Flutter HTTP请求 #

dependencies:
  http: ^1.1.0

import 'package:http/http.dart' as http;

Future<void> fetchData() async {
  final response = await http.get(
    Uri.parse('https://api.example.com/data'),
  );
  
  if (response.statusCode == 200) {
    print(response.body);
  } else {
    throw Exception('Failed to load data');
  }
}

Future<void> postData() async {
  final response = await http.post(
    Uri.parse('https://api.example.com/users'),
    headers: {'Content-Type': 'application/json'},
    body: jsonEncode({'name': 'John', 'email': 'john@example.com'}),
  );
}

dependencies:
  dio: ^5.4.0

final dio = Dio();

Future<void> fetchData() async {
  try {
    final response = await dio.get('https://api.example.com/data');
    print(response.data);
  } catch (e) {
    print(e);
  }
}

dio.interceptors.add(InterceptorsWrapper(
  onRequest: (options, handler) {
    options.headers['Authorization'] = 'Bearer token';
    return handler.next(options);
  },
  onResponse: (response, handler) {
    return handler.next(response);
  },
  onError: (error, handler) {
    return handler.next(error);
  },
));