import 'package:dio/dio.dart'; final baseOptions = BaseOptions( baseUrl: 'http://10.0.2.2:8000/api', connectTimeout: const Duration(seconds: 5), receiveTimeout: const Duration(seconds: 5), ); var request = Dio(baseOptions) ..interceptors.add( InterceptorsWrapper( onRequest: (RequestOptions options, RequestInterceptorHandler handler) { String baseUrl = options.baseUrl.replaceFirst('/api', ''); options.baseUrl = baseUrl; return handler.next(options); }, onResponse: (Response response, ResponseInterceptorHandler handler) { if (response.statusCode! >= 200 && response.statusCode! < 400) { return handler.resolve(response); } else { handler.reject( DioException.badResponse( statusCode: response.statusCode!, requestOptions: RequestOptions(), response: response, ), ); } }, onError: (DioException e, ErrorInterceptorHandler handler) { // print('错误信息:' + e.response?.data); // print('错误码: ${e.response?.statusCode}'); handler.reject(e); }, ), );