slot可以理解为一个占位符，插槽
子组件
<template>
<div>
<slot name="title">标题</slot>
<slot name="content">内容</slot>
</div>
</template>
<script>
export default {
name:'Child',
}
</script>
父组件：
<template>
<div>
<Child>
<p slot="title">我是标题</p>
<span slot="content">我是内容</span>
</Child>
</div>
</template>
<script>
import Child from ‘./components/child’
export default {
name:'father',
components:{
Child
},
}
</script>