class QuitModel { final int code; final bool success; final String msg; QuitModel({ required this.code, required this.success, required this.msg }); /// 从 JSON 创建 QuitModel factory QuitModel.fromJson(Map json) { return QuitModel( code: json['code'] as int, success: json['success'] as bool, msg: json['msg'] as String, ); } /// 转换为 JSON Map toJson() { return { 'code': code, 'success': success, 'msg': msg, }; } }