提示Failed to mount component: template or render function not defined..<!DOCTYPE html><html lang="en"><head>
<meta charset="UTF-8">
<title>Document</title>
<script src="vue.js"></script></head><body>
<template id="test">
<div>
aaaa<slot name="age"></slot>
</div>
</template>
<div id="app">
<show>
<span slot="age">{{age}}</span>
</show>
</div>
<script>
var user={
template:"#test",
} new Vue({
el:"#app",
data:{
age:22
},
components:{ "show":test,
},
}) </script></body></html>
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