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- import axios, { AxiosInstance, AxiosError, AxiosRequestConfig, InternalAxiosRequestConfig, AxiosResponse } from "axios";
- import { showFullScreenLoading, tryHideFullScreenLoading } from "@/components/Loading/fullScreen";
- import { LOGIN_URL } from "@/config";
- import { ElMessage } from "element-plus";
- import { ResultData } from "@/api/interface";
- import { ResultEnum } from "@/enums/httpEnum";
- import { checkStatus } from "./helper/checkStatus";
- import { AxiosCanceler } from "./helper/axiosCancel";
- import { useUserStore } from "@/stores/modules/user";
- import router from "@/routers";
- export interface CustomAxiosRequestConfig extends InternalAxiosRequestConfig {
- loading?: boolean;
- cancel?: boolean;
- }
- const config = {
- // 默认地址请求地址,可在 .env.** 文件中修改
- baseURL: import.meta.env.VITE_API as string,
- // 设置超时时间
- timeout: ResultEnum.TIMEOUT as number,
- // 跨域时候允许携带凭证
- withCredentials: true
- };
- const axiosCanceler = new AxiosCanceler();
- class RequestHttp {
- service: AxiosInstance;
- public constructor(config: AxiosRequestConfig) {
- // instantiation
- this.service = axios.create(config);
- /**
- * @description 请求拦截器
- * 客户端发送请求 -> [请求拦截器] -> 服务器
- * token校验(JWT) : 接受服务器返回的 token,存储到 vuex/pinia/本地储存当中
- */
- this.service.interceptors.request.use(
- (config: CustomAxiosRequestConfig) => {
- const userStore = useUserStore();
- // 重复请求不需要取消,在 api 服务中通过指定的第三个参数: { cancel: false } 来控制
- config.cancel ??= true;
- config.cancel && axiosCanceler.addPending(config);
- // 当前请求不需要显示 loading,在 api 服务中通过指定的第三个参数: { loading: false } 来控制
- config.loading ??= true;
- config.loading && showFullScreenLoading();
- if (config.headers && typeof config.headers.set === "function") {
- config.headers.set("Authorization", userStore.token);
- }
- return config;
- },
- (error: AxiosError) => {
- return Promise.reject(error);
- }
- );
- /**
- * @description 响应拦截器
- * 服务器换返回信息 -> [拦截统一处理] -> 客户端JS获取到信息
- */
- this.service.interceptors.response.use(
- (response: AxiosResponse & { config: CustomAxiosRequestConfig }) => {
- const { data, config } = response;
- const userStore = useUserStore();
- axiosCanceler.removePending(config);
- config.loading && tryHideFullScreenLoading();
- // 登录失效
- if (data.code == ResultEnum.OVERDUE) {
- userStore.setToken("");
- router.replace(LOGIN_URL);
- ElMessage.error(data.msg);
- return Promise.reject(data);
- }
- // 全局错误信息拦截(防止下载文件的时候返回数据流,没有 code 直接报错)
- if (data.code && data.code !== ResultEnum.SUCCESS) {
- ElMessage.error(data.msg);
- return Promise.reject(data);
- }
- // 成功请求(在页面上除非特殊情况,否则不用处理失败逻辑)
- return data;
- },
- async (error: AxiosError) => {
- const { response } = error;
- tryHideFullScreenLoading();
- // 请求超时 && 网络错误单独判断,没有 response
- if (error.message.indexOf("timeout") !== -1) ElMessage.error("请求超时!请您稍后重试");
- if (error.message.indexOf("Network Error") !== -1) ElMessage.error("网络错误!请您稍后重试");
- // 根据服务器响应的错误状态码,做不同的处理
- if (response.data.message) {
- ElMessage.error(response.data.message);
- } else {
- if (response) checkStatus(response.status);
- }
- // 服务器结果都没有返回(可能服务器错误可能客户端断网),断网处理:可以跳转到断网页面
- if (!window.navigator.onLine) router.replace("/500");
- return Promise.reject(error);
- }
- );
- }
- /**
- * @description 常用请求方法封装
- */
- get<T>(url: string, params?: object, _object = {}): Promise<ResultData<T>> {
- return this.service.get(url, { params, ..._object });
- }
- post<T>(url: string, params?: object | string, _object = {}): Promise<ResultData<T>> {
- console.log(config.baseURL, url, params);
- return this.service.post(url, params, _object);
- }
- put<T>(url: string, params?: object, _object = {}): Promise<ResultData<T>> {
- return this.service.put(url, params, _object);
- }
- delete<T>(url: string, params?: any, _object = {}): Promise<ResultData<T>> {
- return this.service.delete(url, { params, ..._object });
- }
- download(url: string, params?: object, _object = {}): Promise<BlobPart> {
- return this.service.post(url, params, { ..._object, responseType: "blob" });
- }
- }
- export default new RequestHttp(config);
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