cd-work-flow-ding/src/permission.js

import Vue from 'vue'
import router from './router'
import store from './store'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import notification from 'ant-design-vue/es/notification'
import { ACCESS_TOKEN } from '@/store/mutation-types'
import { generateIndexRouter } from '@/utils/util'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

// 需授权路径
const whiteList = ['/user/login', '/user/todo', '/user/register', '/user/register-result', '/user/alteration'] // no redirect whitelist

router.beforeEach((to, from, next) => {
    NProgress.start() // start progress bar

    if (Vue.ls.get(ACCESS_TOKEN)) {
    /* has token */
        if (to.path === '/user/login') {
            // next({ path: '/dashboard/workplace' }) // 原始
            next({ path: '/user/todo' })
            NProgress.done()
        } else {
            if (store.getters.permissionList.length === 0) {
                store
                    .dispatch('GetPermissionList')
                    .then(res => {
                        const menuData = res.result.menu
                        console.log('res.maessage:', res.message) // 控制台打印  查询成功
                        // console.log('应该打印出该页面书需要的数据')
                        if (menuData === null || menuData === '' || menuData === undefined) {
                            return
                        }
                        let constRoutes = []
                        constRoutes = generateIndexRouter(menuData)
                        // 添加主界面路由
                        store.dispatch('UpdateAppRouter', { constRoutes }).then(() => {
                            // 根据roles权限生成可访问的路由表
                            // 动态添加可访问路由表
                            router.addRoutes(store.getters.addRouters)
                            const redirect = decodeURIComponent(from.query.redirect || to.path)
                            if (to.path === redirect) {
                                // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
                                next({ ...to, replace: true })
                            } else {
                                // 跳转到目的路由
                                next({ path: redirect })
                            }
                        })
                    })
                    .catch(() => {
                        /* notification.error({
              message: '系统提示',
              description: '请求用户信息失败，请重试！'
            }) */
                        store.dispatch('Logout').then(() => {
                            next({ path: '/user/login', query: { redirect: to.fullPath } })
                        })
                    })
            } else {
                next()
            }
        }
    } else {
    // 在免登录白名单，直接进入
        if (whiteList.indexOf(to.path) !== -1) {
            next()
        } else {
            next({ path: '/user/login', query: { redirect: to.fullPath } })
            NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
        }
    }
})

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