iframe代码嵌入BiliBili视频外链的详细教程：
<iframe src="//player.bilibili.com/player.html?aid=B站获取&cid=B站获取&page=1&danmaku=0" allowfullscreen="allowfullscreen" width="100%" height="400" scrolling="no" frameborder="0" sandbox="allow-top-navigation allow-same-origin allow-forms allow-scripts"></iframe>BILIBILI 地址PC端参数：
&danmaku=0 (1=打开弹幕 0=关闭弹幕)
iframe 参数：
allowfullscreen="allowfullscreen" #移动端全屏
sandbox="allow-top-navigation allow-same-origin allow-forms allow-scripts" #禁止弹出网页
