<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<cpn></cpn>
<cpn>
<div>插槽</div>
</cpn>
</div>
<template id="cpn">
<div>
<p>我是子组件</p>
<slot></slot>
<slot><button>我是默认值</button></slot> <!-- 插槽的默认值，有值则会覆盖 -->
</div>
</template>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
Vue.component('cpn',{
template:'#cpn'
});
new Vue({
el:'#app',
data:{
message:'hello world'
}
})
</script>
</body>
</html>
