<!doctype html>
<html>
<head>
<meta charset=utf-8>
<title>测试</title>
</head>
<body><center>
<h3>视频测试</h3></center>
<br><hr>
<center>
<video class="kg" autoplay loop>
<source src="video/welcome.mp4" type="video/mp4" controls="">
</video>
</center>
</body> </html>