本文實例講述了java獲取百度網盤真實下載鏈接的方法。分享給大家供大家參考。具體如下：

目前還存在一個問題，同一ip在獲取3次以后會出現驗證碼，會獲取失敗，感興趣的朋友對此可以加以完善。

返回的List>? 中的map包含：fileName( 文件名),url(實鏈地址)

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HttpRequest.java如下：

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.RandomAccessFile;

import java.lang.reflect.Method;

import java.net.HttpURLConnection;

import java.net.URL;

public class HttpRequest {

public static String getData(String u) throws Exception {

String re="";

URL url = new URL(u);

HttpURLConnection httpURLConnection = (HttpURLConnection) url

.openConnection();

httpURLConnection.setRequestMethod("GET");

httpURLConnection.setDoInput(true);

httpURLConnection.setDoOutput(true);

InputStream is = httpURLConnection.getInputStream();

InputStreamReader isr = new InputStreamReader(is);

BufferedReader bufferedReader = new BufferedReader(isr);

String iL = "";

while ((iL = bufferedReader.readLine()) != null) {

re += iL + "\n";

}

return re;

}

}

獲取方法：

import java.net.URLEncoder;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

編程客棧import java.util.Map;

import org.json.JSONArray;

import org.json.JSONObject;

import org.jsoup.Jsoup;

import org.jsoup.nodes.Document;

public class BaiduNetDisk {

public static List> getUrl(String url) throws Exception {

List fs_id = new ArrayList();

List> list = new ArrayList>();

Document doc = Jsoup.connect(url).get();

String html = doc.toString();

int a = html.indexOf("{\"typicalPath");

int b = html.indexOf("yunData.getCon");

int sign_head = html.indexOf("yunData.SIGN = \"");

int sign_foot = html.indexOf("yunData.TIMESTAMP");

int time_head = html.indexOf("yunData.TIMESTAMP = \"");

int time_foot = html.indexOf("yunData.SHARE_UK");

int share_id_head = html.indexOf("yunData.SHARE_ID = \"");

int share_id_foot = html.indexOf("yunData.SIGN ");

String sign = html.substring(sign_head, sign_foot);

sign = sign.substring(sign.indexOf("\"") + 1, sign.indexOf("\";"));

String time = html.substring(time_head, time_foot);

time = time.substring(time.indexOf("\"") + 1, time.indexOf("\";"));

String share_id = html.substring(share_id_head, share_id_foot);

share_id = share_id.substring(share_id.indexOf("\"") + 1,

share_id.indexOf("\";"));

System.out.println(share_id);

html = html.substring(a, b);

a = html.indexOf("{\"typicalPath");

b = html.indexOf("};");

JSONArray jsonArray = new JSONArray("[" + html.substring(a, b + 1)

+ "]");

JSONObject jsonObject = jsonArray.getJSONObject(0);

String uk = jsonObject.getString("uk");

String shareid = jsonObject.getString("shareid");

String path = URLEncoder.encode(jsonObject.getString("typicalPath"),

"utf-8");

jsonArray = new JSONArray("[" + jsonObject.getString("file_list") + "]");

jsonObject = jsonArray.getJSONObject(0);

jsonArray = new JSONArray(jsonObject.getString("list"));

jsonObject = jsonArray.getJSONObject(0);

String app_id = jsonObject.getString("app_id");

if (jsonObject.getString("isdir").equals("1")) {

String url1 = "http://pan.baidu.com/share/list?uk="

+ uk

+ "&shareid="

+ shareid

+ "&page=1&num=100&dir="

+ path

+ "&order=time&desc=1&_="

+ time

+ "&bdstoken=c51077ce0e0e313a16066612a13fbcd4&channel=chunlei&clienttype=0&web=1&app_id="

+ app_id;

String fileListJson = HttpRequest.getData(url1);

www.cppcns.com System.out.println(fileListJson);

jsonArray = new JSONArray("[http://www.cppcns.com" + fileListJson + "]");

jsonObject = jsonArray.getJSONObject(0);

jsonArray = new JSONArray(jsonObject.getString("list"));

}

final int size = jsonArray.length();

for (int i = 0; i < size; i++) {

Map map = new HashMap();

jsonObject = jsonArray.getJSONObject(i);

String fileName = jsonObject.getString("server_filename");

map.put("fileName", fileName);

fs_id.add(jsonObject.getString("fs_id"));

String fileInfo = HttpRequest

.getData("http://pan.baidu.com/api/sharedownload?sign="

+ sign

+ "&timestamp="

+ time

+ "&bdstoken=c51077ce0e0e313a16066612a13fbcd4&channel=chunlei&clienttype=0&web=1&app_id=250528&encrypt=0&product=share&uk="

+ uk + "&primaryid=" + share_id + "&fid_list=%5B"

+ fs_id.get(i) + "%5D");

JSONArray jsonArray2 = new JSONArray("[" + fileInfo + "]");

JSONObject json_data = jsonArray2.getJSONObject(0);

if (json_data.getString("errno").equals("0")) {

jsonArray2 = new JSONArray(json_data.getString("list"));

json_data = jsonArray2.getJSONObject(0);

map.put("url", json_data.getString("dlink"));

} else if (json_data.getString("errno").equals("-20")) {

return null;

// String getVerCode();

} else {

return null;

}

list.add(map);

}

return list;

}

}

希望本文所述對大家的java程序設計有所幫助。

本文標題: java獲取百度網盤真實下載鏈接的方法

本文地址: http://www.cppcns.com/ruanjian/java/128186.html

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