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 { useUserStore } from '@/stores/modules/user' import router from '@/routers' export interface CustomAxiosRequestConfig extends InternalAxiosRequestConfig { loading?: 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_URL 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, // post请求指定数据类型以及编码 headers: { 'Content-Type': 'application/json;charset=utf-8' }, } class RequestHttp { service: AxiosInstance public constructor(config: AxiosRequestConfig) { // 创建实例 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() // 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 ?? (config.loading = true) config.loading && showFullScreenLoading() if (config.headers && typeof config.headers.set === 'function') { config.headers.set('Authorization', 'Bearer ' + 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) => { const { data } = response const userStore = useUserStore() tryHideFullScreenLoading() // 登陆失效 if (data.code == ResultEnum.OVERDUE) { userStore.setToken('') userStore.setUserInfo({ name: '' }) router.replace(LOGIN_URL) ElMessage.error(data.message) 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.message) 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) 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(url: string, params?: object, _object = {}): Promise> { return this.service.get(url, { params, ..._object }) } post(url: string, params?: object | string, _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' }) } upload(url: string, params?: object, _object = {}): Promise { return this.service.post(url, params, { ..._object, headers: { 'Content-Type': 'multipart/form-data' } }) } /** * 针对excel的上传,默认返回的是blob类型,Excel没问题时返回json特殊处理 */ uploadExcel(url: string, params?: object, _object = {}): Promise { return this.service.post(url, params, { ..._object, headers: { 'Content-Type': 'multipart/form-data' }, responseType: 'blob', }) } } export default new RequestHttp(config)