import axios, { AxiosInstance, AxiosError, AxiosRequestConfig, AxiosResponse } from "axios"; import { showFullScreenLoading, tryHideFullScreenLoading } from "@/config/serviceLoading"; import { ResultData } from "@/api/interface"; import { ResultEnum } from "@/enums/httpEnum"; import { checkStatus } from "./helper/checkStatus"; import { ElMessage } from "element-plus"; import { GlobalStore } from "@/stores"; import { LOGIN_URL } from "@/config/config"; import router from "@/routers"; // import { useRoute, useRouter } from "vue-router"; // const router = useRouter(); const config = { // 默认地址请求地址,可在 .env.*** 文件中修改 baseURL: import.meta.env.VITE_API_URL as string, // baseURL: import.meta.env.NODE_ENV=='development' ?'/api' : window.http, // 设置超时时间(10s) timeout: ResultEnum.TIMEOUT as number, // 跨域时候允许携带凭证 withCredentials: true }; class RequestHttp { service: AxiosInstance; public constructor(config: AxiosRequestConfig) { // 实例化axios 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: AxiosRequestConfig) => { const globalStore = GlobalStore(); // * 如果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: { headers: { noLoading: true } }来控制不显示loading,参见loginApi config.headers!.noLoading || showFullScreenLoading(); const token = globalStore.token; if (token && config.headers) { config.headers.Authorization = `Bearer ${token}`; } return { ...config, headers: { ...config.headers, token } }; }, (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) => { const { data } = response; const globalStore = GlobalStore(); // * 在请求结束后,并关闭请求 loading tryHideFullScreenLoading(); // * 登陆失效(code == 401) if (data.code == ResultEnum.OVERDUE) { ElMessage.error(data.message); globalStore.resetStore(); return Promise.reject(data); } // * 全局错误信息拦截(防止下载文件得时候返回数据流,没有code,直接报错) if (data.code && Number(data.code) !== ResultEnum.SUCCESS) { ElMessage.error(data.message); return Promise.reject(data); } // * 成功请求(在页面上除非特殊情况,否则不用在页面处理失败逻辑) return data; }, async (error: AxiosError) => { const { response } = error; const globalStore = GlobalStore(); 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"); if (error.message.indexOf("Request failed with status code 401") !== -1) { // ElMessage.error("登录已过期,请重新登录"); globalStore.resetStore(); router.replace(LOGIN_URL); } // 根据响应的错误状态码,做不同的处理 // if (response) checkStatus(response.status); // 根据响应的错误状态码,抛出异常错误信息 if (response) ElMessage.error((response.data as AxiosError).message); // 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); } ); } // * 常用请求方法封装 get(url: string, params?: object, _object = {}): Promise> { return this.service.get(url, { params, ..._object }); } post(url: string, params?: object, _object = {}): Promise> { return this.service.post(url, params, _object); } put(url: string, params?: object, _object = {}): Promise> { return this.service.put(url, params, _object); } delete(url: string, params?: any, _object = {}): Promise> { return this.service.delete(url, { params, ..._object }); } download(url: string, params?: object, _object = {}): Promise { return this.service.post(url, params, { ..._object, responseType: "blob" }); } } export default new RequestHttp(config);