详情https://github.com/dart-lang/json_serializable/tree/master/example
具体如链接: https://github.com/dart-lang/json_serializable/tree/master/example
1在 pubspec.yaml文件中添加如下
.然后更新一下
dependencies:
json_annotation: ^0.2.4
dev_dependencies:
build_runner: ^0.8.0
json_serializable: ^0.5.2
2书写代码,假如我的dart文件交bean.dart。大概如下, _$NoDataFromJson,_$NoDataSerializerMixin 替换为你自己类名开头即可,注意添加@JsonSerializable(),然后drat文件顶部添加
part 'bean.g.dart';//与当前文件相比,多一个.g即可
@JsonSerializable() class NoData extends Object with _$NoDataSerializerMixin{ final int code; final String message; NoData({this.code, this.message}); factory NoData.fromJson(Map<String, dynamic> json) => _$NoDataFromJson(json); }3 运行 flutter packages pub run build_runner build 后就会生成一个 bean.g.dart 然后就可以使用了