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admin-web-master/src/permission.js 2.88 KB
3f535f30   杨鑫   '初始'
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  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 {
    getUserId,
    getToken
  } from '@/utils/auth' // get token from cookie
  import {
    adminBuild
  } from '@/api/user.js'
  import { filterAsyncRouter } from '@/store/modules/permission.js'
  import getPageTitle from '@/utils/get-page-title'
  
  NProgress.configure({
    showSpinner: false
  }) // NProgress Configuration
  
  const whiteList = ['/login'] // no redirect whitelist
  
  router.beforeEach(async(to, from, next) => {
    // start progress bar
    NProgress.start()
    // set page title
    document.title = getPageTitle(to.meta.title)
  
    // 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 {
  
        // if (store.getters.routers.length === 0) {}
        // const hasGetUserInfo = store.getters.name
        // if (hasGetUserInfo) {
        //   console.log('hasGetUserInfo')
        //   // console.log('hasGetUserInfo', hasGetUserInfo)
        //   next()
        // }
        if (store.getters.routers.length === 0) { // 条件加载
          loadMenus(next, to)
  
          store.commit('SET_LOAD', true)
        } else if (!store.getters.hasLoad) { // 是否加载过动态路由
          // // 修改hasLoad为false,防止死循环
  
          store.commit('SET_LOAD', true)
          loadMenus(next, to)
        } else {
  
          try {
  
            next()
          } catch (error) {
            // remove token and go to login page to re-login
            await store.dispatch('user/resetToken')
            Message.error(error || 'Has Error')
            next(`/login?redirect=${to.path}`)
            NProgress.done()
          }
        }
      }
    } else {
      /* has no token*/
      if (whiteList.indexOf(to.path) !== -1) {
        // in the free login whitelist, go directly
        console.log('no token')
        next()
      } else {
        // other pages that do not have permission to access are redirected to the login page.
        next(`/login?redirect=${to.path}`)
        NProgress.done()
      }
    }
  })
  
  export const loadMenus = (next, to) => {
    adminBuild({ platformUserId: getUserId() }).then(res => {
      const asyncRouter = filterAsyncRouter(res.data)
      // 画布设置
      asyncRouter.forEach(item => {
  
        if (item.path.indexOf('.html') !== -1) {
          item.path = item.path + '?' + getToken()
        }
      })
      // 异常跳转添加
      asyncRouter.push({ path: '*', redirect: '/404', hidden: true })
      store.dispatch('GenerateRoutes', asyncRouter).then(() => { // 存储路由
        router.addRoutes(asyncRouter) // 动态添加可访问路由表
        next({ ...to, replace: true })
      })
    })
  }
  
  router.afterEach(() => {
    // finish progress bar
    NProgress.done()
  })