<!DOCTYPE html>
<html lang="en">
<head>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/4.2.0/normalize.css">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.3.4/vue.js"></script>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #app{
            margin: 1em;
            font-size: 1.2em;
        }
        .component{
            border: 1px solid #000000;
            padding: 10px;
        }
    </style>
</head>
<body>

<div id="app">
    <my-component></my-component>
</div>
<script type="text/x-template" id="my-component">
<div class="component">A custom component of Vue!</div>
</script>
<script>
    //register
    Vue.component('my-component',{
        template:'#my-component'
    })
    //create a root instance
    new Vue({
        el:"#app"
    });
</script>
</body>

</html>

官网地址：​​X-Template​​