text: 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' // getToken from cookie
  
  NProgress.configure({showSpinner: false})// NProgress Configuration
  
  // permissiom judge function
  function hasPermission(roles, permissionRoles) {
      if (roles.indexOf('admin') >= 0) return true // admin permission passed directly
      if (!permissionRoles) return true
      return roles.some(role => permissionRoles.indexOf(role) >= 0)
  }
  
  const whiteList = ['/login', '/authredirect']// no redirect whitelist
  
  router.beforeEach((to, from, next) => {
      NProgress.start() // start progress bar
      if (getToken()) { // determine if there has token
          /* has token*/
          if (to.path === '/login') {
              next({path: '/'})
              NProgress.done() // if current page is dashboard will not trigger	afterEach hook, so manually handle it
          } else {
              if (store.getters.roles.length === 0) { // 判断当前用户是否已拉取完user_info信息
                  store.dispatch('GetUserInfo').then(res => { // 拉取user_info
                      const roles = res.roles // note: roles must be a array! such as: ['editor','develop']
                      store.dispatch('GenerateRoutes', {roles}).then(() => { // 根据roles权限生成可访问的路由表
                          router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
                          next({...to, replace: true}) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
                      })
                  }).catch(() => {
                      store.dispatch('FedLogOut').then(() => {
                          Message.error('Verification failed, please login again')
                          next({path: '/login'})
                      })
                  })
              } else {
                  // 没有动态改变权限的需求可直接next() 删除下方权限判断 ↓
                  if (hasPermission(store.getters.roles, to.meta.roles)) {
                      next()//
                  } else {
                      next({path: '/401', replace: true, query: {noGoBack: true}})
                  }
                  // 可删 ↑
              }
          }
      } else {
          /* has no token*/
          if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单，直接进入
              next()
          } else {
              next('/login') // 否则全部重定向到登录页
              NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
          }
      }
  })
  
  router.afterEach(() => {
      NProgress.done() // finish progress bar
  })
  