步驟:
1.創建容器
2.引包
3.創建實例
4.添加配置項
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Title</title>
</head>
<body><!--準備容器 -->
<div id="app">
{{msg}}
</div><!-- 引包 -->
<script src="https://cdn.jsdelivr.net/npm/vue@2.7.14/dist/vue.js"></script><!-- 創建實例 -->
<script>var app=new Vue({el:'#app',data:{msg:'Hello Wrold'}});
</script></body>
</html>
?