<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<title>智能白板</title>
</head>
<body>
<div id="app"></div>
<!-- built files will be auto injected -->
<!-- 先引入 Vue -->
<script src="https://unpkg.com/vue@2.4.2/dist/vue.js"></script>
<!-- 引入组件库 -->
<script src="https://unpkg.com/element-ui@1.4.7/lib/index.js"></script>
</body>
</html>