失败代码1

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob)</title>
</head>
<body >
<p align="center">
  <video  controls="controls" autoplay="autoplay" src="C:\Users\徐照港\Desktop\de9418a04a0869271c7cdfeca51e9e44.mp4"> 
    </p>
</p>
</body>
</html>

失败代码2

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob)</title>
</head>
<body >
<p align="center">

<video muted  src="C:\Users\徐照港\Desktop\de9418a04a0869271c7cdfeca51e9e44.mp4" autoplay loop></video>
</p>
</body>
</html>

成功代码

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob)</title>
</head>
<body >
<p align="center">
    <video muted autoplay loop src="C:\Users\徐照港\Desktop\de9418a04a0869271c7cdfeca51e9e44.mp4"  > 
    </video>
</p>
</body>
</html>

总结

<video muted src="" autoplay loop></video>

这个能用

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