Java Beispiel, um Youku -Videoadresse zu erhalten

复制代码代码如下::

Import Java.io.BufferedReader;

importieren java.io.inputStreamReader;

importieren java.net.url;

Import Java.util.Regx.Matcher;

Import Java.util.Regex.Pattern;

import net.sf.json.jsonArray;

import net.sf.json.jsonexception;

import net.sf.json.jsonObject;

öffentliche Klasse Videotools

{

öffentliche statische Leere Main (String [] Args) löst Ausnahme aus

{

Videotools Manager = new VideoOols ();

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

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

}

public String getVideOurl (String htmlurl) löst JSonexception {aus

// 正则表达式解析地址 ， 取 id

Muster p = muster.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 ("Daten");

System.out.println (JSOBJ);

JsonObject obj1 = jsonarr.getJsonObject (0);

String title = obj1.getString ("title");

Double Seed = obj1.getDouble ("Samen");

JsonObject obj2 = obj1.getJsonObject ("StreamFileids");

String mp4id = null;

String flvid = null;

String format = null;

versuchen

{

mp4id = obj2.getString ("mp4");

format = "mp4";

} catch (jSonexception e)

{

System.out.println ("没有 MP4 格式");

versuchen

{

flvid = obj2.getString ("flv");

format = "flv";

} catch (jSonexception E1)

{

System.out.println ("没有 flv 格式");

zurückkehren "";

}

}

String realFileId = null;

if (format.equals ("mp4"))

{

RealFileId = getFileId (MP4ID, Samen);

} anders

{

RealFileId = getFileId (flvid, samen);

}

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

String idright = realfileId.substring (10);

String Sid = Gensid ();

JsonObject obj3 = obj1.getJsonObject ("Segs");

JsonArray mp4arr = obj3.getJsonArray (Format);

String videourl = "";

für (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/" + Format

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

System.out.println (URL);

VideOurl+= url+"#";

}

Wiedergabe von Videourl;

}

private statische String getFileId (String FileId, Double Seed)

{

String gemischt = getFileIdmixString (Samen);

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

StringBuilder realid = new StringBuilder ();

int idx;

für (int i = 0; i <ids.length; i ++)

{

idx = integer.parseInt (ids [i]);

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

}

return realid.tostring ();

}

öffentliche statische Stringgensid ()

{

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

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

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

}

private statische String getFileIdmixString (Doppelsamen)

{

StringBuilder mixed = new StringBuilder ();

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

int index, len = source.length ();

für (int i = 0; i <len; ++ i)

{

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

Index = (int) math.floor (Seed / 65536 * source.length ());

mixed.Append (Source.Charat (Index));

Source.DeletEcharat (Index);

}

return mixed.toString ();

}

public statische Zeichenfolge getContent (String StRURL) {

versuchen {

URL URL = neue URL (STRURL);

BufferedReader BR = New BufferedReader (neuer InputStreamReader (

url.openstream ()));

String S = "";

StringBuffer sb = new StringBuffer ("");

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

sb.Append (s);

}

Br.CLOSE ();

return sb.tostring ();

} catch (Ausnahme e) {

zurückgeben "Fehler öffnen URL:" + Sturl;

}

}

}