86 lines
2.6 KiB
Dart
86 lines
2.6 KiB
Dart
import 'package:dio/dio.dart';
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import 'package:flutter_jdt_store/utils/utils.dart';
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class Request {
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// 构造函数
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Request() {
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init();
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}
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static final Dio _dio = Dio();
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static void init() {
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// 基本配置
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_dio.options.baseUrl =
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"https://www.wanzhuanyongcheng.cn/app"; // 替换为你的 API 地址
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_dio.options.connectTimeout = const Duration(seconds: 15); // 连接超时时间，单位是毫秒
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_dio.options.receiveTimeout = const Duration(seconds: 15); // 接收超时时间，单位是毫秒
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_dio.options.headers["Content-Type"] = "application/json; charset=utf-8";
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_dio.options.headers["token"] = StorageUtil().getString("token");
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// 添加请求拦截器
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_dio.interceptors.add(InterceptorsWrapper(
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onRequest: (options, handler) {
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// 在请求被发送之前做一些事情
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return handler.next(options); // 必须返回 options
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},
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));
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// 添加响应拦截器
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_dio.interceptors.add(InterceptorsWrapper(
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onResponse: (response, handler) {
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// 在响应被处理之前做一些事情
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final Map<String, dynamic> data = response.data;
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// 状态码不等于200时抛出异常
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if (data["code"] != 200) {
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ToolFn.tips(data["msg"].toString());
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throw DioException(
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requestOptions: response.requestOptions,
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response: response,
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error: data["msg"],
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);
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}
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return handler.next(response); // 必须返回 response
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},
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onError: (DioException e, handler) {
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// 在响应错误被处理之前做一些事情
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return handler.next(e); // 必须返回 error
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},
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));
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}
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static Future<T> get<T>(String path, {Map<String, dynamic>? params}) async {
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try {
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final Response<T> response =
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await _dio.get<T>(path, queryParameters: params);
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return response.data!;
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} catch (error) {
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throw _handleError(error);
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}
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}
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static Future<T> post<T>(String path, {Map<String, dynamic>? data}) async {
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try {
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final Response<T> response = await _dio.post<T>(path, data: data);
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return response.data!;
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} catch (error) {
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throw _handleError(error);
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}
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}
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// 处理错误
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static Exception _handleError(error) {
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if (error is DioException) {
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String message = "网络请求失败";
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if (error.response != null && error.response!.data != null) {
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message = error.response!.data.toString();
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}
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return Exception(message);
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} else {
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return Exception("未知错误");
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}
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}
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}
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