92 lines
2.1 KiB
Dart
92 lines
2.1 KiB
Dart
import 'package:chat/utils/request/http_interceptor.dart';
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import 'package:chat/utils/request/http_options.dart';
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import 'package:dio/dio.dart';
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enum HttpMethod {
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get,
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post,
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put,
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delete,
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patch,
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head,
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}
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class HttpRequest {
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static HttpRequest? _instance;
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static Dio _dio = Dio();
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Dio get dio => _dio;
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HttpRequest._internal() {
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_instance = this;
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_instance!._init();
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}
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factory HttpRequest() => _instance ?? HttpRequest._internal();
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static HttpRequest? getInstance() {
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return _instance ?? HttpRequest._internal();
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}
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/// 取消请求token
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final CancelToken _cancelToken = CancelToken();
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_init() {
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BaseOptions options = BaseOptions(
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baseUrl: HttpOptions.baseUrl,
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connectTimeout: HttpOptions.connectTimeout,
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receiveTimeout: HttpOptions.receiveTimeout,
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);
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_dio = Dio(options);
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/// 添加拦截器
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_dio.interceptors.add(HttpInterceptor());
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}
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/// 请求
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Future request(
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String path, {
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HttpMethod method = HttpMethod.get,
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Map<String, dynamic>? params,
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dynamic data,
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Options? options,
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CancelToken? cancelToken,
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ProgressCallback? onSendProgress,
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ProgressCallback? onReceiveProgress,
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}) async {
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const methodValues = {
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HttpMethod.get: 'get',
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HttpMethod.post: 'post',
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HttpMethod.put: 'put',
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HttpMethod.delete: 'delete',
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HttpMethod.patch: 'patch',
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HttpMethod.head: 'head'
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};
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options ??= Options(method: methodValues[method]);
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try {
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Response response = await _dio.request(
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path,
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data: data,
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queryParameters: params,
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cancelToken: cancelToken ?? _cancelToken,
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options: options,
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onSendProgress: onSendProgress,
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onReceiveProgress: onReceiveProgress,
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);
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// ignore: avoid_print
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print('请求地址：${response.requestOptions.uri}');
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// ignore: avoid_print
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print('响应数据：${response.data}');
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return response.data;
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} on DioError catch (e) {
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throw Exception(e.message);
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}
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}
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/// 取消网络请求
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void cancelRequests({CancelToken? token}) {
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token ?? _cancelToken.cancel('CANCELED');
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}
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}
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