import 'dart:convert'; class MsgSysItem { int? id; int? cursor; String? title; String? content; String? timeAt; MsgSysItem({ this.id, this.cursor, this.title, this.content, this.timeAt, }); MsgSysItem.fromJson(Map json) { id = json['id'] as int?; cursor = json['cursor'] as int?; title = json['title'] as String?; content = json['content'] as String?; if (content != null) { try { dynamic json = jsonDecode(content!); if (json?['web'] != null) { content = json['web']; } } catch (_) {} } timeAt = json['time_at'] as String?; } }