有没有办法忽略JsonSerializable类中属性的序列化?
我正在使用build_runner生成映射代码.
实现这一点的一种方法是在.g.dart文件中注释该特定属性的映射,不过如果可以在该属性上添加忽略属性就更好了.
import 'package:json_annotation/json_annotation.dart';
part 'example.g.dart';
@JsonSerializable()
class Example {
Example({this.a, this.b, this.c,});
int a;
int b;
/// Ignore this property
int c;
factory Example.fromJson(Map<String, dynamic> json) =>
_$ExampleFromJson(json);
Map<String, dynamic> toJson() => _$ExampleToJson(this);
}
结果
Example _$ExampleFromJson(Map<String, dynamic> json) {
return Example(a: json['a'] as int, b: json['b'] as int, c: json['c'] as int);
}
Map<String, dynamic> _$ExampleToJson(Example instance) =>
<String, dynamic>{'a': instance.a, 'b': instance.b, 'c': instance.c};
我所做的是通过注释c的映射来实现这一点.
Example _$ExampleFromJson(Map<String, dynamic> json) {
return Example(a: json['a'] as int, b: json['b'] as int, c: json['c'] as int);
}
Map<String, dynamic> _$ExampleToJson(Example instance) =>
<String, dynamic>{'a': instance.a, 'b': instance.b, /* 'c': instance.c */};