版权声明：欢迎评论和转载，转载请注明来源。 https://blog.csdn.net/zy332719794/article/details/50684410
<object classid="clsid:***" id="player">
<param name="speed" value="1">
</object>
<script>
if(document.all.player.object == null) {
alert("请先安装播放器控件！")
}
</script>
