“Flattern JSON Serialisierung” Code-Antworten

Flattern JSON Serialisierungsbefehl

flutter pub run build_runner build
Clumsy Cod

JSON zum Dart -Modell analysieren

import '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);
Mysterious Mongoose

dart json serialisierbar

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);
}
Fancy Fly

Flattern JSON Serialisierung

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>
Zeeshan Iqbal

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