144 lines
3.9 KiB
Dart
144 lines
3.9 KiB
Dart
import 'package:dio/dio.dart';
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/// HTTP客户端封装类，提供统一的网络请求接口
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class HTTPClient {
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late Dio _dio;
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final Map<String, String> _cookies = {};
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HTTPClient({String? baseUrl, int timeout = 30000}) {
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_dio = Dio(
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BaseOptions(
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baseUrl: baseUrl ?? '',
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connectTimeout: Duration(milliseconds: timeout),
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receiveTimeout: Duration(milliseconds: timeout),
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sendTimeout: Duration(milliseconds: timeout),
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headers: {
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'User-Agent':
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
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},
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validateStatus: (status) => status != null && status < 500,
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),
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);
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// 添加拦截器用于Cookie管理和日志
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_dio.interceptors.add(
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InterceptorsWrapper(
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onRequest: (options, handler) {
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// 添加Cookie到请求头
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if (_cookies.isNotEmpty) {
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final cookieStr = _cookies.entries
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.map((e) => '${e.key}=${e.value}')
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.join('; ');
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options.headers['Cookie'] = cookieStr;
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}
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// 打印请求信息
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print('🌐 ${options.method} ${options.uri}');
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return handler.next(options);
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},
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onResponse: (response, handler) {
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// 从响应中提取Cookie
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final setCookie = response.headers['set-cookie'];
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if (setCookie != null) {
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for (var cookie in setCookie) {
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_parseCookie(cookie);
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}
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}
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final statusCode = response.statusCode ?? 0;
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// 如果状态码 >= 400，打印详细错误信息
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if (statusCode >= 400) {
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print(
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'❌ Response Error: $statusCode ${response.requestOptions.uri}',
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);
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print('❌ Response Headers: ${response.headers}');
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print('❌ Response Data: ${response.data}');
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} else {
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// 正常响应只打印状态码
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print('✅ $statusCode ${response.requestOptions.uri}');
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}
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return handler.next(response);
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},
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onError: (error, handler) {
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print('❌ HTTP Error: ${error.message}');
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print('❌ Error type: ${error.type}');
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print(
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'❌ Request: ${error.requestOptions.method} ${error.requestOptions.uri}',
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);
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if (error.response != null) {
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print('❌ Status code: ${error.response?.statusCode}');
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print('❌ Response Headers: ${error.response?.headers}');
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print('❌ Response Data: ${error.response?.data}');
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}
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return handler.next(error);
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},
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),
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);
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}
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/// 解析Cookie字符串并存储
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void _parseCookie(String cookieStr) {
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final parts = cookieStr.split(';')[0].split('=');
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if (parts.length == 2) {
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_cookies[parts[0].trim()] = parts[1].trim();
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}
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}
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/// GET请求
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Future<Response> get(
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String path, {
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Map<String, dynamic>? params,
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Options? options,
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}) async {
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return await _dio.get(path, queryParameters: params, options: options);
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}
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/// POST请求
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Future<Response> post(
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String path, {
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dynamic data,
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Map<String, dynamic>? queryParameters,
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Options? options,
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}) async {
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return await _dio.post(
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path,
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data: data,
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queryParameters: queryParameters,
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options: options,
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);
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}
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/// 设置Cookie
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void setCookie(String name, String value) {
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_cookies[name] = value;
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}
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/// 获取Cookie
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String? getCookie(String name) {
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return _cookies[name];
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}
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/// 获取所有Cookie
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Map<String, String> getAllCookies() {
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return Map.from(_cookies);
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}
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/// 清除所有Cookie
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void clearCookies() {
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_cookies.clear();
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}
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/// 关闭客户端
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void close() {
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_dio.close();
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}
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/// 获取Dio实例（用于高级操作）
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Dio get dio => _dio;
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}
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