方法很简单，只要调用一段js，就可以让主流浏览器实现video标签的视频播放。
使用方法：
要想让主流浏览器都支持HTML5标签，使用非常简单，只要链接一个js文件就可以了。所以，只要您的页面上（头部或底部）有这么段代码：
<script src="//api.html5media.info/1.2.2/html5media.min.js"></script>就可以了。
对于HTML部分，使用类似下面：
<video src="video.mp4" width="320" height="240" controls autobuffer></video>
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