JSON 转 Dart Model

class UserProfile {
  final int id;
  final String name;
  final bool active;
  final double score;

  const UserProfile({
    required this.id,
    required this.name,
    required this.active,
    required this.score,
  });

  factory UserProfile.fromJson(Map<String, dynamic> json) => UserProfile(
    id: json['id'],
    name: json['name'],
    active: json['active'],
    score: json['score'],
  );
}