Flattern JSON Serialisierungsbefehl
flutter pub run build_runner build
Clumsy Cod
flutter pub run build_runner buildimport 'dart:convert';
main() {
String nestedObjText =
'{"title": "Dart Tutorial", "description": "Way to parse Json", "author": {"name": "bezkoder", "age": 30}}';
Tutorial tutorial = Tutorial.fromJson(jsonDecode(nestedObjText));
print(tutorial);
dependencies:
json_serializable: ^6.1.5
import 'package:json_annotation/json_annotation.dart';
part 'example.g.dart';
@JsonSerializable()
class Person {
/// The generated code assumes these values exist in JSON.
final String firstName, lastName;
/// The generated code below handles if the corresponding JSON value doesn't
/// exist or is empty.
final DateTime? dateOfBirth;
Person({required this.firstName, required this.lastName, this.dateOfBirth});
/// Connect the generated [_$PersonFromJson] function to the `fromJson`
/// factory.
factory Person.fromJson(Map<String, dynamic> json) => _$PersonFromJson(json);
/// Connect the generated [_$PersonToJson] function to the `toJson` method.
Map<String, dynamic> toJson() => _$PersonToJson(this);
}dependencies:
# Your other regular dependencies here
json_annotation: <latest_version>
dev_dependencies:
# Your other dev_dependencies here
build_runner: <latest_version>
json_serializable: <latest_version>