预格式代码

<iframe id="spkj" src="https://player.bilibili.com/player.html?aid=你要分享的视频AV号&page=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true" width="100%"> </iframe>
<script type="text/javascript">  
document.getElementById("spkj").style.height=document.getElementById("spkj").scrollWidth*0.76+"px";
</script>

嵌入示例