iframe视频无法全屏

为iframe添加allowfullscreen属性即可, 如下所示

<iframe src="video.html" 
	frameborder="0" 
	width="100%" 
	height="100%" 
	scrolling="no" 
	allowfullscreen="true" 
	webkitallowfullscreen="true"
	mozallowfullscreen="true"></iframe>