vue 項(xiàng)目中實(shí)現(xiàn)當(dāng)訪問(wèn)路由不存在的時(shí)訪問(wèn)404頁(yè)面的方法

const baseRoute = [
 { path: '/login', name: 'login', component: Login },
 {path: '/', redirect: '/index', component: Layout, name: 'dashboard'},
 // 404page
 { path: '/404', name: 'page404', component: page404 },
 {
 path: '/',
 redirect: '/index',
 component: Layout,
 children: [
 {
 path: 'index',
 name: 'index',
 component: ModeIndex,
 meta: {
  title: '', // 設(shè)備建模
  icon: ''
 }
 },
 {
 path: 'project',
 name: 'project',
 component: Project,
 meta: {
  dynamic: true, // 動(dòng)態(tài)面包屑標(biāo)題
  title: ''
 }
 }
 ]
 }
 {
 path: '*', // 頁(yè)面不存在的情況下會(huì)跳到404頁(yè)面
 redirect: '/404',
 name: 'notFound',
 hidden: true
 }
]
const router = new Router({
 routes: baseRoute
})

if (to.path.slice(1) !== '') {
  router.push({
  path: '/login',
  query: {
  redirect: to.path.slice(1)
  }
  })
 } else {
 router.push({
  path: '/login'
 })
 }

const baseRoute = [
 { path: '/login', name: 'login', component: Login },
 {path: '/', redirect: '/index', component: Layout, name: 'dashboard'},
　　// 404page
　{path: '/404', component: page404, name: 'page404'},　
 {
 path: '/',
 redirect: '/index',
 component: Layout,
 children: [
 {
 path: 'index',
 name: 'index',
 component: ModeIndex,
 meta: {
  title: '', // 設(shè)備建模
  icon: ''
 }
 },
 {
 path: 'project',
 name: 'project',
 component: Project,
 meta: {
  dynamic: true, // 動(dòng)態(tài)面包屑標(biāo)題
  title: ''
 }
 }
 ]
 },
 // {
 // path: '*', // 頁(yè)面不存在的情況下會(huì)跳到404頁(yè)面
 //redirect: '/404',
 //name: 'notFound',
 //hidden: true
 //}
]
const router = new Router({
 routes: baseRoute
})

import router from './router'
import { getCookie } from './utils/auth'

// 通過(guò)beforeEach鉤子來(lái)判斷用戶是否登陸過(guò) 有無(wú)token
const whiteList = ['/login'] // 不重定向白名單
// const userInfo = getUserInfo()

router.beforeEach((to, from, next) => {
 console.log(to.matched)
 // 判斷是否有登錄過(guò)
 if (getCookie('userId_dev')) {
 // 如果包含userId_dev 從登錄頁(yè)面跳轉(zhuǎn) 直接跳轉(zhuǎn)到首頁(yè) /
 if (to.path === '/login') {
 next()
 } else {
 if (to.matched.length === 0) {
 next('/404') // 判斷此跳轉(zhuǎn)路由的來(lái)源路由是否存在，存在的情況跳轉(zhuǎn)到來(lái)源路由，否則跳轉(zhuǎn)到404頁(yè)面
 }
 next() // 如果匹配到正確跳轉(zhuǎn)
 }
 // 沒有登錄
 } else {
 if (whiteList.indexOf(to.path) !== -1) {
 next()
 } else {
 // 還沒有登錄過(guò) 則跳轉(zhuǎn)到登錄界面
 // next('/login')
 if (to.path.slice(1) !== '') {
 if (to.matched.length === 0) {
  router.push({
  path: '/login'
  })
 } else {
  router.push({
  path: '/login',
  query: {
  redirect: to.path.slice(1)
  }
  })
 }
 } else {
 router.push({
  path: '/login'
 })
 }
 }
 }
})