import 'package:json_annotation/json_annotation.dart'; part 'create_order_bean.g.dart'; @JsonSerializable() class CreateOrderBean { String? OrderCode; String? OldToken; CreateOrderBean(this.OrderCode, this.OldToken); factory CreateOrderBean.fromJson(Map json) => _$CreateOrderBeanFromJson(json); Map toJson() => _$CreateOrderBeanToJson(this); }