4.路由的query参数
-
传递参数
<!-- 跳转并携带query参数，to的字符串写法 --> <router-link :to="/home/message/detail?id=666&title=你好">跳转</router-link> <!-- 跳转并携带query参数，to的对象写法 --> <router-link :to="{ path:'/home/message/detail', query:{ id:666, title:'你好' } }" >跳转</router-link> -
接收参数：
$route.query.id $route.query.title
components
Banner.vue
<template>
<div class="col-xs-offset-2 col-xs-8">
<div class="page-header"><h2>Vue Router Demo</h2></div>
</div>
</template>
<script>
export default {
name:'Banner'
}
</script>
pages
About.vue
<template>
<h2>我是About的内容</h2>
</template>
<script>
export default {
name:'About',
/* beforeDestroy() {
console.log('About组件即将被销毁了')
},*/
/* mounted() {
console.log('About组件挂载完毕了',this)
window.aboutRoute = this.$route
window.aboutRouter = this.$router
}, */
}
</script>
Detail.vue
<template>
<ul>
<li>消息编号：{{$route.query.id}}</li>
<li>消息标题：{{$route.query.title}}</li>
</ul>
</template>
<script>
export default {
name:'Detail',
mounted() {
console.log(this.$route)
},
}
</script>
Home.vue
<template>
<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>
</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>
Message.vue
<template>
<div>
<ul>
<li v-for="m in messageList" :key="m.id">
<!-- 跳转路由并携带query参数，to的字符串写法 -->
<!-- <router-link :to="`/home/message/detail?id=${m.id}&title=${m.title}`">{{m.title}}</router-link> -->
<!-- 跳转路由并携带query参数，to的对象写法 -->
<router-link :to="{
path:'/home/message/detail',
query:{
id:m.id,
title:m.title
}
}">
{{m.title}}
</router-link>
</li>
</ul>
<hr>
<router-view></router-view>
</div>
</template>
<script>
export default {
name:'Message',
data() {
return {
messageList:[
{id:'001',title:'消息001'},
{id:'002',title:'消息002'},
{id:'003',title:'消息003'}
]
}
},
}
</script>
News.vue
<template>
<ul>
<li>news001</li>
<li>news002</li>
<li>news003</li>
</ul>
</template>
<script>
export default {
name:'News'
}
</script>
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'
//引入组件
import About from '../pages/About'
import Home from '../pages/Home'
import News from '../pages/News'
import Message from '../pages/Message'
import Detail from '../pages/Detail'
//创建并暴露一个路由器
export default new VueRouter({
routes:[
{
path:'/about',
component:About
},
{
path:'/home',
component:Home,
children:[
{
path:'news',
component:News,
},
{
path:'message',
component:Message,
children:[
{
path:'detail',
component:Detail,
}
]
}
]
}
]
})
App.vue
<template>
<div>
<div class="row">
<Banner/>
</div>
<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 -->
<router-view></router-view>
</div>
</div>
</div>
</div>
</div>
</template>
<script>
import Banner from './components/Banner'
export default {
name:'App',
components:{Banner}
}
</script>
main.js
//引入Vue
import Vue from 'vue'
//引入App
import App from './App.vue'
//引入VueRouter
import VueRouter from 'vue-router'
//引入路由器
import router from './router'
//关闭Vue的生产提示
Vue.config.productionTip = false
//应用插件
Vue.use(VueRouter)
//创建vm
new Vue({
el:'#app',
render: h => h(App),
router:router
})