TIANHE
129 lines
4.5 KiB
JavaScript
129 lines
4.5 KiB
JavaScript
import router, {
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resetRouter
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} from './router'
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import store from './store'
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import storage from 'store'
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import NProgress from 'nprogress' // progress bar
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import '@/components/NProgress/nprogress.less' // progress bar custom style
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import {
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setDocumentTitle,
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domTitle
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} from '@/utils/domUtil'
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import {
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ACCESS_TOKEN
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} from '@/store/mutation-types'
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import {
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i18nRender
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} from '@/locales'
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NProgress.configure({
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showSpinner: false
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}) // NProgress Configuration
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const allowList = ['login'] // no redirect allowList
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const loginRoutePath = '/user/login'
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const defaultRoutePath = '/dashboard'
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router.beforeEach((to, from, next) => {
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NProgress.start() // start progress bar
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to.meta && typeof to.meta.title !== 'undefined' && setDocumentTitle(`${i18nRender(to.meta.title)} - ${domTitle}`)
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// Check whether we have a token (local-only auth).
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// 处理 token 可能是字符串或对象的情况
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let token = storage.get(ACCESS_TOKEN)
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if (token && typeof token !== 'string') {
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token = token.token || token.value || (typeof token === 'object' ? null : token)
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}
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token = typeof token === 'string' ? token : null
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if (token) {
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// 有 token，允许访问所有页面
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// 如果访问登录页，跳转到默认页面
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if (to.path === loginRoutePath) {
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next({ path: defaultRoutePath })
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NProgress.done()
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} else {
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// 检查用户信息是否已加载
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if (store.getters.roles.length === 0) {
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store.dispatch('GetInfo')
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.then(res => {
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// 拉取用户信息成功
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// const roles = res && res.role
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// 生成路由
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store.dispatch('GenerateRoutes', { token }).then(() => {
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// 动态添加可访问路由表
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resetRouter() // 重置路由
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store.getters.addRouters.forEach(r => {
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router.addRoute(r)
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})
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// 请求带有 redirect 重定向时，登录自动重定向到该地址
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const redirect = decodeURIComponent(from.query.redirect || to.path)
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if (to.path === redirect) {
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// hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
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next({ ...to, replace: true })
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} else {
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// 跳转到目的路由
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next({ path: redirect })
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}
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})
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})
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.catch((err) => {
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// If token is invalid/expired, clear local auth and redirect to login.
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const status = err && err.response && err.response.status
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if (status === 401) {
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store.dispatch('Logout').finally(() => {
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next({ path: loginRoutePath, query: { redirect: to.fullPath } })
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NProgress.done()
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})
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return
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}
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// Do NOT hard-logout on transient failures (backend down, proxy issue, etc).
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// Instead, degrade gracefully with a default role and continue.
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store.commit('SET_ROLES', [{ id: 'default', permissionList: [] }])
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store.dispatch('GenerateRoutes', { token }).then(() => {
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resetRouter()
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store.getters.addRouters.forEach(r => router.addRoute(r))
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next({ ...to, replace: true })
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}).catch(() => {
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next()
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})
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})
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} else {
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// 检查路由是否已初始化
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const addRouters = store.getters.addRouters
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// 如果路由未初始化，先初始化路由
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if (!addRouters || addRouters.length === 0) {
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store.dispatch('GenerateRoutes', { token }).then(() => {
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// 动态添加可访问路由表
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resetRouter() // 重置路由 防止退出重新登录或者 token 过期后页面未刷新，导致的路由重复添加
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store.getters.addRouters.forEach(r => {
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router.addRoute(r)
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})
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// 重新进入当前路由，避免首次刷新空白
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next({ ...to, replace: true })
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}).catch(() => {
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next()
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})
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} else {
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next()
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}
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}
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}
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} else {
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// 没有 token
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if (allowList.includes(to.name)) {
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// 在免登录名单，直接进入
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next()
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} else {
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// 跳转到登录页
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next({ path: loginRoutePath, query: { redirect: to.fullPath } })
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NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
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}
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}
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})
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router.afterEach(() => {
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NProgress.done() // finish progress bar
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})
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