cz-hjjc-ht/src/permission.js

import router from './router'
import store from './store'
import {
  Message
} from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import {
  getToken
} from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import { loginOssV2, loginOss } from "@/api/user"
import { setToken, removeToken } from "@/utils/auth";

NProgress.configure({
  showSpinner: false
}) // NProgress Configuration

const whiteList = ['/login','/preview'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start()
  store.commit('app/SET_ISINIFRAME')

  // set page title
  document.title = getPageTitle(to.meta.title)

  if (to.query.token) {
    removeToken()
    const res = await loginOss({
      auth_token: to.query.token
    })
    setToken(res.access_token)
    store.commit('user/SET_TOKEN',res.access_token)

    const {
      roles
    } = await store.dispatch('user/getInfo')

    // generate accessible routes map based on roles
    const accessRoutes = await store.dispatch('permission/generateRoutes', roles)

    // dynamically add accessible routes
    router.addRoutes(accessRoutes)

    delete to.query.token
    next({
      ...to,
      replace: true
    })
    return
  }
  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      // determine whether the user has obtained his permission roles through getInfo
      const hasRoles = store.getters.roles && store.getters.roles.length > 0
      if (hasRoles) {
        next()
      } else {
        try {
          // get user info
          // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
          const {
            roles
          } = await store.dispatch('user/getInfo')

          // generate accessible routes map based on roles
          const accessRoutes = await store.dispatch('permission/generateRoutes', roles)

          // dynamically add accessible routes
          router.addRoutes(accessRoutes)

          // hack method to ensure that addRoutes is complete
          // set the replace: true, so the navigation will not leave a history record
          next({
            ...to,
            replace: true
          })
        } catch (error) {
          console.log(error)
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})