WordPress 获取优酷视频缩略图（新版）

Wordpress主题技巧

最近在为客户定制网站时，需要获取优酷视频缩略图，百度了一大圈，所得的方法无非都是：

VideoUrlParser.class.php 这个类沐风 Youku Videos 1.2.0 插件其他代码版本……

查看了里面的代码，无非都是通过旧版本的优酷api获取数据：

http://v.youku.com/player/getPlayList/VideoIDS/XMjIwNDg2NjU2/timezone/+08/version/5/source/out?password=&ran=2513&n=3

很不幸的是，优酷已经升级这个API，无法再获取视频缩略图，你可以点击上面的链接地址，就可以得到如下如所示的内容：

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{"data":[{"ct":"h","cs":"2197|2205|2223",
"logo":"http:\/\/g1.ykimg.com\/",
"seed":3970,
"tags":["\u6211\u53ebMT\u63d2\u66f2","\u675c\u96ef\u5a9e","\u6211\u53ebMT"],
"categories":"100",
"videoid":"55121664",
"vidEncoded":"XMjIwNDg2NjU2",
"username":"\u9b3c\u0416\u6ce3",
"userid":"3805457",
"title":"\u675c\u96ef\u5a9e - \u96ea \u6211\u53ebMT\u63d2\u66f2",
"up":0,
"down":0,
"ts":"8wWV1TDoSldjfN4B56Qwxg",
"tsup":"8wWYHjPoSldjfN4CLKkwxg",
"key1":"b148f43d",
"key2":"789e55f11a15672c",
"tt":"0",
"videoSource":"1",
"seconds":"226.35",
"streamfileids":{"flv":"36*45*36*36*36*42*36*38*36*36*59*34*56*35*59*42*63*56*59*10*56*10*36*36*45*18*38*38*38*38*9*7*59*67*66*34*9*59*65*36*63*45*19*65*59*45*59*19*65*59*42*59*63*65*38*59*67*19*36*59*67*66*9*63*19*45*","mp4":"36*45*36*36*36*7*36*38*36*36*59*34*56*35*59*59*42*66*59*10*56*10*36*36*45*18*38*38*38*38*9*7*59*67*66*34*9*59*65*36*63*45*19*65*59*45*59*19*65*59*42*59*63*65*38*59*67*19*36*59*67*66*9*63*19*45*"},
"segs":{"flv":[{"no":0,"size":"7280601","seconds":226,"k":"1ec14cb1ea466078282abe64","k2":"1ee8c0b0e9c772956"}],"mp4":[{"no":0,"size":"14308548","seconds":226,"k":"4f57b6f585d4325b24125198","k2":"1def4abdbce3ab31b"}]},
"streamsizes":{"flv":"7280601","mp4":"14308548"},"stream_ids":{"flv":"121085627","mp4":"121085640"},"streamlogos":{"flv":1,"mp4":1},"streamtypes":["flv","mp4"],"streamtypes_o":["flv","flvhd","mp4"]}],
"user":{"id":"792955424","acc_support":true},
"controller":{"search_count":true,"mp4_restrict":1,"stream_mode":1,"video_capture":true,"hd3_enabled":false,"area_code":450900,"dma_code":4134,"continuous":0,"playmode":"normal","circle":false,"tsflag":false,"other_disable":false,"xplayer_disable":false,"app_disable":false,"share_disabled":false,"download_disabled":false,"pc_disabled":false,"pad_disabled":false,"mobile_disabled":false,"tv_disabled":false,"comment_disabled":false}}

{"data":[{"ct":"h","cs":"2197|2205|2223",
"logo":"http:\/\/g1.ykimg.com\/",
"seed":3970,
"tags":["\u6211\u53ebMT\u63d2\u66f2","\u675c\u96ef\u5a9e","\u6211\u53ebMT"],
"categories":"100",
"videoid":"55121664",
"vidEncoded":"XMjIwNDg2NjU2",
"username":"\u9b3c\u0416\u6ce3",
"userid":"3805457",
"title":"\u675c\u96ef\u5a9e – \u96ea \u6211\u53ebMT\u63d2\u66f2",
"up":0,
"down":0,
"ts":"8wWV1TDoSldjfN4B56Qwxg",
"tsup":"8wWYHjPoSldjfN4CLKkwxg",
"key1":"b148f43d",
"key2":"789e55f11a15672c",
"tt":"0",
"videoSource":"1",
"seconds":"226.35",
"streamfileids":{"flv":"36*45*36*36*36*42*36*38*36*36*59*34*56*35*59*42*63*56*59*10*56*10*36*36*45*18*38*38*38*38*9*7*59*67*66*34*9*59*65*36*63*45*19*65*59*45*59*19*65*59*42*59*63*65*38*59*67*19*36*59*67*66*9*63*19*45*","mp4":"36*45*36*36*36*7*36*38*36*36*59*34*56*35*59*59*42*66*59*10*56*10*36*36*45*18*38*38*38*38*9*7*59*67*66*34*9*59*65*36*63*45*19*65*59*45*59*19*65*59*42*59*63*65*38*59*67*19*36*59*67*66*9*63*19*45*"},
"segs":{"flv":[{"no":0,"size":"7280601","seconds":226,"k":"1ec14cb1ea466078282abe64","k2":"1ee8c0b0e9c772956"}],"mp4":[{"no":0,"size":"14308548","seconds":226,"k":"4f57b6f585d4325b24125198","k2":"1def4abdbce3ab31b"}]},
"streamsizes":{"flv":"7280601","mp4":"14308548"},"stream_ids":{"flv":"121085627","mp4":"121085640"},"streamlogos":{"flv":1,"mp4":1},"streamtypes":["flv","mp4"],"streamtypes_o":["flv","flvhd","mp4"]}],
"user":{"id":"792955424","acc_support":true},
"controller":{"search_count":true,"mp4_restrict":1,"stream_mode":1,"video_capture":true,"hd3_enabled":false,"area_code":450900,"dma_code":4134,"continuous":0,"playmode":"normal","circle":false,"tsflag":false,"other_disable":false,"xplayer_disable":false,"app_disable":false,"share_disabled":false,"download_disabled":false,"pc_disabled":false,"pad_disabled":false,"mobile_disabled":false,"tv_disabled":false,"comment_disabled":false}}

从内容中再也找不到缩略图了。

没办法，只有去优酷官方查看新的API，新的 API 方式在：http://open.youku.com/docs?id=46，也就是通过 https://openapi.youku.com/v2/videos/show.json 接口，需要“视频id”和“应用key（client_id）”这两个参数。

所以我们要想办法获的“视频id”和“应用key（client_id）”，就可以使用这个接口获取数据。

所以，我们先注册优酷，创建应用，获得“应用key（client_id）”，具体步骤如下：

首先要拥有一个优酷帐号，并申请加入开发平台，点击这里注册优酷帐号一个开发者帐号可以申请多个应用（client_id），点击这里申请应用自动生效，可作为开发和测试使用。应用分为四个等级，普通、中级、高级和合作级。升级后不同等级应用可调用不同API。API访问频率限制：普通——每小时1000次，中级——每小时5万次，高级——每小时20万次，合作——无限制

有了 client_id，获取到的信息如下：

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{"id":"XMjIwNDg2NjU2",
"title":"\u675c\u96ef\u5a9e - \u96ea \u6211\u53ebMT\u63d2\u66f2",
"link":"http:\/\/v.youku.com\/v_show\/id_XMjIwNDg2NjU2.html",
"thumbnail":"http:\/\/r1.ykimg.com\/054204085264610F6A0A3F40A0CC261A",
"bigThumbnail":"http:\/\/r1.ykimg.com\/054104085264610F6A0A3F40A0CC261A",
"duration":"226.35", 
"category":"\u52a8\u6f2b",
"state":"normal",
"created":"2010-11-06 19:53:54",
"published":"2010-11-06 19:58:21",
"description":"\u675c\u96ef\u5a9e - \u96ea \u6211\u53ebMT\u63d2\u66f2",
"player":"http:\/\/player.youku.com\/player.php\/sid\/XMjIwNDg2NjU2\/partnerid\/490ad1e99b548935\/v.swf",
"public_type":"all",
"copyright_type":"original",
"user":{"id":"3805457","name":"\u9b3c\u0416\u6ce3","link":"http:\/\/v.youku.com\/user_show\/id_UMTUyMjE4Mjg=html"},"tags":"\u6211\u53ebMT\u63d2\u66f2,\u675c\u96ef\u5a9e,\u6211\u53ebMT","view_count":64838,"favorite_count":"230","comment_count":"55","up_count":"896","down_count":"17","operation_limit":[],"streamtypes":["flvhd","flv","hd","3gp","3gphd"],"source":{"id":"1","name":"\u4f18\u9177\u7ad9\u5185WEB\u4e0a\u4f20","link":"http:\/\/www.youku.com\/v_up\/"}}

{"id":"XMjIwNDg2NjU2",
"title":"\u675c\u96ef\u5a9e – \u96ea \u6211\u53ebMT\u63d2\u66f2",
"link":"http:\/\/v.youku.com\/v_show\/id_XMjIwNDg2NjU2.html",
"thumbnail":"http:\/\/r1.ykimg.com\/054204085264610F6A0A3F40A0CC261A",
"bigThumbnail":"http:\/\/r1.ykimg.com\/054104085264610F6A0A3F40A0CC261A",
"duration":"226.35",
"category":"\u52a8\u6f2b",
"state":"normal",
"created":"2010-11-06 19:53:54",
"published":"2010-11-06 19:58:21",
"description":"\u675c\u96ef\u5a9e – \u96ea \u6211\u53ebMT\u63d2\u66f2",
"player":"http:\/\/player.youku.com\/player.php\/sid\/XMjIwNDg2NjU2\/partnerid\/490ad1e99b548935\/v.swf",
"public_type":"all",
"copyright_type":"original",
"user":{"id":"3805457","name":"\u9b3c\u0416\u6ce3","link":"http:\/\/v.youku.com\/user_show\/id_UMTUyMjE4Mjg=html"},"tags":"\u6211\u53ebMT\u63d2\u66f2,\u675c\u96ef\u5a9e,\u6211\u53ebMT","view_count":64838,"favorite_count":"230","comment_count":"55","up_count":"896","down_count":"17","operation_limit":[],"streamtypes":["flvhd","flv","hd","3gp","3gphd"],"source":{"id":"1","name":"\u4f18\u9177\u7ad9\u5185WEB\u4e0a\u4f20","link":"http:\/\/www.youku.com\/v_up\/"}}

第4、5行 就是缩略图，前者小，后者大：

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"thumbnail":"http:\/\/r1.ykimg.com\/054204085264610F6A0A3F40A0CC261A",
"bigThumbnail":"http:\/\/r1.ykimg.com\/054104085264610F6A0A3F40A0CC261A",

"thumbnail":"http:\/\/r1.ykimg.com\/054204085264610F6A0A3F40A0CC261A",
"bigThumbnail":"http:\/\/r1.ykimg.com\/054104085264610F6A0A3F40A0CC261A",

下面分享下具体的代码样例，懂代码的看下注释应该就明白了：

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/**
 * WordPress 获取优酷缩略图
 * 作者：@WordPress大学
 * 出处：https://www.wpdaxue.com/wordPress-get-youku-video-thumb.html
 */
// 该函数用于获取优酷api地址的内容，在下一个函数中要使用
function getSslPage($url) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_REFERER, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
    $result = curl_exec($ch);
    curl_close($ch);
    return $result;
}
//该函数获取优酷视频缩略图
function get_youku_video_thumb(){
    global $post;
    //检查该文章是否已经存储过优酷缩略图地址
    if(get_post_meta($post->ID, '_youku_thumb', true )){
        //已存储，就直接调用
        $video_thumb = get_post_meta($post->ID, '_youku_thumb', true );
        //如果没有存储，我们就需要通过优酷API获取
    }else{
        //开发者的client_id，每个ID都有调用次数限制，所以这里可以申请多个使用
        //下面一行的2个 client_id 是无效的，请自己申请后，填入
        $client_ids = array('d78e1f9c33332e3','490ad1e933338935');
        //从所填入的 client_id 中随机选取一个
        $num = array_rand($client_ids,1);
        $client_id = $client_ids[$num];
        //在文章内容中比对获取优酷视频ID（在文章中单独一行添加视频播放页面的网址即可插入视频的）
        preg_match("#https?://v.youku.com/v_show/id_(?<video_id>[a-z0-9_=-]+)#i", $post->post_content, $matches);
        $cnt = count($matches);
        if ($cnt>0){
            //获取到视频ID后，通过API读取缩略图
            $link = "https://openapi.youku.com/v2/videos/show.json?video_id={$matches['video_id']}&client_id={$client_id}";
            $cexecute= getSslPage($link);
            if ($cexecute) {
                //转换内容以供php读取
                $result = json_decode($cexecute,true);
                $json = $result['data'][0];
                //调用大缩略图 bigThumbnail 
                $video_thumb = $result['bigThumbnail'];
                if($video_thumb !=''){
                    //将调用都的缩略图地址存储到文章字段中，以供后面调用，不需反复调用API
                    update_post_meta( $post->ID, '_youku_thumb', $video_thumb );
                }
            }
        }else{
            //文章没有插入优酷视频的话，使用一个默认图片地址
            $video_thumb = 'http://默认图片的网址，请自己填写';
        }
    }
    return $video_thumb;
}

/**
* WordPress 获取优酷缩略图
* 作者：@WordPress大学
* 出处：https://www.wpdaxue.com/wordPress-get-youku-video-thumb.html
*/
// 该函数用于获取优酷api地址的内容，在下一个函数中要使用
function getSslPage($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_REFERER, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$result = curl_exec($ch);
curl_close($ch);
return $result;
}
//该函数获取优酷视频缩略图
function get_youku_video_thumb(){
global $post;
//检查该文章是否已经存储过优酷缩略图地址
if(get_post_meta($post->ID, ‘_youku_thumb’, true )){
//已存储，就直接调用
$video_thumb = get_post_meta($post->ID, ‘_youku_thumb’, true );
//如果没有存储，我们就需要通过优酷API获取
}else{
//开发者的client_id，每个ID都有调用次数限制，所以这里可以申请多个使用
//下面一行的2个 client_id 是无效的，请自己申请后，填入
$client_ids = array(‘d78e1f9c33332e3′,’490ad1e933338935’);
//从所填入的 client_id 中随机选取一个
$num = array_rand($client_ids,1);
$client_id = $client_ids[$num];
//在文章内容中比对获取优酷视频ID（在文章中单独一行添加视频播放页面的网址即可插入视频的）
preg_match("#https?://v.youku.com/v_show/id_(?<video_id>[a-z0-9_=-]+)#i", $post->post_content, $matches);
$cnt = count($matches);
if ($cnt>0){
//获取到视频ID后，通过API读取缩略图
$link = "https://openapi.youku.com/v2/videos/show.json?video_id={$matches[‘video_id’]}&client_id={$client_id}";
$cexecute= getSslPage($link);
if ($cexecute) {
//转换内容以供php读取
$result = json_decode($cexecute,true);
$json = $result[‘data’][0];
//调用大缩略图 bigThumbnail
$video_thumb = $result[‘bigThumbnail’];
if($video_thumb !=”){
//将调用都的缩略图地址存储到文章字段中，以供后面调用，不需反复调用API
update_post_meta( $post->ID, ‘_youku_thumb’, $video_thumb );
}
}
}else{
//文章没有插入优酷视频的话，使用一个默认图片地址
$video_thumb = ‘http://默认图片的网址，请自己填写’;
}
}
return $video_thumb;
}

注：请务必在 30 行填入你申请到的 应用key（client_id）”，否则无法正常使用！！

在实际使用中，我们可以使用

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<?php echo get_youku_video_thumb(); ?>

<?php echo get_youku_video_thumb(); ?>

输出视频缩略图的网址。

具体的演示地址，可以访问：http://www.daweijita.com/guitar_friend_works

2015-08-27_125644_wpdaxue_com

PS：如果哪位朋友知道怎么将获取到的缩略图缓存到自己的主机的方法，请分享下给，谢谢

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