<button onclick="playVid()" type="button">播放视频</button>
<button onclick="pauseVid()" type="button">暂停视频</button>
<source src="/example/html5/mov_bbb.mp4" type="video/mp4">
<source src="/example/html5/mov_bbb.ogg" type="video/ogg">
Your browser does not support HTML5 video.
var myVideo=document.getElementById("video1");