Files
AI-Health/health_app/lib/core/api_client.dart
MingNian 6e69f1085e chore: 全面规范化代码,遵循 CLAUDE.md 编码规范
- C# 文件命名改为 snake_case(28 个文件重命名)
- C# 类转换为主构造函数(8 个类)
- 空 catch 添加异常类型(2 处)
- 新建 GlobalUsings.cs(Health.Infrastructure、Health.WebApi)
- Flutter 移除 go_router,改用 Riverpod 路由栈
- Flutter 移除 flutter_secure_storage,改用 sqflite 持久化
- 修复 Flutter 构建路径(Flutter SDK 迁至 D 盘)
- 后端端口改为 0.0.0.0:5000,支持局域网访问
2026-06-02 12:41:06 +08:00

100 lines
3.0 KiB
Dart

import 'package:dio/dio.dart';
import 'local_database.dart';
/// API 基础地址
const String baseUrl = 'http://10.4.185.103:5000';
/// Dio HTTP 客户端封装——带 token 注入、401 自动刷新
class ApiClient {
final Dio _dio;
final LocalDatabase _db;
ApiClient({required LocalDatabase db})
: _db = db,
_dio = Dio(BaseOptions(
baseUrl: baseUrl,
connectTimeout: const Duration(seconds: 15),
receiveTimeout: const Duration(seconds: 60),
headers: {'Content-Type': 'application/json'},
)) {
_dio.interceptors.add(_AuthInterceptor(this));
_dio.interceptors.add(LogInterceptor(requestBody: true, responseBody: false));
}
Dio get dio => _dio;
Future<String?> get accessToken => _db.read('access_token');
Future<String?> get refreshToken => _db.read('refresh_token');
Future<void> saveTokens(String access, String refresh) async {
await _db.write('access_token', access);
await _db.write('refresh_token', refresh);
}
Future<void> clearTokens() async {
await _db.deleteAll();
}
/// 带 token 的 GET 请求
Future<Response> get(String path, {Map<String, dynamic>? queryParameters}) async {
return _dio.get(path, queryParameters: queryParameters);
}
/// 带 token 的 POST 请求
Future<Response> post(String path, {dynamic data}) async {
return _dio.post(path, data: data);
}
/// 带 token 的 PUT 请求
Future<Response> put(String path, {dynamic data}) async {
return _dio.put(path, data: data);
}
/// 带 token 的 DELETE 请求
Future<Response> delete(String path) async {
return _dio.delete(path);
}
}
/// 认证拦截器:自动注入 token + 401 刷新
class _AuthInterceptor extends Interceptor {
final ApiClient _client;
_AuthInterceptor(this._client);
@override
void onRequest(RequestOptions options, RequestInterceptorHandler handler) async {
if (!options.path.contains('/auth/')) {
final token = await _client.accessToken;
if (token != null) {
options.headers['Authorization'] = 'Bearer $token';
}
}
handler.next(options);
}
@override
void onError(DioException err, ErrorInterceptorHandler handler) async {
if (err.response?.statusCode == 401) {
final refresh = await _client.refreshToken;
if (refresh != null) {
try {
final response = await Dio(BaseOptions(baseUrl: baseUrl))
.post('/api/auth/refresh', data: {'refreshToken': refresh});
final data = response.data['data'];
if (data != null) {
await _client.saveTokens(data['accessToken'], data['refreshToken']);
final opts = err.requestOptions;
final token = data['accessToken'];
opts.headers['Authorization'] = 'Bearer $token';
final retryResponse = await Dio(BaseOptions(baseUrl: baseUrl)).fetch(opts);
return handler.resolve(retryResponse);
}
} catch (_) {}
}
await _client.clearTokens();
}
handler.next(err);
}
}