id=jsonConvert.convert<String>(json['id']);if(id!=null){userEntity.id=id;}final String?name=jsonConvert.convert<String>(json['name']);if(name!=null){userEntity.name=name;}final int?age=jsonConvert.convert<int>(
String jsonString = '[{"name": "Category 1","subcategories": [{"name": "Subcategory 1.1","subcategories": []},{"name": "Subcategory 1.2","subcategories": []}]},{"name": "Category 2","subcategories": []}]'; List<Category> categories = parseCategories(jsonString); // 根据categor...
//先转jsonvarjson = jsonDecode(jsonStr);//json转modelvarmodel = UserResModel.fromJson(json); 存储 void _saveUserInfo(UserInfodata) async {SharedPreferencespref=awaitSharedPreferences.getInstance(); //将data转换成json字符串varstr=json.encode(data);pref.setString(DataConst.KEY_UserInfo,str);_read...
把json字符串转化为map类型,然后把它序列化(FocusModel.fromJson),就可以通过focus.xxx直接获取数据 import '../model/FocusModel.dart'; import 'dart:convert'; var str='{"_id":"1","title":"电脑 ","status":"1"," url":"12" }'; // 可以省略new var focus=new FocusModel.fromJson(json.de...
// 将 json 字符串信息转为 Map<String, dynamic> 类型的键值对信息 Map<String, dynamic> jsonMap = json.decode(responseString); // 使用工厂方法构造 Dart 对象 CommonModel commonModel = CommonModel.fromJson(jsonMap); print('icon : ${commonModel.icon}\ntittle : ${commonModel.title}\nurl :...
第一种:内置json直接解析 引入import'dart:convert';即可使用。varmap ={"name":"zhangsan","email":"123@qq.com","age":1};//转成字符串String name =json.encode(map); print(name);//解析字符串Map<String,dynamic> user =json.decode(name); ...
-1 : jsonData['code']; data = jsonData['data'] != null ? EntityFactory.generateOBJ<T>(jsonData['data']) : null; } } class HttpResponseListEntity<T>{ int code; String msg; List<T> data; HttpResponseListEntity({this.code, this.msg, this.data}); HttpResponseListEntity.fromJson(...
受zzz40500/GsonFormat启发,将JSONObject格式的String解析成dart语言的实体类 - debuggerx01/JSONFormat4Flutter
同样是 dart define ,但是--dart-define-from-file可以直接从一个 json 文件上读取配置,然后转成一个Map,之后配置到 Environment 里,同样是可以在 dart 里通过String.fromEnvironment去读取参数,而 json 文件的配置方式,可以让你在需要配置多个变量时参数管理变得更好维护。
import'package:json_annotation/json_annotation.dart';import'test_dir/profile.dart';part'user.g.dart';@JsonSerializable()classUser{User();@JsonKey(ignore:true)Profile?profile;@JsonKey(name:'+1')int?loved;//名字String?name;User?father;List<User>?friends;List<String>?keywords;num?age;factoryUs...