你只需发布一个像这样的 YouTube 网址
https://www.youtube.com/watch?v=kNpczxZLXo8 https://www.youtube.com/watch?v=kNpczxZLXo8
在聊天中https://discordapp.com/ https://discordapp.com/。一段时间后，聊天窗口会出现来自 YouTube 的嵌入视频。
这意味着它们对 YouTube 链接有特殊支持，并且只要它们没有明确提供对其他网站执行相同操作的方法，您就没有任何机会重新创建相同的功能。
我为您看到的选项是：与 Discordapp.com 的支持人员交谈或将您的内容上传到 YouTube。
[编辑]
联系支持人员后，我们现在知道他们实际上明确支持第三方嵌入视频和图像。
答案来自https://discordapp.com/ https://discordapp.com/支持来得很快而且很到位：
我们寻找 Facebook 开放图标签、Twitter 卡片标签或嵌入更多信息：
- https://developers.facebook.com/docs/sharing/webmasters#markup https://developers.facebook.com/docs/sharing/webmasters#markup
Facebook Opengraph 示例：
opengraph2.html的代码：
<!DOCTYPE html>
<html>
<meta property="og:type" content="article">
<meta property="og:url" content="http://harry.x-dream-media.com/index.jsp">
<meta property="fb:app_id" content="217926898242066">
<meta property="og:video" content="http://harry.x-dream-media.com/test.m4v" />
<meta property="og:video:width" content="640" />
<meta property="og:video:height" content="426" />
<meta property="og:video:type" content="application/mp4" />
<meta property="og:video" content="http://harry.x-dream-media.com/test.m4v" />
<meta property="og:video:type" content="video/mp4" />
<meta property="og:video" content="http://harry.x-dream-media.com/test.m4v" />
<meta property="og:video:type" content="text/html" />
<meta property="og:title" content="title text">
<meta property="og:image" content="http://harry.x-dream-media.com/test.png"/>
<meta property="og:description" content="description text"/>
<meta property="og:site_name" content="site name text">
<body>
<style type="text/css">
video {
width:100%;
max-width:600px;
height:auto;
}
</style>
<video width="100%" src="http://harry.x-dream-media.com/test.m4v" controls>
Your browser does not support video
</video>
</body>
</html>
- https://dev.twitter.com/cards/markup https://dev.twitter.com/cards/markup
推特示例:
twitter.html 代码：
<!DOCTYPE html>
<html>
<head>
<meta content='text/html; charset=UTF-8' http-equiv='Content-Type' />
<meta name="twitter:card" content="player" />
<meta name="twitter:site" content="@harry" />
<meta name="twitter:title" content="CUSTOM CONTENT" />
<meta name="twitter:description" content="Custom Descriptions can be lengthy" />
<meta name="twitter:image" content="https://peach.blender.org/wp-content/uploads/bbb-splash.png?x11217" />
<meta name="twitter:player" content="https://download.blender.org/peach/bigbuckbunny_movies/BigBuckBunny_320x180.mp4" />
<meta name="twitter:player:width" content="320" />
<meta name="twitter:player:height" content="180" />
<meta name="twitter:player:stream" content="https://download.blender.org/peach/bigbuckbunny_movies/BigBuckBunny_320x180.mp4" />
<meta name="twitter:player:stream:content_type" content="video/mp4" />
</head>
<!DOCTYPE html>
<html>
<body>
<style type="text/css">
video {
width:100%;
max-width:600px;
height:auto;
}
</style>
<body>
<video width="100%" controls>
<source src="http://harry.x-dream-media.com/test.m4v" type="video/mp4">
Your browser does not support video
</video>
</body>
</html>
- http://oembed.com/#section2 http://oembed.com/#section2
