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[JavaScript] vue-router路由拦截

开发技术 开发技术 发布于:2021-07-05 20:41 | 阅读数:208 | 评论:0

import Vue from 'vue'
import router from './router'
import store from './store'
import NProgress from 'nprogress' // progress bar
import '@/components/NProgress/nprogress.less' // progress bar custom style
import { setDocumentTitle, domTitle } from '@/utils/domUtil'
import { ACCESS_TOKEN, ALL_APPS_MENU } from '@/store/mutation-types'
import { Modal, notification } from 'ant-design-vue' // NProgress Configuration
import { timeFix } from '@/utils/util'/// es/notification
NProgress.configure({ showSpinner: false })
const whiteList = ['login', 'register', 'registerResult'] // no redirect whitelist
// 无默认首页的情况
const defaultRoutePath = '/welcome'
router.beforeEach((to, from, next) => {
  NProgress.start() // start progress bar
  to.meta && (typeof to.meta.title !== 'undefined' && setDocumentTitle(`${to.meta.title} - ${domTitle}`))
  if (Vue.ls.get(ACCESS_TOKEN)) {
  /* has token */
  if (to.path === '/user/login') {
    next({ path: defaultRoutePath })
    NProgress.done()
  } else {
    if (store.getters.roles.length === 0) {
    store
      .dispatch('GetInfo')
      .then(res => {
      if (res.menus.length < 1) {
        Modal.error({
        title: '提示:',
        content: '无菜单权限,请联系管理员',
        okText: '确定',
        onOk: () => {
          store.dispatch('Logout').then(() => {
          window.location.reload()
          })
        }
        })
        return
      }
      // eslint-disable-next-line camelcase
      const all_app_menu = Vue.ls.get(ALL_APPS_MENU)
      let antDesignmenus
      // eslint-disable-next-line camelcase
      if (all_app_menu == null) {
        const applocation = []
        res.apps.forEach(item => {
        const apps = { 'code': '', 'name': '', 'active': '', 'menu': '' }
        if (item.active) {
          apps.code = item.code
          apps.name = item.name
          apps.active = item.active
          apps.menu = res.menus
          antDesignmenus = res.menus
        } else {
          apps.code = item.code
          apps.name = item.name
          apps.active = item.active
          apps.menu = ''
        }
        applocation.push(apps)
        })
        Vue.ls.set(ALL_APPS_MENU, applocation, 7 * 24 * 60 * 60 * 1000)
        // 延迟 1 秒显示欢迎信息
        setTimeout(() => {
        notification.success({
          message: '欢迎',
          description: `${timeFix()},欢迎回来`
        })
        }, 1000)
      } else {
        antDesignmenus = Vue.ls.get(ALL_APPS_MENU)[0].menu
      }
      store.dispatch('GenerateRoutes', { antDesignmenus }).then(() => {
        // 动态添加可访问路由表
        router.addRoutes(store.getters.addRouters)
        // 请求带有 redirect 重定向时,登录自动重定向到该地址
        const redirect = decodeURIComponent(from.query.redirect || to.path)
        if (to.path === redirect) {
        next({ 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(() => {
      store.dispatch('Logout').then(() => {
        next({ path: '/user/login', query: { redirect: to.fullPath } })
      })
      })
    } else {
    next()
    }
  }
  } else {
  if (whiteList.includes(to.name)) {
    // 在免登录白名单,直接进入
    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
})
  
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