改变模板，vue默认为{{}}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>slot</title>
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
</head>
<body>
<div id='root'>
${msg}
</div>
</body>
<script>
var vm = new Vue({
el: '#root',
delimiters: ['${', '}'],
data() {
return {
msg: 'Hello Vue'
}
}
})
</script>
</html>
