import 'dart:convert'; T? asT(dynamic value) { if (value is T) { return value; } return null; } class UserBindStatusModel { UserBindStatusModel({ required this.isBindTel, required this.isSetPwd, }); factory UserBindStatusModel.fromJson(Map json) => UserBindStatusModel( isBindTel: asT(json['is_bind_tel'])!, isSetPwd: asT(json['is_set_pwd'])!, ); int isBindTel; int isSetPwd; @override String toString() { return jsonEncode(this); } Map toJson() => { 'is_bind_tel': isBindTel, 'is_set_pwd': isSetPwd, }; }