1. 配置路由规则，使用children配置项：
```js
routes:[
{
path:'/about',
component:About,
},
{
path:'/home',
component:Home,
children:[ //通过children配置子级路由
{
path:'news', //此处一定不要写：/news
component:News
},
{
path:'message',//此处一定不要写：/message
component:Message
}
]
}
]
```
2. 跳转（要写完整路径）：
```vue
<router-link to="/home/news">News</router-link>
```
1. News.vue
<template>
<ul>
<li>news001</li>
<li>news002</li>
<li>news003</li>
</ul>
</template>
<script>
export default {
name:'News'
}
</script>
<style>
</style>
2. Message.vue
<template>
<div>
<ul>
<li>
<a href="/message1">message001</a>
</li>
<li>
<a href="/message2">message002</a>
</li>
<li>
<a href="/message/3">message003</a>
</li>
</ul>
</div>
</template>
<script>
export default {
name:'Message'
}
</script>
<style>
</style>
3. Home.vue
<template>
<div class="col-xs-6">
<div class="panel">
<div class="panel-body">
<div>
<h2>Home组件内容</h2>
<div>
<ul class="nav nav-tabs">
<li>
<router-link class="list-group-item " active-class="active" to="/home/News">News</router-link>
</li>
<li>
<router-link class="list-group-item " active-class="active" to="/home/Message">Message</router-link>
</li>
</ul>
<router-view></router-view>
</div>
</div>
</div>
</div>
</div>
</template>
<script>
export default {
name:'Home',
beforeDestroy(){
console.log("home组件即将被销毁了");
},
mounted(){
console.log("home组件挂载完毕了",this);
window.homeRoute=this.$route;
window.homeRouter=this.$router;
}
}
</script>
<style>
</style>
4. App.vue
<template>
<div>
<Banner></Banner>
<div class="row">
<div class="col-xs-2 col-xs-offset-2">
<div class="list-group">
<!--原始html 中我们使用a 标签 实现页面的跳转-->
<!-- <a class="list-group-item active" href="./about.html">About</a>
<a class="list-group-item" href="./home.html">Home</a> -->
<!--VUE 中借助router-link 标签实现路由的切换-->
<router-link class="list-group-item" active-class="active" to="/about">About</router-link>
<router-link class="list-group-item" active-class="active" to="/home">Home</router-link>
</div>
</div>
<div class="col-xs-6">
<div class="panel">
<div class="panel-body">
<!-- 指定组件的呈现位置-->
<!-- <h2>此处到底展示什么组件，得看用户点击哪个导航项</h2> -->
<!-- <router-view></router-view> -->
<router-view></router-view>
</div>
</div>
</div>
</div>
</div>
</template>
<script>
import Banner from './components/Banner.vue'
export default {
name: 'App',
components:{
Banner
}
}
</script>
5. router/index.js
//该文件专门用于创建整个应用的路由器
import VueRouter from "vue-router"
import About from '../pages/About'
import Home from '../pages/Home'
import News from '../pages/News'
import Message from '../pages/Message'
// 创建并且暴露一个路由器
export default new VueRouter({
routes:[
{
path:'/about',
component:About
},
{
path:'/home',
component:Home,
children:[
{
path:'news',
component:News,
},
{
path:'message',
component:Message,
},
]
},
]
})