ykt-web/src/router/index.js

import router from './routers'
import store from '@/store'
import Config from '@/settings'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // getToken from cookie
import { buildMenus } from '@/api/system/menu'
import { filterAsyncRouter } from '@/store/modules/permission'
import { decrypt } from '@/utils/jsencrypt'
NProgress.configure({ showSpinner: false }) // NProgress Configuration

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

router.beforeEach((to, from, next) => {
  if (to.meta.title) {
    document.title = to.meta.title + ' - ' + Config.title
  }
  NProgress.start()
  const url = window.location.hash
  if (url.indexOf('userNameSaaS') > 0 && url.indexOf('passWordSaaS') > 0) {
    if (store.getters.roles.length === 0) {
      const params = {
        username: undefined,
        password: undefined
      }
      const data = url.split('login?userNameSaaS=')[1].split('&passWordSaaS=')
      params.username = decrypt(decodeURIComponent(data[0]))
      params.password = decrypt(decodeURIComponent(data[1]))
      store.dispatch('Login', params).then((res) => {
        store.dispatch('GetInfo').then(() => {
          loadMenus(next, to)
        })
      }).catch(() => {
        next()
      })
    } else {
      next()
    }
  } else {
    if (getToken()) {
      // 已登录且要跳转的页面是登录页
      if (to.path === '/login') {
        next({ path: '/' })
        NProgress.done()
      } 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('GetInfo').then(() => { // 拉取user_info
            // 动态路由，拉取菜单
            loadMenus(next, to)
          }).catch(() => {
            store.dispatch('LogOut').then(() => {
              location.reload() // 为了重新实例化vue-router对象 避免bug
            })
          })
          // 登录时未拉取 菜单，在此处拉取
        } else if (store.getters.loadMenus) {
          // 修改成false，防止死循环
          store.dispatch('updateLoadMenus')
          loadMenus(next, to)
        } else {
          next()
        }
      }
    } else {
      /* has no token*/
      if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单，直接进入
        next()
      } else if (to.path === '/sso') {
        next()
      } else {
        next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
        NProgress.done()
      }
    }
  }
})

export const loadMenus = (next, to) => {
  buildMenus().then(res => {
    const sdata = JSON.parse(JSON.stringify(res))
    const rdata = JSON.parse(JSON.stringify(res))
    const sidebarRoutes = filterAsyncRouter(sdata)
    const rewriteRoutes = filterAsyncRouter(rdata, true)
    rewriteRoutes.push({ path: '*', redirect: '/404', hidden: true })

    store.dispatch('GenerateRoutes', rewriteRoutes).then(() => { // 存储路由
      router.addRoutes(rewriteRoutes) // 动态添加可访问路由表
      next({ ...to, replace: true })
    })
    store.dispatch('SetSidebarRouters', sidebarRoutes)
  })
}

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