pointsMall-admin/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' // 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
//自定义路由
const myRoles = [
  'goodsManage', 
  'goodsExchangeRules', 
  'goodsList', 
  'giftManage', 
  'giftExchangeRules', 
  'giftList', 
  'welfareManage', 
  'welfareList', 
  'exchangeManage', 
  'exchangeList',
  'approvalList',
  'pasList',
  'voidList',

  'pointManage', 
  'pointInstructions', 
  'pointRulesList', 
  'pointList', 
  'pointsDetailList',
  'activityManage', 
  'activityList', 
  'noticeManage', 
  'noticeList', 
  'ranking',
  'rankingList',
  // 'medalManage', 
  // 'medalList', 
  'commendManage', 
  'commendList', 
  'festivalManage', 
  'festivalList', 
  'certManage', 
  'certRules',
  'certList', 
  'dictManage', 
  'dictList', 
  'dictDataList', 
]

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 => {
          store.dispatch('GetUserMenus').then(res => { // 拉取user_info
            const roles = res.data.data // note: roles must be a array! such as: ['editor','develop']
            // const roles = myRoles;
            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
})