first

<template> 

<div>我是第一個(gè)頁(yè)面</div> 

</template>

 

second

<template> 

<div>我是第二個(gè)頁(yè)面</div> 

</template>

 

three

<template> 

<div>我是第三個(gè)頁(yè)面</div> 

</template>

four
<template> 
<div>我是第四個(gè)頁(yè)面</div> 
</template>

import Vue from 'vue'

import VueRouter from 'vue-router'

/*import First from '@/components/First' 

import Second from '@/components/Second'*/

  

Vue.use(VueRouter) 

//方案1

const first =()=>import(/* webpackChunkName: "group-foo" */ "../components/first.vue");

const second = ()=>import(/* webpackChunkName: "group-foo" */ "../components/second.vue");

const three = ()=>import(/* webpackChunkName: "group-fooo" */ "../components/three.vue");

const four = ()=>import(/* webpackChunkName: "group-fooo" */ "../components/four.vue");

//方案2

const first = r => require.ensure([], () => r(require('../components/first.vue')), 'chunkname1')

const second = r => require.ensure([], () => r(require('../components/second.vue')), 'chunkname1')

const three = r => require.ensure([], () => r(require('../components/three.vue')), 'chunkname2')

const four = r => require.ensure([], () => r(require('../components/four.vue')), 'chunkname2')

 

//懶加載路由 

const routes = [ 

 {  //當(dāng)首次進(jìn)入頁(yè)面時(shí)，頁(yè)面沒(méi)有顯示任何組件；讓頁(yè)面一加載進(jìn)來(lái)就默認(rèn)顯示first頁(yè)面 

 path:'/', //重定向，就是給它重新指定一個(gè)方向，加載一個(gè)組件； 

 component:first 

 }, 

 { 

 path:'/first', 

 component:first

 }, 

 { 

 path:'/second', 

 component:second

 }, { 

 path:'/three', 

 component:three

 }, 

 { 

 path:'/four', 

 component:four

 } 

//這里require組件路徑根據(jù)自己的配置引入 

] 

//最后創(chuàng)建router 對(duì)路由進(jìn)行管理，它是由構(gòu)造函數(shù) new vueRouter() 創(chuàng)建，接受routes 參數(shù)。 

  

 const router = new VueRouter({ 

 routes 

}) 
export default router;