前几天想从B站上下载一个MV放到博客上
然而下载下来的是*.blv格式...恩,video不支持这种格式

然后网上的小伙伴们告诉我可以转格式为MP4
于是我用格式工厂转换了,然而并没有什么软用

然后又有小伙伴告诉我B站支持分享到html
然而居然是Flash,手机浏览器还要下载Flash插件才能看
但是Flash可以转成MP4,然而我已经自己找到API了

通过av号
请求地址:http://api.bilibili.com/playurl?aid=后面加上av号
但是还有带上cookie才行:buvid3=2652DF89-E27E-4837-BF1F-FD313B37F64E15572infoc

例子:
请求地址:http://api.bilibili.com/playurl?aid=6735252
请求返回:

{
    "from":"local",
    "result":"suee",
    "format":"mp4",
    "timelength":366597,
    "accept_format":"flv,hdmp4,mp4",
    "accept_quality":[3,2,1],
    "seek_param":"start",
    "seek_type":"second",
    "durl":[
        {
            "order":1,
            "length":366597,
            "size":23646668,
            "url":"http:\/\/cn-fjxm-dx-v-02.acgvideo.com\/vg0\/d\/02\/10975955-1.mp4?expires=1498888800&platform=pc&ssig=LyyCru-K5PSGzxvn4k-GnA&oi=2043616783&nfa=fkYkF\/LEe5xFyJPq\/bZ9eQ==&dynamic=1&hfa=2070152627"
        }
    ],
    "img":"https:\/\/i1.hdslb.com\/bfs\/archive\/d7bec4f0ccd05ab2e85da8e1389add959e68ffa8.jpg",
    "cid":"http:\/\/comment.bilibili.com\/10975955.xml",
    "fromview":"vupload"
}

得到视频地址了,然而这个视频地址用不了
因为里面有一个坑
platform=pc替换成platform=html5就行了

这个用在番剧也是可以的
但是要先知道番剧的av号

然后我又找到了两个请求地址,可以取到番剧的av号

下面是B站一个番剧的链接

电脑:https://bangumi.bilibili.com/anime/5747/play#98574
移动设备:https://bangumi.bilibili.com/mobile/anime/5747/play/98574

我把5747称为番剧全集号
98574称为番剧单集号

通过番剧全集号
请求地址:http://bangumi.bilibili.com/jsonp/seasoninfo/ + 番剧全集号 + .ver

例子:
请求地址:http://bangumi.bilibili.com/jsonp/seasoninfo/5747.ver
请求返回:

{
    "code":0,
    "message":"success",
    "result":{
        "actor":[
            {
                "actor":"島﨑信長",
                "actor_id":0,
                "role":"藤丸立香"
            },
            {
                "actor":"高橋李依",
                "actor_id":0,"role":"玛修·基列莱特"
            },
            {
                "actor":"杉田智和",
                "actor_id":0,
                "role":"列夫·莱诺尔·佛劳洛斯"
            },
            {
                "actor":"鈴村健一",
                "actor_id":0,
                "role":"罗玛尼·阿其曼"
            },
            {
                "actor":"米澤円",
                "actor_id":0,
                "role":"奥尔加玛丽·阿尼姆斯菲亚"
            },
            {
                "actor":"川澄綾子",
                "actor_id":0,
                "role":"芙芙"
            },
            {
                "actor":"川澄綾子",
                "actor_id":0,
                "role":"阿尔托莉雅·潘德拉贡"
            },
            {
                "actor":"浅川悠",
                "actor_id":0,
                "role":"美杜莎"
            },
            {
                "actor":"諏訪部順一",
                "actor_id":0,
                "role":"卫宫"
            }
        ],
        "alias":"Fate/Grand Order -First Order-,fate,Fate/Grand Order ‐First Order‐,FGO,Fate Grand Order,",
        "allow_bp":"1",
        "allow_download":"1",
        "area":"日本",
        "arealimit":0,
        "ban_area_show":1,
        "bangumi_id":"3454",
        "bangumi_title":"Fate/Grand Order ‐First Order‐",
        "brief":"【2016年12月31日bilibili独播】2015年。示巴所观测到的未来领域毫无前兆地消失。根据...",
        "coins":"46426",
        "copyright":"dujia",
        "cover":"http://i0.hdslb.com/bfs/bangumi/b75c55d209d156c8631f5ceb21e5c52c834dbb60.jpg",
        "danmaku_count":"218533",
        "ed_jump":5,
        "episodes":[
            {
                "av_id":"7772646",
                "coins":"42994",
                "cover":"http://i2.hdslb.com/bfs/archive/34b46557045ce4729bdb4536d3e27b34e562852f.jpg",
                "episode_id":"98574",
                "episode_status":2,
                "index":"1",
                "index_title":"特别篇",
                "is_webplay":"0",
                "mid":"928123",
                "page":"1",
                "up":{},
                "update_time":"2016-12-31 23:00:09.0",
                "webplay_url":"http://bangumi.bilibili.com/anime/5747/play#98574"
            },
            {
                "av_id":"7408100",
                "coins":"3432",
                "cover":"http://i2.hdslb.com/bfs/archive/a252b0fa31fd5fd1647f6eb4784052f374995ab4.jpg",
                "episode_id":"97457",
                "episode_status":2,
                "index":"PV",
                "index_title":"",
                "is_webplay":"0",
                "mid":"928123",
                "page":"1",
                "up":{},
                "update_time":"2016-12-06 21:35:16.0",
                "webplay_url":"http://bangumi.bilibili.com/anime/5747/play#97457"
            }
        ],
        "evaluate":"【2016年12月31日bilibili独播】2015年。示巴所观测到的未来领域毫无前兆地消失。根据计算,发现——不,是证明了人类将于2017年灭绝。人理延续保障机构·迦勒底将“无法观测的领域”假定为人类灭绝的原因,决定执行尚处于试验阶段的第六实验。那就是回到过去的时间旅行。将术者灵子化送往过去,通过介入事象,寻找出时空奇点,究明真相或予以破坏的禁断的仪式。其名为圣杯探索——冠位指定(Grand Order)。",
        "favorites":"1374580",
        "is_finish":"1",
        "is_started":1,
        "jp_title":"Fate/Grand Order -First Order-",
        "limitGroupId":340,
        "newest_ep_id":"98574",
        "newest_ep_index":"1",
        "origin_name":"Fate/Grand Order -First Order-",
        "payment":{"price":"0"},
        "play_count":"9325405",
        "pub_time":"2016-12-31 23:00:00",
        "related_seasons":[],
        "season_id":"5747",
        "season_status":2,
        "season_title":"特别篇",
        "seasons":[],
        "share_url":"http://bangumi.bilibili.com/anime/5747/",
        "squareCover":"http://i0.hdslb.com/bfs/bangumi/46bc9607b64d8aa4d40d5ff9873e49b1817684b1.jpg",
        "staff":"脚本:関根アユミ\n导演:難波日登志\n原作:TYPE-MOON\n人物原案:武内崇\n演出:安部元宏、塚田拓郎\n分镜:難波日登志、塚田拓郎\n音乐:川崎龍\n",
        "tag2s":[],
        "tags":[
            {
                "cover":"http://i0.hdslb.com/bfs/bangumi/2182a63b87a3078dcfc78c6a3ea4ab9042db1403.jpg",
                "tag_id":"95",
                "tag_name":"战斗"
            },
            {
                "cover":"http://i0.hdslb.com/bfs/bangumi/d364c430edf2c8bbe2514237cb48ff8db7579741.jpg",
                "tag_id":"136",
                "tag_name":"游戏改"
            }
        ],
        "title":"Fate/Grand Order ‐First Order‐",
        "total_count":"1",
        "user_season":{
            "attention":"0",
            "bp":0,
            "last_ep_index":"",
            "last_time":"0",
            "report_ts":0
        },
        "version":"other",
        "viewRank":0,
        "vip_quality":1,
        "watchingCount":"0",
        "weekday":"-1"
    }
}

这样可以取到整个番剧的av号
但是经常返回失败

通过番剧单集号
请求地址:http://bangumi.bilibili.com/web_api/episode/ + 番剧单机号 + .json

例子:
请求地址:http://bangumi.bilibili.com/web_api/episode/98574.json
请求返回:

{
    "code":0,
    "message":"success",
    "result":{
        "upInfo":{
            "face":"http://i2.hdslb.com/bfs/face/60a9153609998b04301dc5b8ed44c41b537a2268.jpg",
            "mid":928123,
            "sign":"",
            "uname":"哔哩哔哩番剧",
            "vip":{
                "vipStatus":0,
                "vipType":0
            }
        },
        "upVipInfo":{
        "vipStatus":0,
        "vipType":0
        },
        "currentEpisode":{
            "avId":"7772646",
            "bangumiTitle":"",
            "cover":"http://i2.hdslb.com/bfs/archive/34b46557045ce4729bdb4536d3e27b34e562852f.jpg",
            "danmaku":"12744209",
            "episodeId":98574,
            "index":"1",
            "indexTitle":"1",
            "isDelete":"0",
            "longTitle":"特别篇",
            "mid":"928123",
            "page":"1",
            "pubDate":"2016-12-31",
            "pubTime":"23:00",
            "published":"1",
            "push":"1",
            "seasonId":5747,
            "status":2,
            "weekday":-1
        }
    }
}

用这些方法,我自己再整理了一个
请求地址:
请求参数:

/* 请求参数
 * @id
 * @type
 *      a av号
 *      b 番剧全集号
 *      c 番剧单集号
 * @callback 回调函数名,可空
 * @var 变量名,可空
 *
 * callback 与 var 最多填写一个
 */

下载地址:bilibili.zip

代码:

<?php
    /* 请求参数
     * @id
     * @type
     *      a av号
     *      b 番剧全集号
     *      c 番剧单集号
     * @callback 回调函数名,可空
     * @var 变量名,可空
     *
     * callback 与 var 最多填写一个
     */
    function bilibili_get_data($url){
        $cookie = 'fts=1498895556; buvid3=2652DF89-E27E-4837-BF1F-FD313B37F64E15572infoc; finger=81df3ec0; sid=j5akrgf8; biliMzIsnew=1; biliMzTs=null;';
        $ch = curl_init();
        curl_setopt ($ch, CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
        curl_setopt($ch,CURLOPT_COOKIE,$cookie);
        $data = curl_exec($ch); 
        curl_close($ch);        
        return $data;
    }
    function bilibili_get_by_av($id){
        $url = 'http://api.bilibili.com/playurl?aid=' . $id;
        $json = bilibili_get_data($url);
        $data = json_decode($json);
        $result = new stdClass();
        $result -> av_id = $id;
        $result -> url = str_replace('platform=pc','platform=html5',$data -> durl[0] -> url);
        $result -> format = $data -> format;
        $result -> length = $data -> timelength;
        $result -> size = $data -> durl[0] -> size;
        $result -> img = $data -> img;
        $result -> barrage = $data -> cid;
        return $result;
    }

    if(empty($_GET['id']) || empty($_GET['type'])){
        die('{"error":"参数错误!"}');
    }
    $id = $_GET['id'];
    $type = $_GET['type'];

    /*$id = '6735252';
    $type = 'a';*/

    /*$id = '5747';
    $type = 'b';*/

    /*$id = '98574';
    $type = 'c';*/

    switch($type){
        case 'a':
            $return = bilibili_get_by_av($id);
            break;
        case 'b':
            $url = 'http://bangumi.bilibili.com/jsonp/seasoninfo/' . $id . '.ver?jsonp:jsonp&amp;_=' . time();
            $json = bilibili_get_data($url);
            $json = str_replace('seasonListCallback(','',$json);
            $json = str_replace(');','',$json);
            $data = json_decode($json);
            if(!$data){
                die('{"error":"服务器抽风啦!"}');
            }
            $result = new stdClass();
            $result -> bangumi_id = $id;
            $result -> title = $data -> result -> title;
            $result -> total_count = $data -> result -> total_count;
            $result -> episodes = new stdClass();
            foreach ($data -> result -> episodes as $value){
                $index = $value -> index;               
                $result -> episodes -> $index = bilibili_get_by_av($value -> av_id);
                $result -> episodes -> $index -> title = $value -> index_title;
            }
            $return = $result;
            break;
        case 'c':
            $url = 'http://bangumi.bilibili.com/web_api/episode/' . $id . '.json';
            $json = bilibili_get_data($url);
            $data = json_decode($json);

            $result = new stdClass();
            $result = bilibili_get_by_av($data -> result -> currentEpisode -> avId);
            $result -> index = $data -> result -> currentEpisode -> index;
            $return = $result;
            break;
        default:
            die('{"error":"参数错误!"}');
    }
    //$_return = stripslashes(json_encode($return,JSON_UNESCAPED_UNICODE));
    if (!empty($_GET['callback'])){
        header("Content-type: text/javascript; charset=utf-8");
        echo $_GET['callback'] . '(' . stripslashes(json_encode($return,JSON_UNESCAPED_UNICODE)) . ');';
    }else if(!empty($_GET['var'])){
        header("Content-type: text/javascript; charset=utf-8");
        echo $_GET['var'] . '=' . stripslashes(json_encode($return,JSON_UNESCAPED_UNICODE)) . ';';
    }else{
        header("Content-type: text/json; charset=utf-8");
        echo stripslashes(json_encode($return,JSON_UNESCAPED_UNICODE));
    }
?>

更新

本方法已废,推荐:哔哩哔哩API

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