read_opc/chuanyi-admin/src/permission.js

import router from './router'
import store from './store'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import { getToken, removeAll, removeToken } from '@/utils/auth'
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false })

// 白名单
const whiteList = ['/login']

router.beforeEach(async(to, from, next) => {
  NProgress.start()
  document.title = getPageTitle(to.meta.title)
  const hasToken = getToken()
  if (hasToken) {
    if (to.path === '/login') {
      next()
      removeToken()
      NProgress.done()
    } else {
      // if (to.matched.length === 0) {
      //   next('/404')
      //   NProgress.done()
      // }
      const hasRoles = store.getters.roles && store.getters.roles.length > 0

      if (hasRoles) {
        next()
      } else {
        try {
          // 获取用户角色信息
          const { userId, roleList } = await store.dispatch('user/getInfo')

          // 用户未分配角色
          if (!roleList.length) {
            removeAll()
            router.push('/login')
            return
          }

          // 路由权限配置
          const accessRoutes = await store.dispatch('permission/GenerateRoutes', userId)

          // 路由添加
          router.addRoutes(accessRoutes)

          // 循环判断角色
          next({ ...to, replace: true })
        } catch (error) {
          console.log(error)
          await store.dispatch('user/resetToken')
          next(`/login?redirect=${to.fullPath}`)
          NProgress.done()
        }
      }
    }
  } else {
    if (whiteList.indexOf(to.path) !== -1) {
      next()
    } else {
      next(`/login?redirect=${to.fullPath}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})