Exemplo de Java para obter o endereço de vídeo Youku

复制代码代码如下:

importar java.io.bufferedReader;

importar java.io.inputStreamReader;

importar java.net.url;

importar java.util.regex.matcher;

importar java.util.regex.pattern;

importação net.sf.json.jsonArray;

importação net.sf.json.jsonexception;

importação net.sf.json.jsonObject;

Classe pública Videotools

{

public static void main (string [] args) lança exceção

{

Videotools Manager = new Videotools ();

String jsonurl = gerente.getVideourl ("http://v.youku.com/v_show/id_xmtgznda5otmy.html");

System.out.println (jsonurl.split ("#"). Comprimento);

}

public string getVideourl (string htmlurl) lança Jsonexception {

// 正则表达式解析地址 ， 取 id

Padrão p = padrão.compile (".*Id _ (// w+) //. Html");

String u = htmlurl;

Matcher M = P.Matcher (U);

String id = "";

if (m.find ()) {

id = m.group (1);

}

System.out.println (id);

// string id = "xmtgznda5otmy";

String s = getContent ("http://v.youku.com/player/getplaylist/videoids/"+id);

JsonObject jSobJ = new jsonObject ();

JSOBJ = JSOBJ.FromObject (s);

JsonArray jsonarr = jsobj.getjsonArray ("dados");

System.out.println (JSOBJ);

JsonObject obj1 = jsonarr.getjsonObject (0);

Title string = obj1.getString ("title");

semente dupla = obj1.getDouble ("semente");

JsonObject obj2 = obj1.getjsonObject ("streamfileids");

String mp4id = null;

String flvid = null;

String format = null;

tentar

{

mp4id = obj2.getString ("mp4");

format = "mp4";

} catch (Jsonexception e)

{

System.out.println ("没有 mp4 格式");

tentar

{

flvid = obj2.getString ("flv");

format = "flv";

} catch (Jsonexception e1)

{

System.out.println ("没有 flv 格式");

retornar "";

}

}

String realfileId = null;

if (format.equals ("mp4")))

{

realfileId = getFileId (mp4id, semente);

} outro

{

realfileId = getFileId (flvid, semente);

}

String idleft = realfileId.substring (0, 8);

String idright = realfileId.substring (10);

String sid = gensid ();

JsonObject obj3 = obj1.getjsonObject ("segs");

JsonArray mp4arr = obj3.getjsonArray (formato);

String videourl = "";

for (int i = 0; i <mp4arr.size (); i ++)

{

JsonObject o = mp4arr.getjsonObject (i);

String k = o.getString ("k");

String url = "http://f.youku.com/player/getflvpath/sid/" + sid + "_" + string.format ("%1 $ 02x", i) + "/st/" + formato

+ "/fileid/" + idleft + string.format ("%1 $ 02x", i) + idright + "? k =" + k;

System.out.println (URL);

Videourl+= url+"#";

}

retornar videourl;

}

String estática privada getFileId (string fileid, semente dupla)

{

String mixed = getFileIdMixString (semente);

String [] ids = fileid.split ("//*");

StringBuilder realid = new StringBuilder ();

int idx;

for (int i = 0; i <ids.length; i ++)

{

idx = Integer.parseint (ids [i]);

realid.append (mixed.charat (idx));

}

retornar realid.toString ();

}

public static string gensid ()

{

int i1 = (int) (1000 + math.floor (math.random () * 999));

int i2 = (int) (1000 + math.floor (math.random () * 9000));

return system.currenttimemillis () + "" + i1 + "" + i2;

}

String estática privada getFileIdMixString (semente dupla)

{

Stringbuilder mixed = new StringBuilder ();

StringBuilder Source = new StringBuilder ("abcdefghijklmnopqrStuvwxyzabcdefghijklmnopqrstuvwxyz ///:._- 1234567890");

Int índice, len = fonte.Length ();

para (int i = 0; i <len; ++ i)

{

semente = (semente * 211 + 30031) % 65536;

índice = (int) math.floor (semente / 65536 * fonte.length ());

mixed.append (fonte.charat (índice));

fonte.deleteCharat (índice);

}

return mixed.toString ();

}

public static string getContent (string strurl) {

tentar {

Url url = novo url (strurl);

BUBLEREDERRADER BR = new BufferredReader (new InputStreamReader (

url.openstream ()));

String s = "";

StringBuffer sb = new StringBuffer ("");

while ((s = Br.readline ())! = null) {

sb.append (s);

}

br.close ();

return sb.toString ();

} catch (Exceção e) {

Retornar "Erro Abrir URL:" + Strurl;

}

}

}