xlb-main-login/src/permission.js

``` yarn install ```

import Vue from 'vue'
import router from './router'
import store from './store'
import { ACCESS_TOKEN } from '@/store/mutation-types'
import { forward, initRouter } from './forward'

const whiteList = ['login', 'register', 'forget', 'password', 'respwd', 'authDevelop', 'qiankun'] // no redirect whitelist
const getParam = function (name) {
  const path = location.href
  const reg = new RegExp('(^|\\?|&)' + name + '=([^&]*)(\\s|&|$)', 'i')
  if (reg.test(path)) {
    return unescape(RegExp.$2.replace(/\+/g, ' '))
  }
  return ''
}
// 前置守卫
router.beforeEach((to, from, next) => {
  // 终止前一页的请求
  store.state.requestCancels = []
  const redirectUrl = store.state.auth?.redirectUrl || ''
  const token = getParam('access_token') || window.sessionStorage.getItem('access_token')

  if (whiteList.includes(to.name)) {
    // 在免登录白名单，直接进入
    next()
  } else if (Vue.ls.get(ACCESS_TOKEN) || token) {
    /* has token */
    // next()

    if (token) {
      window.sessionStorage.setItem('access_token', token)
      Vue.ls.set(ACCESS_TOKEN, token)
    } else {
      window.sessionStorage.removeItem('access_token')
    }
    initRouter()
    if (to.name !== 'home') {
      forward(to, from, next)
    } else {
      next()
    }
  } else if (redirectUrl !== '') {
    location.href = redirectUrl + '?redirectUrl=' + location.href
  } else {
    const loginPath = {
      path: '/login',
    }
    if (to.fullPath !== '/') {
      loginPath.query = {
        redirect: to.fullPath,
      }
    }
    next(loginPath)
  }
})