<!DOCTYPE HTML><html><body><video width="320" height="240" controls="controls"> <source src="movie.
<!DOCTYPE HTML><html><body><video width="320" height="240" controls="controls"> <source src="movie.ogg" type="video/ogg"> <source src="movie.mp4" type="video/mp4">Your browser does not support the video tag.</video></body></html>页面展示效果：
