bug^君 2010-01-14 23:34 采纳率: 25%
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如何从 YouTube API 获得一个 YouTube 视频缩略图?

If I have a YouTube video URL, is there any way to use PHP and cURL to get the associated thumbnail from the YouTube API?

转载于:https://stackoverflow.com/questions/2068344/how-do-i-get-a-youtube-video-thumbnail-from-the-youtube-api

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  • larry*wei 2010-01-14 23:40
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    Each YouTube video has 4 generated images. They are predictably formatted as follows:

    https://img.youtube.com/vi/<insert-youtube-video-id-here>/0.jpg
    https://img.youtube.com/vi/<insert-youtube-video-id-here>/1.jpg
    https://img.youtube.com/vi/<insert-youtube-video-id-here>/2.jpg
    https://img.youtube.com/vi/<insert-youtube-video-id-here>/3.jpg
    

    The first one in the list is a full size image and others are thumbnail images. The default thumbnail image (ie. one of 1.jpg, 2.jpg, 3.jpg) is:

    https://img.youtube.com/vi/<insert-youtube-video-id-here>/default.jpg
    

    For the high quality version of the thumbnail use a url similar to this:

    https://img.youtube.com/vi/<insert-youtube-video-id-here>/hqdefault.jpg
    

    There is also a medium quality version of the thumbnail, using a url similar to the HQ:

    https://img.youtube.com/vi/<insert-youtube-video-id-here>/mqdefault.jpg
    

    For the standard definition version of the thumbnail, use a url similar to this:

    https://img.youtube.com/vi/<insert-youtube-video-id-here>/sddefault.jpg
    

    For the maximum resolution version of the thumbnail use a url similar to this:

    https://img.youtube.com/vi/<insert-youtube-video-id-here>/maxresdefault.jpg
    

    All of the above urls are available over http too. Additionally, the slightly shorter hostname i3.ytimg.com works in place of img.youtube.com in the example urls above.

    Alternatively, you can use the YouTube Data API (v3) to get thumbnail images.

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