app-zj/lib/model/req/login_req.dart

import 'package:json_annotation/json_annotation.dart';

part 'login_req.g.dart';

@JsonSerializable(genericArgumentFactories: true)
class LoginReq {
  final String? username;
  final String? password;

  const LoginReq({
    this.username,
    this.password,
  });

  factory LoginReq.fromJson(Map<String, dynamic> json) => _$LoginReqFromJson(json);

  Map<String, dynamic> toJson() => _$LoginReqToJson(this);
}