import axios, { AxiosError, AxiosInstance, AxiosResponse, InternalAxiosRequestConfig } from 'axios'
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import { ElMessage, ElMessageBox, ElNotification } from 'element-plus'
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import qs from 'qs'
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import { config } from '@/config/axios/config'
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import { getAccessToken, getRefreshToken, getTenantId, removeToken, setToken } from '@/utils/auth'
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import errorCode from './errorCode'
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import { resetRouter } from '@/router'
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import { deleteUserCache } from '@/hooks/web/useCache'
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const tenantEnable = import.meta.env.VITE_APP_TENANT_ENABLE
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const { result_code, base_url, request_timeout } = config
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// 需要忽略的提示。忽略后,自动 Promise.reject('error')
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const ignoreMsgs = [
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'无效的刷新令牌', // 刷新令牌被删除时,不用提示
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'刷新令牌已过期' // 使用刷新令牌,刷新获取新的访问令牌时,结果因为过期失败,此时需要忽略。否则,会导致继续 401,无法跳转到登出界面
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]
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// 是否显示重新登录
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export const isRelogin = { show: false }
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// Axios 无感知刷新令牌,参考 https://www.dashingdog.cn/article/11 与 https://segmentfault.com/a/1190000020210980 实现
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// 请求队列
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let requestList: any[] = []
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// 是否正在刷新中
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let isRefreshToken = false
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// 请求白名单,无须token的接口
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const whiteList: string[] = ['/login', '/refresh-token']
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// 创建axios实例
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const service: AxiosInstance = axios.create({
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baseURL: base_url, // api 的 base_url
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timeout: request_timeout, // 请求超时时间
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withCredentials: false, // 禁用 Cookie 等信息
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// 自定义参数序列化函数
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paramsSerializer: (params) => {
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return qs.stringify(params, { allowDots: true })
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}
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})
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// request拦截器
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service.interceptors.request.use(
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(config: InternalAxiosRequestConfig) => {
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// 是否需要设置 token
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let isToken = (config!.headers || {}).isToken === false
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whiteList.some((v) => {
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if (config.url && config.url.indexOf(v) > -1) {
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return (isToken = false)
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}
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})
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if (getAccessToken() && !isToken) {
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config.headers.Authorization = 'Bearer ' + getAccessToken() // 让每个请求携带自定义token
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}
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// 设置租户
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if (tenantEnable && tenantEnable === 'true') {
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const tenantId = getTenantId()
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if (tenantId) config.headers['tenant-id'] = tenantId
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}
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const method = config.method?.toUpperCase()
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// 防止 GET 请求缓存
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if (method === 'GET') {
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config.headers['Cache-Control'] = 'no-cache'
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config.headers['Pragma'] = 'no-cache'
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}
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// 自定义参数序列化函数
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else if (method === 'POST') {
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const contentType = config.headers['Content-Type'] || config.headers['content-type']
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if (contentType === 'application/x-www-form-urlencoded') {
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if (config.data && typeof config.data !== 'string') {
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config.data = qs.stringify(config.data)
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}
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}
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}
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return config
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},
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(error: AxiosError) => {
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// Do something with request error
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console.log(error) // for debug
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return Promise.reject(error)
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}
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)
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// response 拦截器
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service.interceptors.response.use(
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async (response: AxiosResponse<any>) => {
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let { data } = response
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const config = response.config
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if (!data) {
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// 返回“[HTTP]请求没有返回值”;
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throw new Error()
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}
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const { t } = useI18n()
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// 未设置状态码则默认成功状态
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// 二进制数据则直接返回,例如说 Excel 导出
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if (
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response.request.responseType === 'blob' ||
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response.request.responseType === 'arraybuffer'
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) {
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// 注意:如果导出的响应为 json,说明可能失败了,不直接返回进行下载
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if (response.data.type !== 'application/json') {
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return response.data
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}
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data = await new Response(response.data).json()
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}
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const code = data.code || result_code
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// 获取错误信息
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const msg = data.msg || errorCode[code] || errorCode['default']
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if (ignoreMsgs.indexOf(msg) !== -1) {
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// 如果是忽略的错误码,直接返回 msg 异常
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return Promise.reject(msg)
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} else if (code === 401) {
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// 如果未认证,并且未进行刷新令牌,说明可能是访问令牌过期了
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if (!isRefreshToken) {
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isRefreshToken = true
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// 1. 如果获取不到刷新令牌,则只能执行登出操作
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if (!getRefreshToken()) {
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return handleAuthorized()
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}
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// 2. 进行刷新访问令牌
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try {
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const refreshTokenRes = await refreshToken()
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// 2.1 刷新成功,则回放队列的请求 + 当前请求
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setToken((await refreshTokenRes).data.data)
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config.headers!.Authorization = 'Bearer ' + getAccessToken()
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requestList.forEach((cb: any) => {
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cb()
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})
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requestList = []
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return service(config)
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} catch (e) {
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// 为什么需要 catch 异常呢?刷新失败时,请求因为 Promise.reject 触发异常。
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// 2.2 刷新失败,只回放队列的请求
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requestList.forEach((cb: any) => {
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cb()
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})
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// 提示是否要登出。即不回放当前请求!不然会形成递归
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return handleAuthorized()
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} finally {
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requestList = []
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isRefreshToken = false
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}
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} else {
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// 添加到队列,等待刷新获取到新的令牌
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return new Promise((resolve) => {
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requestList.push(() => {
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config.headers!.Authorization = 'Bearer ' + getAccessToken() // 让每个请求携带自定义token 请根据实际情况自行修改
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resolve(service(config))
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})
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})
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}
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} else if (code === 500) {
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ElMessage.error(t('sys.api.errMsg500'))
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return Promise.reject(new Error(msg))
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} else if (code === 901) {
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ElMessage.error({
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offset: 300,
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dangerouslyUseHTMLString: true,
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message:
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'<div>' +
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t('sys.api.errMsg901') +
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'</div>' +
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'<div> </div>' +
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'<div>参考 https://doc.iailab.cn/ 教程</div>' +
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'<div> </div>' +
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'<div>5 分钟搭建本地环境</div>'
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})
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return Promise.reject(new Error(msg))
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} else if (code !== 200) {
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if (msg === '无效的刷新令牌') {
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// hard coding:忽略这个提示,直接登出
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console.log(msg)
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return handleAuthorized()
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} else {
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ElNotification.error({ title: msg })
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}
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return Promise.reject('error')
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} else {
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return data
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}
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},
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(error: AxiosError) => {
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console.log('err' + error) // for debug
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let { message } = error
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const { t } = useI18n()
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if (message === 'Network Error') {
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message = t('sys.api.errorMessage')
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} else if (message.includes('timeout')) {
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message = t('sys.api.apiTimeoutMessage')
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} else if (message.includes('Request failed with status code')) {
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message = t('sys.api.apiRequestFailed') + message.substr(message.length - 3)
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}
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ElMessage.error(message)
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return Promise.reject(error)
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}
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)
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const refreshToken = async () => {
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axios.defaults.headers.common['tenant-id'] = getTenantId()
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return await axios.post(base_url + '/system/auth/refresh-token?refreshToken=' + getRefreshToken())
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}
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const handleAuthorized = () => {
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const { t } = useI18n()
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if (!isRelogin.show) {
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isRelogin.show = true
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ElMessageBox.confirm(t('sys.api.timeoutMessage'), t('common.confirmTitle'), {
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showCancelButton: false,
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closeOnClickModal: false,
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showClose: false,
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closeOnPressEscape: false,
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confirmButtonText: t('login.relogin'),
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type: 'warning'
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}).then(() => {
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resetRouter() // 重置静态路由表
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deleteUserCache() // 删除用户缓存
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removeToken()
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isRelogin.show = false
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// 干掉token后再走一次路由让它过router.beforeEach的校验
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window.location.href = window.location.href
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})
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}
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return Promise.reject(t('sys.api.timeoutMessage'))
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}
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export { service }
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