<html>
<body>
<h1>input multiple 属性</h1>
<p>请在浏览文件时尝试选择多个文件。</p>
<form action="/demo/action_page.php">
<label for="files">请选择文件:</label>
<input type="file" id="files" name="files" multiple><br><br>
<input type="submit">
</form>
</body>
</html>