<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Hello World</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/antd/3.23.3/antd.min.css">
<script src="https://cdn.bootcss.com/babel-polyfill/7.6.0/polyfill.min.js"></script>
<script src="https://cdn.bootcss.com/react/16.9.0/umd/react.production.min.js"></script>
<script src="https://cdn.bootcss.com/react-dom/16.9.0/umd/react-dom.production.min.js"></script>
<script src="https://cdn.bootcss.com/moment.js/2.24.0/moment.min.js"></script>
<script src="https://cdn.bootcss.com/moment.js/2.24.0/locale/zh-cn.js"></script>
<script src="https://cdn.bootcss.com/antd/3.23.3/antd.min.js" type="text/javascript"></script>
<script src="https://unpkg.com/babel-standalone@6.15.0/babel.min.js"></script>
</head>
<body>
<div id="root"></div>
<script type="text/babel">
import { DatePicker } from 'antd';
ReactDOM.render(<DatePicker />, document.getElementById('root'));
</script>
</body>
</html>
提示报错require is not defined,我只是想学习下