详解vue2路由vue-router配置（懒加载）

<template> 
 <div>我是第一个页面</div> 
</template> 
 
<script> 
 export default { 
 name: 'first', 
 data () { 
  return { 
  msg: 'Welcome to Your Vue.js App' 
  } 
 } 
 } 
</script> 
 
<!-- Add "scoped" attribute to limit CSS to this component only --> 
<style scoped> 
 h1, h2 { 
 font-weight: normal; 
 } 
 
 ul { 
 list-style-type: none; 
 padding: 0; 
 } 
 
 li { 
 display: inline-block; 
 margin: 0 10px; 
 } 
 
 a { 
 color: #42b983; 
 } 
</style> 

<template> 
 <div>我是第二个页面</div> 
</template> 
 
<script> 
 export default { 
 name: 'second', 
 data () { 
  return { 
  msg: 'Welcome to Your Vue.js App' 
  } 
 } 
 } 
</script> 
 
<!-- Add "scoped" attribute to limit CSS to this component only --> 
<style scoped> 
 h1, h2 { 
 font-weight: normal; 
 } 
 
 ul { 
 list-style-type: none; 
 padding: 0; 
 } 
 
 li { 
 display: inline-block; 
 margin: 0 10px; 
 } 
 
 a { 
 color: #42b983; 
 } 
</style> 

import Vue from 'vue' 
import VueRouter from 'vue-router' 
/*import First from '@/components/First' 
import Second from '@/components/Second'*/ 
 
Vue.use(VueRouter) 
 
/*const routes = [ 
 //重定向 
 { 
 path:'/', 
 redirect:'first' 
 }, 
 { 
 path: '/first', 
 name: 'First', 
 component: First 
 }, 
 { 
 path: '/second', 
 name: 'Second', 
 component: Second 
 } 
]*/ 
 
//懒加载路由 
const routes = [ 
 {   //当首次进入页面时，页面没有显示任何组件；让页面一加载进来就默认显示first页面 
 path:'/', //重定向，就是给它重新指定一个方向，加载一个组件； 
 component:resolve => require(['@/components/First'],resolve) 
 }, 
 { 
 path:'/first', 
 component:resolve => require(['@/components/First'],resolve) 
 }, 
 { 
 path:'/second', 
 component: resolve => require(['@/components/Second'],resolve) 
 } 
//这里require组件路径根据自己的配置引入 
] 
//最后创建router 对路由进行管理，它是由构造函数 new vueRouter() 创建，接受routes 参数。 
 
 const router = new VueRouter({ 
 routes 
}) 
 
export default router; 

import $ from 'jquery' 
import Vue from 'vue' 
import App from './App' 
import router from './router' //引入路由配置文件 
import './assets/css/bootstrap.min.css' 
import './assets/js/bootstrap.min' 
Vue.config.productionTip = false 
 
/* eslint-disable no-new */ 
new Vue({ 
 el: '#app', 
 router, // 注入到根实例中 
 render: h => h(App) 
})

<template> 
<router-link to="/first">跳转第一个页面</router-link> 
<router-link to="/second">跳转第二个页面</router-link> 
<div id="view"> 
  <router-view></router-view> 
  </div> 
 
</template> 
 
<script> 
export default { 
 name: 'app' 
} 
</script> 
<style> 
</style>