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guangya_flutter/lib/core/http/dio_client.dart
T

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Dart

import 'dart:io';
import 'package:dio/dio.dart';
import 'package:dio/io.dart';
import '../config/app_config.dart';
import '../storage/storage_manager.dart';
import 'interceptors/app_log_interceptor.dart';
import 'interceptors/auth_interceptor.dart';
import 'interceptors/response_interceptor.dart';
class DioClient {
static late Dio dio;
static late Dio accountDio;
static AuthInterceptor? _authInterceptor;
/// 初始化 DIO 客户端
static void init({OnLogout? onLogout}) {
_authInterceptor = AuthInterceptor(onLogout: onLogout);
dio = _createDio(
baseUrl: AppConfig.apiBase,
interceptors: [
_authInterceptor!,
AppLogInterceptor(),
ResponseInterceptor(),
],
);
accountDio = _createDio(
baseUrl: AppConfig.accountBase,
interceptors: [AppLogInterceptor(), ResponseInterceptor()],
);
}
/// 更新 API baseUrl 并同步到 DioClient
static void updateBaseUrl(String apiBase, {String? accountBase}) {
dio.options.baseUrl = apiBase;
if (accountBase != null) {
accountDio.options.baseUrl = accountBase;
}
}
/// 设置变更后重建连接客户端,让全局 HTTP 代理立即生效。
static void updateNetworkProxy() {
_configureHttpClient(dio);
_configureHttpClient(accountDio);
}
/// 重新设置 onLogout 回调(例如切换 provider 时)
static void setOnLogout(OnLogout? onLogout) {
if (_authInterceptor != null) {
_authInterceptor = AuthInterceptor(onLogout: onLogout);
dio.interceptors.removeWhere((i) => i is AuthInterceptor);
dio.interceptors.insert(0, _authInterceptor!);
}
}
static Dio _createDio({
required String baseUrl,
required List<Interceptor> interceptors,
}) {
final dio = Dio(
BaseOptions(
baseUrl: baseUrl,
connectTimeout: const Duration(seconds: 10),
receiveTimeout: const Duration(seconds: 30),
sendTimeout: const Duration(seconds: 30),
headers: {
'Accept': 'application/json, text/plain, */*',
'Content-Type': 'application/json',
'Origin': 'https://www.guangyapan.com',
'Referer': 'https://www.guangyapan.com/',
'User-Agent':
'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36',
},
),
);
_configureHttpClient(dio);
dio.interceptors.addAll(interceptors);
return dio;
}
static void _configureHttpClient(Dio dio) {
dio.httpClientAdapter.close(force: true);
final adapter = IOHttpClientAdapter();
adapter.createHttpClient = () {
final client = HttpClient()
..maxConnectionsPerHost = Platform.isWindows ? 10 : 6
..idleTimeout = const Duration(seconds: 60);
final host = StorageManager.networkProxyHost;
final port = StorageManager.networkProxyPort;
if (host.isNotEmpty && port.isNotEmpty) {
client.findProxy = (_) => 'PROXY $host:$port';
}
return client;
};
dio.httpClientAdapter = adapter;
}
}