function parseVideo(url) {
    // - Supported YouTube URL formats:
    //   - http://www.youtube.com/watch?v=My2FRPA3Gf8
    //   - http://youtu.be/My2FRPA3Gf8
    //   - https://youtube.googleapis.com/v/My2FRPA3Gf8
    // - Supported Vimeo URL formats:
    //   - http://vimeo.com/25451551
    //   - http://player.vimeo.com/video/25451551
    // - Also supports relative URLs:
    //   - //player.vimeo.com/video/25451551

    url.match(/(http:|https:|)\/\/(player.|www.)?(vimeo\.com|youtu(be\.com|\.be|be\.googleapis\.com))\/(video\/|embed\/|watch\?v=|v\/)?([A-Za-z0-9._%-]*)(\&\S+)?/);

    if (RegExp.$3.indexOf('youtu') > -1) {
        var type = 'youtube';
    } else if (RegExp.$3.indexOf('vimeo') > -1) {
        var type = 'vimeo';
    }

    return {
        type: type,
        id: RegExp.$6
    };
}

function getVideoThumbnail(url, cb) {
    var videoObj = parseVideo(url);
    if (videoObj.type == 'youtube') {
        cb('//img.youtube.com/vi/' + videoObj.id + '/maxresdefault.jpg');
    } else if (videoObj.type == 'vimeo') {
        $.get('http://vimeo.com/api/v2/video/' + videoObj.id + '.json', function(data) {
            cb(data[0].thumbnail_large);
        });
    }
}

function parseVideo(url) {
    // - Supported YouTube URL formats:
    //   - http://www.youtube.com/watch?v=My2FRPA3Gf8
    //   - http://youtu.be/My2FRPA3Gf8
    //   - https://youtube.googleapis.com/v/My2FRPA3Gf8
    // - Supported Vimeo URL formats:
    //   - http://vimeo.com/25451551
    //   - http://player.vimeo.com/video/25451551
    // - Also supports relative URLs:
    //   - //player.vimeo.com/video/25451551

    url.match(/(http:|https:|)\/\/(player.|www.)?(vimeo\.com|youtu(be\.com|\.be|be\.googleapis\.com))\/(video\/|embed\/|watch\?v=|v\/)?([A-Za-z0-9._%-]*)(\&\S+)?/);

    if (RegExp.$3.indexOf('youtu') > -1) {
        var type = 'youtube';
    } else if (RegExp.$3.indexOf('vimeo') > -1) {
        var type = 'vimeo';
    }

    return {
        type: type,
        id: RegExp.$6
    };
}

function getVideoThumbnail(url, cb) {
    var videoObj = parseVideo(url);
    if (videoObj.type == 'youtube') {
        cb('//img.youtube.com/vi/' + videoObj.id + '/maxresdefault.jpg');
    } else if (videoObj.type == 'vimeo') {
        $.get('http://vimeo.com/api/v2/video/' + videoObj.id + '.json', function(data) {
            cb(data[0].thumbnail_large);
        });
    }
}

如果你想通过纯js/jquery没有api使用缩略图，你可以使用这个工具从视频中捕获一帧，瞧!插入url拇指在任何你喜欢的来源。

这是一支码笔:

http://codepen.io/alphalink/pen/epwZpJ

<img src="https://i.vimeocdn.com/video/531141496_640.jpg"` alt="" />

以下是获取缩略图的网站:

http://video.depone.eu/

更新:此解决方案于2018年12月停止工作。

我也在找同样的事情，看起来这里的大多数答案都过时了，因为Vimeo API v2已弃用。

我的PHP 2¢:

$vidID     = 12345 // Vimeo Video ID
$tnLink = json_decode(file_get_contents('https://vimeo.com/api/oembed.json?url=https%3A//vimeo.com/' . $vidID))->thumbnail_url;

通过上面的链接，你将得到Vimeo默认缩略图的链接。

如果你想使用不同大小的图像，你可以添加如下内容:

$tnLink = substr($tnLink, strrpos($tnLink, '/') + 1);
$tnLink = substr($tnLink, 0, strrpos($tnLink, '_')); // You now have the thumbnail ID, which is different from Video ID

// And you can use it with link to one of the sizes of crunched by Vimeo thumbnail image, for example:
$tnLink = 'https://i.vimeocdn.com/filter/overlay?src0=https%3A%2F%2Fi.vimeocdn.com%2Fvideo%2F' . $tnLink    . '_1280x720.jpg&src1=https%3A%2F%2Ff.vimeocdn.com%2Fimages_v6%2Fshare%2Fplay_icon_overlay.png';

我写了一个函数在PHP让我这，我希望它对某人有用。缩略图的路径包含在视频页面的链接标记中。这似乎对我有用。

    $video_url = "http://vimeo.com/7811853"  
    $file = fopen($video_url, "r");
    $filedata = stream_get_contents($file);
    $html_content = strpos($filedata,"<link rel=\"videothumbnail");
    $link_string = substr($filedata, $html_content, 128);
    $video_id_array = explode("\"", $link_string);
    $thumbnail_url = $video_id_array[3];
    echo $thumbnail_url;

希望能对大家有所帮助。

Foggson

function getVimeoInfo($link)
 {
    if (preg_match('~^http://(?:www\.)?vimeo\.com/(?:clip:)?(\d+)~', $link, $match)) 
    {
        $id = $match[1];
    }
    else
    {
        $id = substr($link,10,strlen($link));
    }

    if (!function_exists('curl_init')) die('CURL is not installed!');
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, "http://vimeo.com/api/v2/video/$id.php");
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
    $output = unserialize(curl_exec($ch));
    $output = $output[0];
    curl_close($ch);
    return $output;
}`

//在下面的函数传递缩略图url。

function save_image_local($thumbnail_url)
    {

         //for save image at local server
         $filename = time().'_hbk.jpg';
         $fullpath = '../../app/webroot/img/videos/image/'.$filename;

         file_put_contents ($fullpath,file_get_contents($thumbnail_url));

        return $filename;
    }