<html><body><h1>input accept 属性</h1><form action="/demo/action_page.php"> <label for="img">请选择图片：</label> <input type="file" id="img" name="img" accept="image/*"><br><br> <input type="submit"></form><p><strong>注意：</strong>由于安全问题，此例不允许您上传文件。</p></body></html>