测试视频点播
var palyerDom = document.createElement('div');
palyerDom.id = 'J_prismPlayer';
palyerDom.style.width = '1920px';
palyerDom.style.height = '1280px';
palyerDom.className = 'prism-player';
var body = document.getElementsByTagName('body');
if(body.length) {
body[0].appendChild(palyerDom);
var player = new Aliplayer({
id: "J_prismPlayer",
autoplay: true,
width:"1920px",
height:"1280px",
vid:"5a8a9200acf171edbf916732b68f0102",
playauth:'',
cover:''
});
}