="color:#D4D4D4;">)),</span></span>
<span class="line"><span style="color:#CE9178;"> &#39;sub_key&#39;</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#DCDCAA;">substr</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">basename</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$sub_url</span><span style="color:#D4D4D4;">), </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">strpos</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">basename</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$sub_url</span><span style="color:#D4D4D4;">), </span><span style="color:#CE9178;">&#39;.&#39;</span><span style="color:#D4D4D4;">))</span></span>
<span class="line"><span style="color:#D4D4D4;"> ];</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> private</span><span style="color:#569CD6;"> function</span><span style="color:#DCDCAA;"> curl_get</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$url</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$cookies</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">null</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$referer</span><span style="color:#D4D4D4;"> = </span><span style="color:#CE9178;">&#39;https://www.bilibili.com/&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$ua</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">null</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$proxy</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">null</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">$header</span><span style="color:#D4D4D4;"> = []) {</span></span>
<span class="line"><span style="color:#9CDCFE;"> $ch</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">curl_init</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#9CDCFE;"> $header</span><span style="color:#D4D4D4;">[] = </span><span style="color:#CE9178;">&quot;Accept: */*&quot;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#9CDCFE;"> $header</span><span style="color:#D4D4D4;">[] = </span><span style="color:#CE9178;">&quot;Accept-Language: en-US,en;q=0.9,zh-CN;q=0.8,zh;q=0.7&quot;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#9CDCFE;"> $header</span><span style="color:#D4D4D4;">[] = </span><span style="color:#CE9178;">&quot;Connection: close&quot;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#9CDCFE;"> $header</span><span style="color:#D4D4D4;">[]=</span><span style="color:#CE9178;">&quot;Referer:https://www.bilibili.com/&quot;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#9CDCFE;"> $header</span><span style="color:#D4D4D4;">[] = </span><span style="color:#CE9178;">&quot;Cache-Control: max-age=0&quot;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#DCDCAA;"> curl_setopt_array</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$ch</span><span style="color:#D4D4D4;">, [</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_HTTPGET =&gt; </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_CUSTOMREQUEST =&gt; </span><span style="color:#CE9178;">&#39;GET&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_RETURNTRANSFER =&gt; </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_HTTPHEADER =&gt; </span><span style="color:#9CDCFE;">$header</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_ENCODING =&gt; </span><span style="color:#CE9178;">&#39;&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_URL =&gt; </span><span style="color:#9CDCFE;">$url</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_USERAGENT =&gt; </span><span style="color:#CE9178;">&#39;Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.63 Safari/537.36 Edg/102.0.1245.39&#39;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_TIMEOUT =&gt; </span><span style="color:#B5CEA8;">15</span></span>
<span class="line"><span style="color:#D4D4D4;"> ]);</span></span>
<span class="line"></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">$cookies</span><span style="color:#D4D4D4;">) </span><span style="color:#DCDCAA;">curl_setopt</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#9CDCFE;"> $ch</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_COOKIE,</span></span>
<span class="line"><span style="color:#9CDCFE;"> $cookies</span></span>
<span class="line"><span style="color:#D4D4D4;"> );</span></span>
<span class="line"></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">$referer</span><span style="color:#D4D4D4;">) </span><span style="color:#DCDCAA;">curl_setopt_array</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$ch</span><span style="color:#D4D4D4;">, [</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_AUTOREFERER =&gt; </span><span style="color:#9CDCFE;">$referer</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> CURLOPT_REFERER =&gt; </span><span style="color:#9CDCFE;">$referer</span></span>
<span class="line"><span style="color:#D4D4D4;"> ]);</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;"> $content</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">curl_exec</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$ch</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#DCDCAA;"> curl_close</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">$ch</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> $content</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#9CDCFE;">$c</span><span style="color:#D4D4D4;"> = </span><span style="color:#569CD6;">new</span><span style="color:#4EC9B0;"> Bilibili</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#DCDCAA;">echo</span><span style="color:#9CDCFE;"> $c</span><span style="color:#D4D4D4;">-&gt;</span><span style="color:#DCDCAA;">reQuery</span><span style="color:#D4D4D4;">([</span><span style="color:#CE9178;">&#39;foo&#39;</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#CE9178;">&#39;114&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&#39;bar&#39;</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#CE9178;">&#39;514&#39;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&#39;baz&#39;</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#B5CEA8;">1919810</span><span style="color:#D4D4D4;">]);</span></span>
<span class="line"><span style="color:#6A9955;">// bar=514&amp;baz=1919810&amp;foo=114&amp;wts=1700384803&amp;w_rid=4614cb98d60a43e50c3a3033fe3d116b</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="rust" tabindex="-1"><a class="header-anchor" href="#rust"><span>Rust</span></a></h3><p>需要 serde、serde_json、reqwest、tokio 以及 md5</p><div class="language-rust line-numbers-mode" data-highlighter="shiki" data-ext="rust" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-rust"><span class="line"><span style="color:#569CD6;">use</span><span style="color:#4EC9B0;"> reqwest</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">header</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">USER_AGENT</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#569CD6;">use</span><span style="color:#4EC9B0;"> serde</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">Deserialize</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#569CD6;">use</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">time</span><span style="color:#D4D4D4;">::{</span><span style="color:#4EC9B0;">SystemTime</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">UNIX_EPOCH</span><span style="color:#D4D4D4;">};</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">const</span><span style="color:#D4D4D4;"> MIXIN_KEY_ENC_TAB: [</span><span style="color:#4EC9B0;">usize</span><span style="color:#D4D4D4;">; </span><span style="color:#B5CEA8;">64</span><span style="color:#D4D4D4;">] = [</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;">];</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;">#[derive(</span><span style="color:#4EC9B0;">Deserialize</span><span style="color:#D4D4D4;">)]</span></span>
<span class="line"><span style="color:#569CD6;">struct</span><span style="color:#4EC9B0;"> WbiImg</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> img_url</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#9CDCFE;"> sub_url</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;">#[derive(</span><span style="color:#4EC9B0;">Deserialize</span><span style="color:#D4D4D4;">)]</span></span>
<span class="line"><span style="color:#569CD6;">struct</span><span style="color:#4EC9B0;"> Data</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> wbi_img</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">WbiImg</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;">#[derive(</span><span style="color:#4EC9B0;">Deserialize</span><span style="color:#D4D4D4;">)]</span></span>
<span class="line"><span style="color:#569CD6;">struct</span><span style="color:#4EC9B0;"> ResWbi</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> data</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">Data</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">// 对 imgKey 和 subKey 进行字符顺序打乱编码</span></span>
<span class="line"><span style="color:#569CD6;">fn</span><span style="color:#DCDCAA;"> get_mixin_key</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">orig</span><span style="color:#D4D4D4;">: &amp;[</span><span style="color:#4EC9B0;">u8</span><span style="color:#D4D4D4;">]) -&gt; </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#D4D4D4;"> MIXIN_KEY_ENC_TAB</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">iter</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">take</span><span style="color:#D4D4D4;">(</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">map</span><span style="color:#D4D4D4;">(|&amp;</span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">| </span><span style="color:#9CDCFE;">orig</span><span style="color:#D4D4D4;">[</span><span style="color:#9CDCFE;">i</span><span style="color:#D4D4D4;">] </span><span style="color:#569CD6;">as</span><span style="color:#4EC9B0;"> char</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">collect</span><span style="color:#D4D4D4;">::&lt;</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">&gt;()</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">fn</span><span style="color:#DCDCAA;"> get_url_encoded</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">s</span><span style="color:#D4D4D4;">: &amp;</span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;">) -&gt; </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#9CDCFE;"> s</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">chars</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">filter_map</span><span style="color:#D4D4D4;">(|</span><span style="color:#9CDCFE;">c</span><span style="color:#D4D4D4;">| </span><span style="color:#C586C0;">match</span><span style="color:#9CDCFE;"> c</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">is_ascii_alphanumeric</span><span style="color:#D4D4D4;">() || </span><span style="color:#CE9178;">&quot;-_.~&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">contains</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">c</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#569CD6;"> true</span><span style="color:#D4D4D4;"> =&gt; </span><span style="color:#4EC9B0;">Some</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">c</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">()),</span></span>
<span class="line"><span style="color:#569CD6;"> false</span><span style="color:#D4D4D4;"> =&gt; {</span></span>
<span class="line"><span style="color:#6A9955;"> // 过滤 value 中的 &quot;!&#39;()*&quot; 字符</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#CE9178;"> &quot;!&#39;()*&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">contains</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">c</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#4EC9B0;"> None</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> encoded</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">c</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">encode_utf8</span><span style="color:#D4D4D4;">(&amp;</span><span style="color:#569CD6;">mut</span><span style="color:#D4D4D4;"> [</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">; </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">])</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">bytes</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">fold</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">(), |</span><span style="color:#9CDCFE;">acc</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">b</span><span style="color:#D4D4D4;">| </span><span style="color:#9CDCFE;">acc</span><span style="color:#D4D4D4;"> + &amp;</span><span style="color:#DCDCAA;">format!</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;%{:02X}&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">b</span><span style="color:#D4D4D4;">));</span></span>
<span class="line"><span style="color:#4EC9B0;"> Some</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">encoded</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> })</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">collect</span><span style="color:#D4D4D4;">::&lt;</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">&gt;()</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">// 为请求参数进行 wbi 签名</span></span>
<span class="line"><span style="color:#569CD6;">fn</span><span style="color:#DCDCAA;"> encode_wbi</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">params</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">Vec</span><span style="color:#D4D4D4;">&lt;(&amp;</span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">)&gt;, (</span><span style="color:#9CDCFE;">img_key</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">sub_key</span><span style="color:#D4D4D4;">): (</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">)) -&gt; </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> cur_time</span><span style="color:#D4D4D4;"> = </span><span style="color:#C586C0;">match</span><span style="color:#4EC9B0;"> SystemTime</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">now</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">duration_since</span><span style="color:#D4D4D4;">(UNIX_EPOCH) {</span></span>
<span class="line"><span style="color:#4EC9B0;"> Ok</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">t</span><span style="color:#D4D4D4;">) =&gt; </span><span style="color:#9CDCFE;">t</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">as_secs</span><span style="color:#D4D4D4;">(),</span></span>
<span class="line"><span style="color:#4EC9B0;"> Err</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">_</span><span style="color:#D4D4D4;">) =&gt; </span><span style="color:#DCDCAA;">panic!</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;SystemTime before UNIX EPOCH!&quot;</span><span style="color:#D4D4D4;">),</span></span>
<span class="line"><span style="color:#D4D4D4;"> };</span></span>
<span class="line"><span style="color:#DCDCAA;"> _encode_wbi</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">params</span><span style="color:#D4D4D4;">, (</span><span style="color:#9CDCFE;">img_key</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">sub_key</span><span style="color:#D4D4D4;">), </span><span style="color:#9CDCFE;">cur_time</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">fn</span><span style="color:#DCDCAA;"> _encode_wbi</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#569CD6;"> mut</span><span style="color:#9CDCFE;"> params</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">Vec</span><span style="color:#D4D4D4;">&lt;(&amp;</span><span style="color:#4EC9B0;">str</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">)&gt;,</span></span>
<span class="line"><span style="color:#D4D4D4;"> (</span><span style="color:#9CDCFE;">img_key</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">sub_key</span><span style="color:#D4D4D4;">): (</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">),</span></span>
<span class="line"><span style="color:#9CDCFE;"> timestamp</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">u64</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;">) -&gt; </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> mixin_key</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">get_mixin_key</span><span style="color:#D4D4D4;">((</span><span style="color:#9CDCFE;">img_key</span><span style="color:#D4D4D4;"> + &amp;</span><span style="color:#9CDCFE;">sub_key</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">as_bytes</span><span style="color:#D4D4D4;">());</span></span>
<span class="line"><span style="color:#6A9955;"> // 添加当前时间戳</span></span>
<span class="line"><span style="color:#9CDCFE;"> params</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push</span><span style="color:#D4D4D4;">((</span><span style="color:#CE9178;">&quot;wts&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">timestamp</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">()));</span></span>
<span class="line"><span style="color:#6A9955;"> // 重新排序</span></span>
<span class="line"><span style="color:#9CDCFE;"> params</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">sort_by</span><span style="color:#D4D4D4;">(|</span><span style="color:#9CDCFE;">a</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">b</span><span style="color:#D4D4D4;">| </span><span style="color:#9CDCFE;">a</span><span style="color:#D4D4D4;">.</span><span style="color:#B5CEA8;">0.</span><span style="color:#DCDCAA;">cmp</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">b</span><span style="color:#D4D4D4;">.</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">));</span></span>
<span class="line"><span style="color:#6A9955;"> // 拼接参数</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> query</span><span style="color:#D4D4D4;"> = </span><span style="color:#9CDCFE;">params</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">iter</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">map</span><span style="color:#D4D4D4;">(|(</span><span style="color:#9CDCFE;">k</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">v</span><span style="color:#D4D4D4;">)| </span><span style="color:#DCDCAA;">format!</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;{}={}&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">get_url_encoded</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">k</span><span style="color:#D4D4D4;">), </span><span style="color:#DCDCAA;">get_url_encoded</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">v</span><span style="color:#D4D4D4;">)))</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">collect</span><span style="color:#D4D4D4;">::&lt;</span><span style="color:#4EC9B0;">Vec</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#9CDCFE;">_</span><span style="color:#D4D4D4;">&gt;&gt;()</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">join</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;&amp;&quot;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#6A9955;"> // 计算签名</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> web_sign</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">format!</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;{:?}&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">md5</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">compute</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">query</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">clone</span><span style="color:#D4D4D4;">() + &amp;</span><span style="color:#9CDCFE;">mixin_key</span><span style="color:#D4D4D4;">));</span></span>
<span class="line"><span style="color:#6A9955;"> // 返回最终的 query</span></span>
<span class="line"><span style="color:#9CDCFE;"> query</span><span style="color:#D4D4D4;"> + &amp;</span><span style="color:#DCDCAA;">format!</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;&amp;w_rid={}&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">web_sign</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">async</span><span style="color:#569CD6;"> fn</span><span style="color:#DCDCAA;"> get_wbi_keys</span><span style="color:#D4D4D4;">() -&gt; </span><span style="color:#4EC9B0;">Result</span><span style="color:#D4D4D4;">&lt;(</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">), </span><span style="color:#9CDCFE;">reqwest</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">Error</span><span style="color:#D4D4D4;">&gt; {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> client</span><span style="color:#D4D4D4;"> = </span><span style="color:#4EC9B0;">reqwest</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">Client</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">new</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#4EC9B0;"> ResWbi</span><span style="color:#D4D4D4;"> { </span><span style="color:#9CDCFE;">data</span><span style="color:#D4D4D4;">:</span><span style="color:#4EC9B0;">Data</span><span style="color:#D4D4D4;">{</span><span style="color:#9CDCFE;">wbi_img</span><span style="color:#D4D4D4;">} } = </span><span style="color:#9CDCFE;">client</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">get</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;https://api.bilibili.com/x/web-interface/nav&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">header</span><span style="color:#D4D4D4;">(USER_AGENT,</span><span style="color:#CE9178;">&quot;Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">header</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;Referer&quot;</span><span style="color:#D4D4D4;">,</span><span style="color:#CE9178;">&quot;https://www.bilibili.com/&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#6A9955;"> // SESSDATA=xxxxx</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">header</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;Cookie&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;SESSDATA=xxxxx&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">send</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#C586C0;">await</span><span style="color:#D4D4D4;">?</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">json</span><span style="color:#D4D4D4;">::&lt;</span><span style="color:#4EC9B0;">ResWbi</span><span style="color:#D4D4D4;">&gt;()</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#C586C0;">await</span><span style="color:#D4D4D4;">?;</span></span>
<span class="line"><span style="color:#4EC9B0;"> Ok</span><span style="color:#D4D4D4;">((</span></span>
<span class="line"><span style="color:#DCDCAA;"> take_filename</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">wbi_img</span><span style="color:#D4D4D4;">.img_url).</span><span style="color:#DCDCAA;">unwrap</span><span style="color:#D4D4D4;">(),</span></span>
<span class="line"><span style="color:#DCDCAA;"> take_filename</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">wbi_img</span><span style="color:#D4D4D4;">.sub_url).</span><span style="color:#DCDCAA;">unwrap</span><span style="color:#D4D4D4;">(),</span></span>
<span class="line"><span style="color:#D4D4D4;"> ))</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">fn</span><span style="color:#DCDCAA;"> take_filename</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">url</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">) -&gt; </span><span style="color:#4EC9B0;">Option</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">&gt; {</span></span>
<span class="line"><span style="color:#9CDCFE;"> url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">rsplit_once</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&#39;/&#39;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">and_then</span><span style="color:#D4D4D4;">(|(</span><span style="color:#9CDCFE;">_</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">s</span><span style="color:#D4D4D4;">)| </span><span style="color:#9CDCFE;">s</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">rsplit_once</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&#39;.&#39;</span><span style="color:#D4D4D4;">))</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">map</span><span style="color:#D4D4D4;">(|(</span><span style="color:#9CDCFE;">s</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">_</span><span style="color:#D4D4D4;">)| </span><span style="color:#9CDCFE;">s</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;">#[tokio::main]</span></span>
<span class="line"><span style="color:#569CD6;">async</span><span style="color:#569CD6;"> fn</span><span style="color:#DCDCAA;"> main</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> keys</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">get_wbi_keys</span><span style="color:#D4D4D4;">().</span><span style="color:#C586C0;">await</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">unwrap</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> params</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">vec!</span><span style="color:#D4D4D4;">[</span></span>
<span class="line"><span style="color:#D4D4D4;"> (</span><span style="color:#CE9178;">&quot;foo&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">from</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;114&quot;</span><span style="color:#D4D4D4;">)),</span></span>
<span class="line"><span style="color:#D4D4D4;"> (</span><span style="color:#CE9178;">&quot;bar&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">from</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;514&quot;</span><span style="color:#D4D4D4;">)),</span></span>
<span class="line"><span style="color:#D4D4D4;"> (</span><span style="color:#CE9178;">&quot;baz&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">from</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;1919810&quot;</span><span style="color:#D4D4D4;">)),</span></span>
<span class="line"><span style="color:#D4D4D4;"> ];</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> query</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">encode_wbi</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">params</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">keys</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#DCDCAA;"> println!</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;{}&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">query</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">// 取自文档描述的测试用例</span></span>
<span class="line"><span style="color:#D4D4D4;">#[cfg(test)]</span></span>
<span class="line"><span style="color:#569CD6;">mod</span><span style="color:#D4D4D4;"> tests {</span></span>
<span class="line"><span style="color:#569CD6;"> use</span><span style="color:#569CD6;"> super</span><span style="color:#D4D4D4;">::*;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;"> #[test]</span></span>
<span class="line"><span style="color:#569CD6;"> fn</span><span style="color:#DCDCAA;"> test_get_filename</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#DCDCAA;"> assert_eq!</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#DCDCAA;"> take_filename</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;https://i0.hdslb.com/bfs/wbi/7cd084941338484aae1ad9425b84077c.png&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> ),</span></span>
<span class="line"><span style="color:#4EC9B0;"> Some</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;7cd084941338484aae1ad9425b84077c&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">())</span></span>
<span class="line"><span style="color:#D4D4D4;"> );</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;"> #[test]</span></span>
<span class="line"><span style="color:#569CD6;"> fn</span><span style="color:#DCDCAA;"> test_get_mixin_key</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> concat_key</span><span style="color:#D4D4D4;"> =</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;7cd084941338484aae1ad9425b84077c&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">() + </span><span style="color:#CE9178;">&quot;4932caff0ff746eab6f01bf08b70ac45&quot;</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#DCDCAA;"> assert_eq!</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#DCDCAA;"> get_mixin_key</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">concat_key</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">as_bytes</span><span style="color:#D4D4D4;">()),</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;ea1db124af3c7062474693fa704f4ff8&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;"> );</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;"> #[test]</span></span>
<span class="line"><span style="color:#569CD6;"> fn</span><span style="color:#DCDCAA;"> test_encode_wbi</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#9CDCFE;"> params</span><span style="color:#D4D4D4;"> = </span><span style="color:#DCDCAA;">vec!</span><span style="color:#D4D4D4;">[</span></span>
<span class="line"><span style="color:#D4D4D4;"> (</span><span style="color:#CE9178;">&quot;foo&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">from</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;114&quot;</span><span style="color:#D4D4D4;">)),</span></span>
<span class="line"><span style="color:#D4D4D4;"> (</span><span style="color:#CE9178;">&quot;bar&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">from</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;514&quot;</span><span style="color:#D4D4D4;">)),</span></span>
<span class="line"><span style="color:#D4D4D4;"> (</span><span style="color:#CE9178;">&quot;zab&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">from</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;1919810&quot;</span><span style="color:#D4D4D4;">)),</span></span>
<span class="line"><span style="color:#D4D4D4;"> ];</span></span>
<span class="line"><span style="color:#DCDCAA;"> assert_eq!</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#DCDCAA;"> _encode_wbi</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#9CDCFE;"> params</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#D4D4D4;"> (</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;7cd084941338484aae1ad9425b84077c&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">(),</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;4932caff0ff746eab6f01bf08b70ac45&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> ),</span></span>
<span class="line"><span style="color:#B5CEA8;"> 1702204169</span></span>
<span class="line"><span style="color:#D4D4D4;"> ),</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;bar=514&amp;foo=114&amp;wts=1702204169&amp;zab=1919810&amp;w_rid=8f6f2b5b3d485fe1886cec6a0be8c5d4&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> )</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div 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class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="swift" tabindex="-1"><a class="header-anchor" href="#swift"><span>Swift</span></a></h3><p>需要 <a href="https://github.com/Alamofire/Alamofire" target="_blank" rel="noopener noreferrer">Alamofire</a> 和 <a href="https://github.com/SwiftyJSON/SwiftyJSON" target="_blank" rel="noopener noreferrer">SwiftyJSON</a> 库</p><div class="language-swift line-numbers-mode" data-highlighter="shiki" data-ext="swift" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-swift"><span class="line"><span style="color:#C586C0;">import</span><span style="color:#4EC9B0;"> Alamofire</span></span>
<span class="line"><span style="color:#C586C0;">import</span><span style="color:#4EC9B0;"> CommonCrypto</span></span>
<span class="line"><span style="color:#C586C0;">import</span><span style="color:#4EC9B0;"> Foundation</span></span>
<span class="line"><span style="color:#C586C0;">import</span><span style="color:#4EC9B0;"> SwiftyJSON</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">func</span><span style="color:#DCDCAA;"> biliWbiSign</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">param</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">completion</span><span style="color:#D4D4D4;">: </span><span style="color:#569CD6;">@escaping</span><span style="color:#D4D4D4;"> (</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">?) -&gt; </span><span style="color:#4EC9B0;">Void</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#569CD6;"> func</span><span style="color:#DCDCAA;"> getMixinKey</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">orig</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">) -&gt; </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#4EC9B0;"> String</span><span style="color:#D4D4D4;">(mixinKeyEncTab.</span><span style="color:#DCDCAA;">map</span><span style="color:#D4D4D4;"> { orig[orig.</span><span style="color:#DCDCAA;">index</span><span style="color:#D4D4D4;">(orig.</span><span style="color:#9CDCFE;">startIndex</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">offsetBy</span><span style="color:#D4D4D4;">: </span><span style="color:#569CD6;">$0</span><span style="color:#D4D4D4;">)] }.</span><span style="color:#DCDCAA;">prefix</span><span style="color:#D4D4D4;">(</span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">))</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#569CD6;"> func</span><span style="color:#DCDCAA;"> encWbi</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">params</span><span style="color:#D4D4D4;">: [</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">Any</span><span style="color:#D4D4D4;">], </span><span style="color:#DCDCAA;">imgKey</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">subKey</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">) -&gt; [</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">Any</span><span style="color:#D4D4D4;">] {</span></span>
<span class="line"><span style="color:#569CD6;"> var</span><span style="color:#D4D4D4;"> params = params</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> mixinKey = </span><span style="color:#DCDCAA;">getMixinKey</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">orig</span><span style="color:#D4D4D4;">: imgKey + subKey)</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> currTime = </span><span style="color:#4EC9B0;">Int</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">Date</span><span style="color:#D4D4D4;">().</span><span style="color:#9CDCFE;">timeIntervalSince1970</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> params[</span><span style="color:#CE9178;">&quot;wts&quot;</span><span style="color:#D4D4D4;">] = currTime</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> query = params.</span><span style="color:#DCDCAA;">sorted</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> $0</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">key</span><span style="color:#D4D4D4;"> &lt; </span><span style="color:#569CD6;">$1</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">key</span></span>
<span class="line"><span style="color:#D4D4D4;"> }.</span><span style="color:#DCDCAA;">map</span><span style="color:#D4D4D4;"> { (key, value) -&gt; </span><span style="color:#4EC9B0;">String</span><span style="color:#C586C0;"> in</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> stringValue: </span><span style="color:#4EC9B0;">String</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> doubleValue = value as? </span><span style="color:#4EC9B0;">Double</span><span style="color:#D4D4D4;">, doubleValue.</span><span style="color:#DCDCAA;">truncatingRemainder</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">dividingBy</span><span style="color:#D4D4D4;">: </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">) == </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#D4D4D4;"> stringValue = </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">Int</span><span style="color:#D4D4D4;">(doubleValue))</span></span>
<span class="line"><span style="color:#D4D4D4;"> } </span><span style="color:#C586C0;">else</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#D4D4D4;"> stringValue = </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">describing</span><span style="color:#D4D4D4;">: value)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> filteredValue = stringValue.</span><span style="color:#DCDCAA;">filter</span><span style="color:#D4D4D4;"> { !</span><span style="color:#CE9178;">&quot;!&#39;()*&quot;</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">contains</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">$0</span><span style="color:#D4D4D4;">) }</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#CE9178;"> &quot;</span><span style="color:#569CD6;">\\(</span><span style="color:#D4D4D4;">key</span><span style="color:#569CD6;">)</span><span style="color:#CE9178;">=</span><span style="color:#569CD6;">\\(</span><span style="color:#D4D4D4;">filteredValue</span><span style="color:#569CD6;">)</span><span style="color:#CE9178;">&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;"> }.</span><span style="color:#DCDCAA;">joined</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">separator</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;&amp;&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> wbiSign = </span><span style="color:#DCDCAA;">calculateMD5</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">string</span><span style="color:#D4D4D4;">: query + mixinKey)</span></span>
<span class="line"><span style="color:#D4D4D4;"> params[</span><span style="color:#CE9178;">&quot;w_rid&quot;</span><span style="color:#D4D4D4;">] = wbiSign</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> params</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#569CD6;"> func</span><span style="color:#DCDCAA;"> getWbiKeys</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">completion</span><span style="color:#D4D4D4;">: </span><span style="color:#569CD6;">@escaping</span><span style="color:#D4D4D4;"> (Result&lt;(imgKey: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">, subKey: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">), </span><span style="color:#4EC9B0;">Error</span><span style="color:#D4D4D4;">&gt;) -&gt; </span><span style="color:#4EC9B0;">Void</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> headers: HTTPHeaders = [</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;User-Agent&quot;</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36&quot;</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#CE9178;"> &quot;Referer&quot;</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;https://www.bilibili.com/&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;"> ]</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#D4D4D4;"> AF.</span><span style="color:#DCDCAA;">request</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;https://api.bilibili.com/x/web-interface/nav&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">headers</span><span style="color:#D4D4D4;">: headers).</span><span style="color:#DCDCAA;">responseJSON</span><span style="color:#D4D4D4;"> { response </span><span style="color:#C586C0;">in</span></span>
<span class="line"><span style="color:#C586C0;"> switch</span><span style="color:#D4D4D4;"> response.result {</span></span>
<span class="line"><span style="color:#C586C0;"> case</span><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">success</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">let</span><span style="color:#D4D4D4;"> value):</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> json = </span><span style="color:#DCDCAA;">JSON</span><span style="color:#D4D4D4;">(value)</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> imgURL = json[</span><span style="color:#CE9178;">&quot;data&quot;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&quot;wbi_img&quot;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&quot;img_url&quot;</span><span style="color:#D4D4D4;">].</span><span style="color:#9CDCFE;">string</span><span style="color:#D4D4D4;"> ?? </span><span style="color:#CE9178;">&quot;&quot;</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> subURL = json[</span><span style="color:#CE9178;">&quot;data&quot;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&quot;wbi_img&quot;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&quot;sub_url&quot;</span><span style="color:#D4D4D4;">].</span><span style="color:#9CDCFE;">string</span><span style="color:#D4D4D4;"> ?? </span><span style="color:#CE9178;">&quot;&quot;</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> imgKey = imgURL.</span><span style="color:#DCDCAA;">components</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">separatedBy</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;/&quot;</span><span style="color:#D4D4D4;">).</span><span style="color:#9CDCFE;">last</span><span style="color:#D4D4D4;">?.</span><span style="color:#DCDCAA;">components</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">separatedBy</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;.&quot;</span><span style="color:#D4D4D4;">).</span><span style="color:#9CDCFE;">first</span><span style="color:#D4D4D4;"> ?? </span><span style="color:#CE9178;">&quot;&quot;</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> subKey = subURL.</span><span style="color:#DCDCAA;">components</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">separatedBy</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;/&quot;</span><span style="color:#D4D4D4;">).</span><span style="color:#9CDCFE;">last</span><span style="color:#D4D4D4;">?.</span><span style="color:#DCDCAA;">components</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">separatedBy</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;.&quot;</span><span style="color:#D4D4D4;">).</span><span style="color:#9CDCFE;">first</span><span style="color:#D4D4D4;"> ?? </span><span style="color:#CE9178;">&quot;&quot;</span></span>
<span class="line"><span style="color:#DCDCAA;"> completion</span><span style="color:#D4D4D4;">(.</span><span style="color:#DCDCAA;">success</span><span style="color:#D4D4D4;">((imgKey, subKey)))</span></span>
<span class="line"><span style="color:#C586C0;"> case</span><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">failure</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">let</span><span style="color:#D4D4D4;"> error):</span></span>
<span class="line"><span style="color:#DCDCAA;"> completion</span><span style="color:#D4D4D4;">(.</span><span style="color:#DCDCAA;">failure</span><span style="color:#D4D4D4;">(error))</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> func</span><span style="color:#DCDCAA;"> calculateMD5</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">string</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">) -&gt; </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> data = </span><span style="color:#DCDCAA;">Data</span><span style="color:#D4D4D4;">(string.</span><span style="color:#9CDCFE;">utf8</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#569CD6;"> var</span><span style="color:#D4D4D4;"> digest = [</span><span style="color:#4EC9B0;">UInt8</span><span style="color:#D4D4D4;">](</span><span style="color:#DCDCAA;">repeating</span><span style="color:#D4D4D4;">: </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">count</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">Int</span><span style="color:#D4D4D4;">(CC_MD5_DIGEST_LENGTH))</span></span>
<span class="line"><span style="color:#9CDCFE;"> _</span><span style="color:#D4D4D4;"> = data.</span><span style="color:#DCDCAA;">withUnsafeBytes</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#DCDCAA;"> CC_MD5</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">$0</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">baseAddress</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">CC_LONG</span><span style="color:#D4D4D4;">(data.</span><span style="color:#9CDCFE;">count</span><span style="color:#D4D4D4;">), &amp;digest)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> digest.</span><span style="color:#DCDCAA;">map</span><span style="color:#D4D4D4;"> { </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">format</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;%02hhx&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">$0</span><span style="color:#D4D4D4;">) }.</span><span style="color:#DCDCAA;">joined</span><span style="color:#D4D4D4;">()</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> mixinKeyEncTab = [</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span></span>
<span class="line"><span style="color:#D4D4D4;"> ]</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#DCDCAA;"> getWbiKeys</span><span style="color:#D4D4D4;"> { result </span><span style="color:#C586C0;">in</span></span>
<span class="line"><span style="color:#C586C0;"> switch</span><span style="color:#D4D4D4;"> result {</span></span>
<span class="line"><span style="color:#C586C0;"> case</span><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">success</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">let</span><span style="color:#D4D4D4;"> keys):</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> spdParam = param.</span><span style="color:#DCDCAA;">components</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">separatedBy</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;&amp;&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#569CD6;"> var</span><span style="color:#D4D4D4;"> spdDicParam = [</span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">: </span><span style="color:#4EC9B0;">String</span><span style="color:#D4D4D4;">]()</span></span>
<span class="line"><span style="color:#C586C0;"> for</span><span style="color:#D4D4D4;"> pair </span><span style="color:#C586C0;">in</span><span style="color:#D4D4D4;"> spdParam {</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> components = pair.</span><span style="color:#DCDCAA;">components</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">separatedBy</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;=&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#D4D4D4;"> components.</span><span style="color:#9CDCFE;">count</span><span style="color:#D4D4D4;"> == </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#D4D4D4;"> spdDicParam[components[</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">]] = components[</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> signedParams = </span><span style="color:#DCDCAA;">encWbi</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">params</span><span style="color:#D4D4D4;">: spdDicParam, </span><span style="color:#DCDCAA;">imgKey</span><span style="color:#D4D4D4;">: keys.</span><span style="color:#9CDCFE;">imgKey</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">subKey</span><span style="color:#D4D4D4;">: keys.</span><span style="color:#9CDCFE;">subKey</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> query = signedParams.</span><span style="color:#DCDCAA;">map</span><span style="color:#D4D4D4;"> { </span><span style="color:#CE9178;">&quot;</span><span style="color:#569CD6;">\\($0</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">key</span><span style="color:#569CD6;">)</span><span style="color:#CE9178;">=</span><span style="color:#569CD6;">\\($0</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">value</span><span style="color:#569CD6;">)</span><span style="color:#CE9178;">&quot;</span><span style="color:#D4D4D4;"> }.</span><span style="color:#DCDCAA;">joined</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">separator</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;&amp;&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#DCDCAA;"> completion</span><span style="color:#D4D4D4;">(query)</span></span>
<span class="line"><span style="color:#C586C0;"> case</span><span style="color:#D4D4D4;"> .</span><span style="color:#DCDCAA;">failure</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">let</span><span style="color:#D4D4D4;"> error):</span></span>
<span class="line"><span style="color:#DCDCAA;"> print</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;Error getting keys: </span><span style="color:#569CD6;">\\(</span><span style="color:#D4D4D4;">error</span><span style="color:#569CD6;">)</span><span style="color:#CE9178;">&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#DCDCAA;"> completion</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">nil</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">// 使用示例</span></span>
<span class="line"><span style="color:#DCDCAA;">biliWbiSign</span><span style="color:#D4D4D4;">(</span><span style="color:#DCDCAA;">param</span><span style="color:#D4D4D4;">: </span><span style="color:#CE9178;">&quot;bar=514&amp;foo=114&amp;zab=1919810&quot;</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#D4D4D4;"> signedQuery </span><span style="color:#C586C0;">in</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> signedQuery = signedQuery {</span></span>
<span class="line"><span style="color:#DCDCAA;"> print</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;签名后的参数: </span><span style="color:#569CD6;">\\(</span><span style="color:#D4D4D4;">signedQuery</span><span style="color:#569CD6;">)</span><span style="color:#CE9178;">&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> } </span><span style="color:#C586C0;">else</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#DCDCAA;"> print</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;签名失败&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D4D4D4;">RunLoop.</span><span style="color:#9CDCFE;">main</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">run</span><span style="color:#D4D4D4;">()</span><span style="color:#6A9955;">//程序类型为命令行程序时需要添加这行代码</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="language-text line-numbers-mode" data-highlighter="shiki" data-ext="text" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-text"><span class="line"><span>签名后的参数: bar=514&amp;wts=1741082093&amp;foo=114&amp;zab=1919810&amp;w_rid=04775bb3debbb45bab86a93a1c08d12a</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><h3 id="cplusplus" tabindex="-1"><a class="header-anchor" href="#cplusplus"><span>CPlusPlus</span></a></h3><p>需要 c++ 23 标准库，<a href="https://github.com/libcpr/cpr" target="_blank" rel="noopener noreferrer">cpr</a>、<a href="https://github.com/weidai11/cryptopp" target="_blank" rel="noopener noreferrer">cryptopp</a>、<a href="https://github.com/nlohmann/json" target="_blank" rel="noopener noreferrer">nlohmann/json</a> 等依赖</p><div class="language-c++ line-numbers-mode" data-highlighter="shiki" data-ext="c++" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-c++"><span class="line"><span style="color:#C586C0;">#include</span><span style="color:#CE9178;"> &lt;array&gt;</span><span style="color:#6A9955;"> // std::array</span></span>
<span class="line"><span style="color:#C586C0;">#include</span><span style="color:#CE9178;"> &lt;locale&gt;</span><span style="color:#6A9955;"> // std::locale</span></span>
<span class="line"><span style="color:#C586C0;">#include</span><span style="color:#CE9178;"> &lt;print&gt;</span><span style="color:#6A9955;"> // std::println</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">/// thrid party libraries</span></span>
<span class="line"><span style="color:#C586C0;">#include</span><span style="color:#CE9178;"> &lt;cpr/cpr.h&gt;</span></span>
<span class="line"><span style="color:#C586C0;">#include</span><span style="color:#CE9178;"> &lt;cryptopp/md5.h&gt;</span></span>
<span class="line"><span style="color:#C586C0;">#include</span><span style="color:#CE9178;"> &lt;cryptopp/hex.h&gt;</span></span>
<span class="line"><span style="color:#C586C0;">#include</span><span style="color:#CE9178;"> &lt;nlohmann/json.hpp&gt;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">/*</span></span>
<span class="line"><span style="color:#6A9955;"> * 注意，假定不会发生错误！</span></span>
<span class="line"><span style="color:#6A9955;"> */</span></span>
<span class="line"><span style="color:#569CD6;">class</span><span style="color:#4EC9B0;"> Wbi</span><span style="color:#D4D4D4;"> {</span></span>
<span class="line"><span style="color:#569CD6;"> constexpr</span><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::array&lt;</span><span style="color:#569CD6;">uint8_t</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">64</span><span style="color:#D4D4D4;">&gt; MIXIN_KEY_ENC_TAB_ = {</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span></span>
<span class="line"><span style="color:#D4D4D4;"> };</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> /* 获取 md5 hex(lower) */</span></span>
<span class="line"><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#DCDCAA;"> Get_md5_hex</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">const</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#569CD6;"> &amp;</span><span style="color:#9CDCFE;">Input_str</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#4EC9B0;"> CryptoPP</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">Weak1</span><span style="color:#D4D4D4;">::MD5 hash;</span></span>
<span class="line"><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::string md5_hex;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#4EC9B0;"> CryptoPP</span><span style="color:#D4D4D4;">::StringSource </span><span style="color:#DCDCAA;">ss</span><span style="color:#D4D4D4;">(Input_str, </span><span style="color:#569CD6;">true</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#C586C0;"> new</span><span style="color:#4EC9B0;"> CryptoPP</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">HashFilter</span><span style="color:#D4D4D4;">(hash,</span></span>
<span class="line"><span style="color:#C586C0;"> new</span><span style="color:#4EC9B0;"> CryptoPP</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">HexEncoder</span><span style="color:#D4D4D4;">(</span></span>
<span class="line"><span style="color:#C586C0;"> new</span><span style="color:#4EC9B0;"> CryptoPP</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">StringSink</span><span style="color:#D4D4D4;">(md5_hex)</span></span>
<span class="line"><span style="color:#D4D4D4;"> )</span></span>
<span class="line"><span style="color:#D4D4D4;"> )</span></span>
<span class="line"><span style="color:#D4D4D4;"> );</span></span>
<span class="line"></span>
<span class="line"><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">ranges</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">for_each</span><span style="color:#D4D4D4;">(md5_hex, [](</span><span style="color:#569CD6;">char</span><span style="color:#569CD6;"> &amp;</span><span style="color:#9CDCFE;">x</span><span style="color:#D4D4D4;">) { x = </span><span style="color:#4EC9B0;">std</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">tolower</span><span style="color:#D4D4D4;">(x); });</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> md5_hex;</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">public:</span></span>
<span class="line"><span style="color:#6A9955;"> /* 将 json 转换为 url 编码字符串 */</span></span>
<span class="line"><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#DCDCAA;"> Json_to_url_encode_str</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">const</span><span style="color:#4EC9B0;"> nlohmann</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">json</span><span style="color:#569CD6;"> &amp;</span><span style="color:#9CDCFE;">Json</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::string encode_str;</span></span>
<span class="line"><span style="color:#C586C0;"> for</span><span style="color:#D4D4D4;"> (</span><span style="color:#569CD6;">const</span><span style="color:#569CD6;"> auto</span><span style="color:#D4D4D4;"> &amp;[key, value]: </span><span style="color:#9CDCFE;">Json</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">items</span><span style="color:#D4D4D4;">()) {</span></span>
<span class="line"><span style="color:#9CDCFE;"> encode_str</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">append</span><span style="color:#D4D4D4;">(key).</span><span style="color:#DCDCAA;">append</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;=&quot;</span><span style="color:#D4D4D4;">).</span><span style="color:#DCDCAA;">append</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">cpr</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">util</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">urlEncode</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">value</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">is_string</span><span style="color:#D4D4D4;">() ? </span><span style="color:#9CDCFE;">value</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">get</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#4EC9B0;">std</span><span style="color:#D4D4D4;">::string&gt;() : </span><span style="color:#DCDCAA;">to_string</span><span style="color:#D4D4D4;">(value))).</span><span style="color:#DCDCAA;">append</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;&amp;&quot;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> // remove the last &#39;&amp;&#39;</span></span>
<span class="line"><span style="color:#9CDCFE;"> encode_str</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">resize</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">encode_str</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">size</span><span style="color:#D4D4D4;">() - </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&#39;</span><span style="color:#D7BA7D;">\\0</span><span style="color:#CE9178;">&#39;</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> encode_str;</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> /* 获取 wbi key */</span></span>
<span class="line"><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">pair</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#4EC9B0;">std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#D4D4D4;">&gt; </span><span style="color:#DCDCAA;">Get_wbi_key</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#569CD6;"> auto</span><span style="color:#D4D4D4;"> url = </span><span style="color:#4EC9B0;">cpr</span><span style="color:#D4D4D4;">::Url {</span><span style="color:#CE9178;">&quot;https://api.bilibili.com/x/web-interface/nav&quot;</span><span style="color:#D4D4D4;">};</span></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#569CD6;"> auto</span><span style="color:#D4D4D4;"> cookie = </span><span style="color:#4EC9B0;">cpr</span><span style="color:#D4D4D4;">::Cookies {</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span><span style="color:#CE9178;">&quot;SESSDATA&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;xxxxxxxxxxxx&quot;</span><span style="color:#D4D4D4;">},</span></span>
<span class="line"><span style="color:#D4D4D4;"> };</span></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#569CD6;"> auto</span><span style="color:#D4D4D4;"> header = </span><span style="color:#4EC9B0;">cpr</span><span style="color:#D4D4D4;">::Header {</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span><span style="color:#CE9178;">&quot;User-Agent&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3&quot;</span><span style="color:#D4D4D4;">},</span></span>
<span class="line"><span style="color:#D4D4D4;"> {</span><span style="color:#CE9178;">&quot;Referer&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;https://www.bilibili.com/&quot;</span><span style="color:#D4D4D4;">},</span></span>
<span class="line"><span style="color:#D4D4D4;"> };</span></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#569CD6;"> auto</span><span style="color:#D4D4D4;"> response = </span><span style="color:#4EC9B0;">cpr</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">Get</span><span style="color:#D4D4D4;">(url, cookie, header);</span></span>
<span class="line"></span>
<span class="line"><span style="color:#4EC9B0;"> nlohmann</span><span style="color:#D4D4D4;">::json json = </span><span style="color:#4EC9B0;">nlohmann</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">json</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">parse</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">response</span><span style="color:#D4D4D4;">.</span><span style="color:#9CDCFE;">text</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::string img_url = </span><span style="color:#9CDCFE;">json</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;data&quot;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&quot;wbi_img&quot;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&quot;img_url&quot;</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::string sub_url = </span><span style="color:#9CDCFE;">json</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;data&quot;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&quot;wbi_img&quot;</span><span style="color:#D4D4D4;">][</span><span style="color:#CE9178;">&quot;sub_url&quot;</span><span style="color:#D4D4D4;">];</span></span>
<span class="line"></span>
<span class="line"><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::string img_key = </span><span style="color:#9CDCFE;">img_url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">substr</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">img_url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">find</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;wbi/&quot;</span><span style="color:#D4D4D4;">) + </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">img_url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">find</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;.png&quot;</span><span style="color:#D4D4D4;">) - </span><span style="color:#9CDCFE;">img_url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">find</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;wbi/&quot;</span><span style="color:#D4D4D4;">) - </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::string sub_key = </span><span style="color:#9CDCFE;">sub_url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">substr</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">sub_url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">find</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;wbi/&quot;</span><span style="color:#D4D4D4;">) + </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#9CDCFE;">sub_url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">find</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;.png&quot;</span><span style="color:#D4D4D4;">) - </span><span style="color:#9CDCFE;">sub_url</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">find</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;wbi/&quot;</span><span style="color:#D4D4D4;">) - </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#D4D4D4;"> {img_key, sub_key};</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> /* 获取 mixin key */</span></span>
<span class="line"><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#DCDCAA;"> Get_mixin_key</span><span style="color:#D4D4D4;">(</span><span style="color:#569CD6;">const</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#569CD6;"> &amp;</span><span style="color:#9CDCFE;">Img_key</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">const</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#569CD6;"> &amp;</span><span style="color:#9CDCFE;">Sub_key</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::string raw_wbi_key_str = Img_key + Sub_key;</span></span>
<span class="line"><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::string result;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">ranges</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">for_each</span><span style="color:#D4D4D4;">(MIXIN_KEY_ENC_TAB_, [&amp;</span><span style="color:#9CDCFE;">result</span><span style="color:#D4D4D4;">, &amp;</span><span style="color:#9CDCFE;">raw_wbi_key_str</span><span style="color:#D4D4D4;">](</span><span style="color:#569CD6;">const</span><span style="color:#569CD6;"> uint8_t</span><span style="color:#9CDCFE;"> x</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#9CDCFE;"> result</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">push_back</span><span style="color:#D4D4D4;">(</span><span style="color:#9CDCFE;">raw_wbi_key_str</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">at</span><span style="color:#D4D4D4;">(x));</span></span>
<span class="line"><span style="color:#D4D4D4;"> });</span></span>
<span class="line"></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#9CDCFE;"> result</span><span style="color:#D4D4D4;">.</span><span style="color:#DCDCAA;">substr</span><span style="color:#D4D4D4;">(</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;"> /* 计算签名(w_rid) */</span></span>
<span class="line"><span style="color:#569CD6;"> static</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#DCDCAA;"> Calc_sign</span><span style="color:#D4D4D4;">(</span><span style="color:#4EC9B0;">nlohmann</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">json</span><span style="color:#569CD6;"> &amp;</span><span style="color:#9CDCFE;">Params</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">const</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">string</span><span style="color:#569CD6;"> &amp;</span><span style="color:#9CDCFE;">Mixin_key</span><span style="color:#D4D4D4;">) {</span></span>
<span class="line"><span style="color:#9CDCFE;"> Params</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;wts&quot;</span><span style="color:#D4D4D4;">] = </span><span style="color:#4EC9B0;">std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">chrono</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">duration_cast</span><span style="color:#D4D4D4;">&lt;</span><span style="color:#4EC9B0;">std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">chrono</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">seconds</span><span style="color:#D4D4D4;">&gt;(</span><span style="color:#4EC9B0;">std</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">chrono</span><span style="color:#D4D4D4;">::</span><span style="color:#4EC9B0;">system_clock</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">now</span><span style="color:#D4D4D4;">().</span><span style="color:#DCDCAA;">time_since_epoch</span><span style="color:#D4D4D4;">()).</span><span style="color:#DCDCAA;">count</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::string encode_str = </span><span style="color:#DCDCAA;">Json_to_url_encode_str</span><span style="color:#D4D4D4;">(Params).</span><span style="color:#DCDCAA;">append</span><span style="color:#D4D4D4;">(Mixin_key);</span></span>
<span class="line"><span style="color:#C586C0;"> return</span><span style="color:#DCDCAA;"> Get_md5_hex</span><span style="color:#D4D4D4;">(encode_str);</span></span>
<span class="line"><span style="color:#D4D4D4;"> }</span></span>
<span class="line"><span style="color:#D4D4D4;">};</span></span>
<span class="line"></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">int</span><span style="color:#DCDCAA;"> main</span><span style="color:#D4D4D4;">() {</span></span>
<span class="line"><span style="color:#4EC9B0;"> nlohmann</span><span style="color:#D4D4D4;">::json Params;</span></span>
<span class="line"><span style="color:#6A9955;"> // qn=32&amp;fnver=0&amp;fnval=4048&amp;fourk=1&amp;avid=1755630705&amp;cid=1574294582</span></span>
<span class="line"><span style="color:#9CDCFE;"> Params</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;qn&quot;</span><span style="color:#D4D4D4;">] = </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#9CDCFE;"> Params</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;fnver&quot;</span><span style="color:#D4D4D4;">] = </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#9CDCFE;"> Params</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;fnval&quot;</span><span style="color:#D4D4D4;">] = </span><span style="color:#B5CEA8;">4048</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#9CDCFE;"> Params</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;fourk&quot;</span><span style="color:#D4D4D4;">] = </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#9CDCFE;"> Params</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;avid&quot;</span><span style="color:#D4D4D4;">] = </span><span style="color:#B5CEA8;">1755630705</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"><span style="color:#9CDCFE;"> Params</span><span style="color:#D4D4D4;">[</span><span style="color:#CE9178;">&quot;cid&quot;</span><span style="color:#D4D4D4;">] = </span><span style="color:#B5CEA8;">1574294582</span><span style="color:#D4D4D4;">;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;"> auto</span><span style="color:#D4D4D4;"> [img_key, sub_key] = </span><span style="color:#4EC9B0;">Wbi</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">Get_wbi_key</span><span style="color:#D4D4D4;">();</span></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#569CD6;"> auto</span><span style="color:#D4D4D4;"> mixin_key = </span><span style="color:#4EC9B0;">Wbi</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">Get_mixin_key</span><span style="color:#D4D4D4;">(img_key, sub_key);</span></span>
<span class="line"><span style="color:#569CD6;"> const</span><span style="color:#569CD6;"> auto</span><span style="color:#D4D4D4;"> w_rid = </span><span style="color:#4EC9B0;">Wbi</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">Calc_sign</span><span style="color:#D4D4D4;">(Params, mixin_key);</span></span>
<span class="line"><span style="color:#4EC9B0;"> std</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">println</span><span style="color:#D4D4D4;">(</span><span style="color:#CE9178;">&quot;{}&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#4EC9B0;">Wbi</span><span style="color:#D4D4D4;">::</span><span style="color:#DCDCAA;">Json_to_url_encode_str</span><span style="color:#D4D4D4;">(Params) + </span><span style="color:#CE9178;">&quot;&amp;w_rid=&quot;</span><span style="color:#D4D4D4;"> + w_rid);</span></span>
<span class="line"><span style="color:#D4D4D4;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="language-text line-numbers-mode" data-highlighter="shiki" data-ext="text" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-text"><span class="line"><span>avid=1755630705&amp;cid=1574294582&amp;fnval=4048&amp;fnver=0&amp;fourk=1&amp;qn=32&amp;wts=1717922933&amp;w_rid=43571b838a1611fa121189083cfc1784</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><h3 id="haskell" tabindex="-1"><a class="header-anchor" href="#haskell"><span>Haskell</span></a></h3><p>无第三方依赖: <code>base</code>, <code>Cabal-syntax</code>, <code>bytestring</code>, <code>containers</code><br> 注: 此处使用自写的 URI 编码模块, 实际可用别的第三方库替代</p><p><code>Main.hs</code>:</p><div class="language-hs line-numbers-mode" data-highlighter="shiki" data-ext="hs" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-hs"><span class="line"><span style="color:#569CD6;">module</span><span style="color:#4EC9B0;"> Main</span><span style="color:#D4D4D4;"> (</span><span style="color:#DCDCAA;">wbi</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">main</span><span style="color:#D4D4D4;">) </span><span style="color:#569CD6;">where</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#4EC9B0;"> Data.ByteString.Char8</span><span style="color:#D4D4D4;"> (</span><span style="color:#DCDCAA;">pack</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#569CD6;"> qualified</span><span style="color:#4EC9B0;"> Data.Map.Strict</span><span style="color:#569CD6;"> as</span><span style="color:#4EC9B0;"> Map</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#4EC9B0;"> Distribution.Utils.MD5</span><span style="color:#D4D4D4;"> (</span><span style="color:#DCDCAA;">md5</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">showMD5</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#4EC9B0;"> URIEncoder</span><span style="color:#D4D4D4;"> (</span><span style="color:#DCDCAA;">encodeURIComponent</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#4EC9B0;"> Data.Time.Clock.System</span><span style="color:#D4D4D4;"> (</span><span style="color:#DCDCAA;">getSystemTime</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">systemSeconds</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#DCDCAA;">mixinKeyEncTab</span><span style="color:#D4D4D4;"> :: [</span><span style="color:#569CD6;">Int</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"><span style="color:#D4D4D4;">mixinKeyEncTab = [</span></span>
<span class="line"><span style="color:#B5CEA8;"> 46</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">47</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">53</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">8</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">23</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">32</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">15</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">50</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">58</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">3</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">45</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">35</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">27</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">43</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">5</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">49</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 33</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">9</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">42</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">19</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">29</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">28</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">14</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">39</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">38</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">41</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">13</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">37</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">48</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">7</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">24</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">55</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">40</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 61</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">26</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">17</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">60</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">51</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">30</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">4</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">22</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">25</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">54</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">21</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">56</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">59</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">63</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">57</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">62</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">11</span><span style="color:#D4D4D4;">,</span></span>
<span class="line"><span style="color:#B5CEA8;"> 36</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">20</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">34</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">44</span><span style="color:#D4D4D4;">, </span><span style="color:#B5CEA8;">52</span></span>
<span class="line"><span style="color:#D4D4D4;"> ]</span></span>
<span class="line"></span>
<span class="line"><span style="color:#DCDCAA;">getMixinKey</span><span style="color:#D4D4D4;"> :: </span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">String</span></span>
<span class="line"><span style="color:#D4D4D4;">getMixinKey imgKey subKey =</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> s = imgKey ++ subKey</span></span>
<span class="line"><span style="color:#569CD6;"> in</span><span style="color:#D4D4D4;"> map (\\i -&gt; s !! (mixinKeyEncTab !! i)) [</span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;">..</span><span style="color:#B5CEA8;">31</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"></span>
<span class="line"><span style="color:#DCDCAA;">join</span><span style="color:#D4D4D4;"> :: [</span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;">] -&gt; </span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">String</span></span>
<span class="line"><span style="color:#D4D4D4;">join arr ins = concatMap (++ ins) (init arr) ++ last arr</span></span>
<span class="line"></span>
<span class="line"><span style="color:#DCDCAA;">wbi</span><span style="color:#D4D4D4;"> :: </span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">Integer</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#4EC9B0;">Map.</span><span style="color:#569CD6;">Map</span><span style="color:#569CD6;"> String</span><span style="color:#569CD6;"> String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">String</span></span>
<span class="line"><span style="color:#D4D4D4;">wbi imgKey subKey wts params =</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> orig = join (map (\\(k, v) -&gt; encodeURIComponent k ++ </span><span style="color:#CE9178;">&quot;=&quot;</span><span style="color:#D4D4D4;"> ++ encodeURIComponent v) (</span><span style="color:#4EC9B0;">Map.</span><span style="color:#D4D4D4;">toList $ </span><span style="color:#4EC9B0;">Map.</span><span style="color:#D4D4D4;">insert </span><span style="color:#CE9178;">&quot;wts&quot;</span><span style="color:#D4D4D4;"> (show wts) params)) </span><span style="color:#CE9178;">&quot;&amp;&quot;</span></span>
<span class="line"><span style="color:#569CD6;"> in</span><span style="color:#D4D4D4;"> orig ++ </span><span style="color:#CE9178;">&quot;&amp;w_rid=&quot;</span><span style="color:#D4D4D4;"> ++ showMD5 (md5 $ pack $ orig ++ getMixinKey imgKey subKey)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#DCDCAA;">main</span><span style="color:#D4D4D4;"> :: </span><span style="color:#569CD6;">IO</span><span style="color:#D4D4D4;"> ()</span></span>
<span class="line"><span style="color:#D4D4D4;">main = </span><span style="color:#C586C0;">do</span><span style="color:#6A9955;"> -- hard encode for test</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> params1 = </span><span style="color:#4EC9B0;">Map.</span><span style="color:#D4D4D4;">fromList [(</span><span style="color:#CE9178;">&quot;aid&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;2&quot;</span><span style="color:#D4D4D4;">)]</span></span>
<span class="line"><span style="color:#D4D4D4;"> params2 = </span><span style="color:#4EC9B0;">Map.</span><span style="color:#D4D4D4;">fromList [(</span><span style="color:#CE9178;">&quot;foo&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;114&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> ,(</span><span style="color:#CE9178;">&quot;bar&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;514&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> ,(</span><span style="color:#CE9178;">&quot;hello&quot;</span><span style="color:#D4D4D4;">, </span><span style="color:#CE9178;">&quot;世 界&quot;</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> ]</span></span>
<span class="line"><span style="color:#D4D4D4;"> imgKey = </span><span style="color:#CE9178;">&quot;7cd084941338484aae1ad9425b84077c&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;"> subKey = </span><span style="color:#CE9178;">&quot;4932caff0ff746eab6f01bf08b70ac45&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;"> wts1 &lt;- getSystemTime </span></span>
<span class="line"><span style="color:#D4D4D4;"> putStrLn $ wbi imgKey subKey (toInteger $ systemSeconds wts1) params1</span></span>
<span class="line"><span style="color:#D4D4D4;"> wts2 &lt;- getSystemTime </span></span>
<span class="line"><span style="color:#D4D4D4;"> putStrLn $ wbi imgKey subKey (toInteger $ systemSeconds wts2) params2</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p><code>URIEncoder.hs</code>:</p><div class="language-hs line-numbers-mode" data-highlighter="shiki" data-ext="hs" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-hs"><span class="line"><span style="color:#569CD6;">module</span><span style="color:#4EC9B0;"> URIEncoder</span><span style="color:#D4D4D4;"> (</span><span style="color:#DCDCAA;">encodeURIComponent</span><span style="color:#D4D4D4;">) </span><span style="color:#569CD6;">where</span></span>
<span class="line"></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#4EC9B0;"> Data.Char</span><span style="color:#D4D4D4;"> (</span><span style="color:#DCDCAA;">ord</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">chr</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">intToDigit</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#4EC9B0;"> Data.Bits</span><span style="color:#D4D4D4;"> (</span><span style="color:#DCDCAA;">shiftL</span><span style="color:#D4D4D4;">, </span><span style="color:#DCDCAA;">shiftR</span><span style="color:#D4D4D4;">, (</span><span style="color:#DCDCAA;">.&amp;.</span><span style="color:#D4D4D4;">))</span></span>
<span class="line"><span style="color:#569CD6;">import</span><span style="color:#4EC9B0;"> Data.List</span><span style="color:#D4D4D4;"> (</span><span style="color:#DCDCAA;">isInfixOf</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">-- ES 19.2.6.4 encodeURIComponent ( uriComponent )</span></span>
<span class="line"><span style="color:#DCDCAA;">encodeURIComponent</span><span style="color:#D4D4D4;"> :: </span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">String</span></span>
<span class="line"><span style="color:#D4D4D4;">encodeURIComponent input = </span><span style="color:#C586C0;">case</span><span style="color:#D4D4D4;"> encode input </span><span style="color:#CE9178;">&quot;&quot;</span><span style="color:#C586C0;"> of</span></span>
<span class="line"><span style="color:#D4D4D4;"> Right result -&gt; result</span></span>
<span class="line"><span style="color:#D4D4D4;"> Left err -&gt; error err</span></span>
<span class="line"></span>
<span class="line"><span style="color:#6A9955;">-- ES 19.2.6.5 Encode ( string, extraUnescaped )</span></span>
<span class="line"><span style="color:#DCDCAA;">encode</span><span style="color:#D4D4D4;"> :: </span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">Either</span><span style="color:#569CD6;"> String</span><span style="color:#569CD6;"> String</span></span>
<span class="line"><span style="color:#D4D4D4;">encode string extraUnescaped = loop </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;"> string</span></span>
<span class="line"><span style="color:#569CD6;"> where</span></span>
<span class="line"><span style="color:#D4D4D4;"> alwaysUnescaped = [</span><span style="color:#CE9178;">&#39;A&#39;</span><span style="color:#D4D4D4;">..</span><span style="color:#CE9178;">&#39;Z&#39;</span><span style="color:#D4D4D4;">] ++ [</span><span style="color:#CE9178;">&#39;a&#39;</span><span style="color:#D4D4D4;">..</span><span style="color:#CE9178;">&#39;z&#39;</span><span style="color:#D4D4D4;">] ++ [</span><span style="color:#CE9178;">&#39;0&#39;</span><span style="color:#D4D4D4;">..</span><span style="color:#CE9178;">&#39;9&#39;</span><span style="color:#D4D4D4;">] ++ </span><span style="color:#CE9178;">&quot;-.!~*&#39;()&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;"> unescapedSet = alwaysUnescaped ++ extraUnescaped</span></span>
<span class="line"><span style="color:#D4D4D4;"> </span></span>
<span class="line"><span style="color:#D4D4D4;"> loop k str</span></span>
<span class="line"><span style="color:#D4D4D4;"> | k &gt;= length str = Right </span><span style="color:#569CD6;">[]</span></span>
<span class="line"><span style="color:#D4D4D4;"> | otherwise = </span><span style="color:#C586C0;">case</span><span style="color:#D4D4D4;"> codePointAt str k </span><span style="color:#C586C0;">of</span></span>
<span class="line"><span style="color:#D4D4D4;"> (Nothing, _) -&gt; Left </span><span style="color:#CE9178;">&quot;Unpaired surrogate&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;"> (Just (cp, _), newK) -&gt;</span></span>
<span class="line"><span style="color:#C586C0;"> if</span><span style="color:#D4D4D4;"> [str !! k] \`isInfixOf\` unescapedSet</span></span>
<span class="line"><span style="color:#C586C0;"> then</span><span style="color:#D4D4D4;"> (str !! k :) &lt;$&gt; loop (k + </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">) str</span></span>
<span class="line"><span style="color:#C586C0;"> else</span><span style="color:#C586C0;"> do</span></span>
<span class="line"><span style="color:#D4D4D4;"> bytes &lt;- utf8Encode cp</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> escaped = concatMap percentEncode bytes</span></span>
<span class="line"><span style="color:#D4D4D4;"> rest &lt;- loop newK str</span></span>
<span class="line"><span style="color:#D4D4D4;"> Right (escaped ++ rest)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#DCDCAA;">codePointAt</span><span style="color:#D4D4D4;"> :: </span><span style="color:#569CD6;">String</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">Int</span><span style="color:#D4D4D4;"> -&gt; (</span><span style="color:#569CD6;">Maybe</span><span style="color:#D4D4D4;"> (</span><span style="color:#569CD6;">Int</span><span style="color:#D4D4D4;">, </span><span style="color:#569CD6;">Int</span><span style="color:#D4D4D4;">), </span><span style="color:#569CD6;">Int</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;">codePointAt s k</span></span>
<span class="line"><span style="color:#D4D4D4;"> | k &gt;= length s = (Nothing, k)</span></span>
<span class="line"><span style="color:#D4D4D4;"> | otherwise =</span></span>
<span class="line"><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> c1 = ord (s !! k)</span></span>
<span class="line"><span style="color:#569CD6;"> in</span><span style="color:#C586C0;"> if</span><span style="color:#B5CEA8;"> 0xD800</span><span style="color:#D4D4D4;"> &lt;= c1 &amp;&amp; c1 &lt;= </span><span style="color:#B5CEA8;">0xDBFF</span><span style="color:#D4D4D4;"> &amp;&amp; k+</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;"> &lt; length s</span></span>
<span class="line"><span style="color:#C586C0;"> then</span><span style="color:#569CD6;"> let</span><span style="color:#D4D4D4;"> c2 = ord (s !! (k+</span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">))</span></span>
<span class="line"><span style="color:#569CD6;"> in</span><span style="color:#C586C0;"> if</span><span style="color:#B5CEA8;"> 0xDC00</span><span style="color:#D4D4D4;"> &lt;= c2 &amp;&amp; c2 &lt;= </span><span style="color:#B5CEA8;">0xDFFF</span></span>
<span class="line"><span style="color:#C586C0;"> then</span><span style="color:#D4D4D4;"> ( Just (</span><span style="color:#B5CEA8;">0x10000</span><span style="color:#D4D4D4;"> + ((c1 - </span><span style="color:#B5CEA8;">0xD800</span><span style="color:#D4D4D4;">) \`shiftL\` </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;">) + (c2 - </span><span style="color:#B5CEA8;">0xDC00</span><span style="color:#D4D4D4;">), </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> , k + </span><span style="color:#B5CEA8;">2</span><span style="color:#D4D4D4;"> )</span></span>
<span class="line"><span style="color:#C586C0;"> else</span><span style="color:#D4D4D4;"> (Just (c1, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">), k + </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#C586C0;"> else</span><span style="color:#D4D4D4;"> (Just (c1, </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">), k + </span><span style="color:#B5CEA8;">1</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#DCDCAA;">utf8Encode</span><span style="color:#D4D4D4;"> :: </span><span style="color:#569CD6;">Int</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">Either</span><span style="color:#569CD6;"> String</span><span style="color:#D4D4D4;"> [</span><span style="color:#569CD6;">Int</span><span style="color:#D4D4D4;">]</span></span>
<span class="line"><span style="color:#D4D4D4;">utf8Encode cp</span></span>
<span class="line"><span style="color:#D4D4D4;"> | cp &lt; </span><span style="color:#B5CEA8;">0</span><span style="color:#D4D4D4;"> = Left </span><span style="color:#CE9178;">&quot;Invalid code point&quot;</span></span>
<span class="line"><span style="color:#D4D4D4;"> | cp &lt;= </span><span style="color:#B5CEA8;">0x007F</span><span style="color:#D4D4D4;"> = Right [cp]</span></span>
<span class="line"><span style="color:#D4D4D4;"> | cp &lt;= </span><span style="color:#B5CEA8;">0x07FF</span><span style="color:#D4D4D4;"> = Right</span></span>
<span class="line"><span style="color:#D4D4D4;"> [ </span><span style="color:#B5CEA8;">0xC0</span><span style="color:#D4D4D4;"> + (cp \`shiftR\` </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> , </span><span style="color:#B5CEA8;">0x80</span><span style="color:#D4D4D4;"> + (cp .&amp;. </span><span style="color:#B5CEA8;">0x3F</span><span style="color:#D4D4D4;">) ]</span></span>
<span class="line"><span style="color:#D4D4D4;"> | cp &lt;= </span><span style="color:#B5CEA8;">0xFFFF</span><span style="color:#D4D4D4;"> = Right</span></span>
<span class="line"><span style="color:#D4D4D4;"> [ </span><span style="color:#B5CEA8;">0xE0</span><span style="color:#D4D4D4;"> + (cp \`shiftR\` </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> , </span><span style="color:#B5CEA8;">0x80</span><span style="color:#D4D4D4;"> + ((cp \`shiftR\` </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">) .&amp;. </span><span style="color:#B5CEA8;">0x3F</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> , </span><span style="color:#B5CEA8;">0x80</span><span style="color:#D4D4D4;"> + (cp .&amp;. </span><span style="color:#B5CEA8;">0x3F</span><span style="color:#D4D4D4;">) ]</span></span>
<span class="line"><span style="color:#D4D4D4;"> | cp &lt;= </span><span style="color:#B5CEA8;">0x10FFFF</span><span style="color:#D4D4D4;"> = Right</span></span>
<span class="line"><span style="color:#D4D4D4;"> [ </span><span style="color:#B5CEA8;">0xF0</span><span style="color:#D4D4D4;"> + (cp \`shiftR\` </span><span style="color:#B5CEA8;">18</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> , </span><span style="color:#B5CEA8;">0x80</span><span style="color:#D4D4D4;"> + ((cp \`shiftR\` </span><span style="color:#B5CEA8;">12</span><span style="color:#D4D4D4;">) .&amp;. </span><span style="color:#B5CEA8;">0x3F</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> , </span><span style="color:#B5CEA8;">0x80</span><span style="color:#D4D4D4;"> + ((cp \`shiftR\` </span><span style="color:#B5CEA8;">6</span><span style="color:#D4D4D4;">) .&amp;. </span><span style="color:#B5CEA8;">0x3F</span><span style="color:#D4D4D4;">)</span></span>
<span class="line"><span style="color:#D4D4D4;"> , </span><span style="color:#B5CEA8;">0x80</span><span style="color:#D4D4D4;"> + (cp .&amp;. </span><span style="color:#B5CEA8;">0x3F</span><span style="color:#D4D4D4;">) ]</span></span>
<span class="line"><span style="color:#D4D4D4;"> | otherwise = Left </span><span style="color:#CE9178;">&quot;Code point out of range&quot;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#DCDCAA;">percentEncode</span><span style="color:#D4D4D4;"> :: </span><span style="color:#569CD6;">Int</span><span style="color:#D4D4D4;"> -&gt; </span><span style="color:#569CD6;">String</span></span>
<span class="line"><span style="color:#D4D4D4;">percentEncode byte = </span><span style="color:#CE9178;">&#39;%&#39;</span><span style="color:#D4D4D4;"> : toHex byte</span></span>
<span class="line"><span style="color:#569CD6;"> where</span></span>
<span class="line"><span style="color:#D4D4D4;"> toHex n = [hexDigit (n \`div\` </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">), hexDigit (n \`mod\` </span><span style="color:#B5CEA8;">16</span><span style="color:#D4D4D4;">)]</span></span>
<span class="line"><span style="color:#D4D4D4;"> hexDigit x</span></span>
<span class="line"><span style="color:#D4D4D4;"> | x &lt; </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;"> = intToDigit x</span></span>
<span class="line"><span style="color:#D4D4D4;"> | otherwise = chr (x - </span><span style="color:#B5CEA8;">10</span><span style="color:#D4D4D4;"> + ord </span><span style="color:#CE9178;">&#39;A&#39;</span><span style="color:#D4D4D4;">)</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>输出:</p><div class="language-text line-numbers-mode" data-highlighter="shiki" data-ext="text" style="background-color:#1E1E1E;color:#D4D4D4;"><pre class="shiki dark-plus vp-code"><code class="language-text"><span class="line"><span>aid=2&amp;wts=1744823207&amp;w_rid=a3cd246bd42c066932752b24694eaf0d</span></span>
<span class="line"><span>bar=514&amp;foo=114&amp;hello=%E4%B8%96%20%E7%95%8C&amp;wts=1744823207&amp;w_rid=93acf59d85f74453e40cea00056c3daf</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div></div></div>`,41))])}const E=t(C,[["render",d]]),m=JSON.parse('{"path":"/docs/misc/sign/wbi.html","title":"WBI 签名","lang":"zh-CN","frontmatter":{},"git":{"updatedTime":1758034754000,"contributors":[{"name":"SocialSisterYi","username":"SocialSisterYi","email":"1440239038@qq.com","commits":3,"url":"https://github.com/SocialSisterYi"},{"name":"THMonster","username":"THMonster","email":"me@isoasflus.com","commits":1,"url":"https://github.com/THMonster"},{"name":"Jianqi 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