<iframe src="https://bilibili.cy6cy.cn/player/?url=视频链接" 
    allowfullscreen="allowfullscreen" 
    mozallowfullscreen="mozallowfullscreen" 
    msallowfullscreen="msallowfullscreen" 
    oallowfullscreen="oallowfullscreen" 
    webkitallowfullscreen="webkitallowfullscreen" 
    width="100%" height="550px" frameborder="0"></iframe>

.m3u8.mp4.flv 等常见视频格式,注意:不支持 MP4 H265 格式的视频