[代碼] 華語 package com;import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.Input http://www.fpzhuhai.com/linked/20130207.do; Stream; import java.util.Date;import net.sf.json.JSONObject;import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpException; import org.apache.commons.httpclient.methods.GetMethod; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.select.Elements;/*** 批量下載baidu音樂主頁的歌曲.* @author gehouse**/ public class MusicSpider {public static final String BAI_DU_MUSIC = "http://music.baidu.com";private String saveDestinationPath;//下載保管途徑public MusicSpider(String saveDestinationPath){if(!saveDestinationPath.endsWith("/")){saveDestinationPath = "/"; }this.saveDestinationPath = saveDestinationPath;}private Document initDocument(String url) {try {Document doc = Jsoup.connect(url).header("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 5.2) Gecko/2008070208 Firefox/3.0.1").header("Accept", "text ml,application/xhtml xml").header("Accept-Language", "zh-cn,zh;q=0.5").header("Accept-Charset", "GB2312,utf-8;q=0.7,*;q=0.7").get();return doc;} catch (IOException e) {e.printStackTrace();}return null;}/*** 取到下載連接.* @param url* @return*/private String getDownLoadLink(String url) {if(url.contains("artist")){return null;}url = BAI_DU_MUSIC url;Document doc = initDocument(url);Element form = doc.getElementById("form");if(form == null){return null;}Elements linkLi = form.getElementsByTag("li");JSONObject json = JSONObject.fromObject(linkLi.get(0).attr("data-data"));String link = (String) json.get("link");if(link != null){link = link.substring(link.indexOf("?") 6, link.length());}return link;}/*** 下載.* @param downLoadlink* @param saveName* @param saveDestinationPath*/private void saveMusic(String downLoadlink, String saveName, String saveDestinationPath){System.out.print(saveName "----> 下載中......");Date d1 = new Date();try {HttpClient client = new HttpClient();GetMethod get = new GetMethod(downLoadlink);client.executeMethod(get);File file = new File(saveDestinationPath);if(!file.exists()){file.mkdirs();}file = new File(saveDestinationPath saveName ".mp3");FileOutputStream outputStream = new FileOutputStream(file);InputStream is = get.getResponseBodyAsStream();ByteArrayOutputStream swapStream = new ByteArrayOutputStream();byte[] buff = new byte[1024]; // buff用于寄存循環讀取的暫時數據int rc = 0;while ((rc = is.read(buff)) > 0) {swapStream.write(buff, 0, rc);}byte[] in_b = swapStream.toByteArray();outputStream.write(in_b);outputStream.close();} catch (HttpException e) {e.printStackTrace();} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}Date d2 = new Date();System.out.println(" 下載耗時：" ((d2.getTime()-d1.getTime()) / 1000) "秒");}public void catchMusic(){Document doc = initDocument(BAI_DU_MUSIC);Elements songList = doc.getElementsByClass("song-list");//取到歌曲列表for(int i = 0;i < songList.size();i ){Elements labelLi = songList.get(i).getElementsByTag("li");for(int j = 0;j < labelLi.size();j ){Elements labelA = labelLi.get(j).getElementsByTag("a");String musicName = labelA.get(0).attr("title");File file = new File(saveDestinationPath musicName ".mp3");if(!file.exists()){String href = labelA.get(0).attr("href");String downLoadlink = getDownLoadLink(href "/download?__o=/song/"href.substring(href.lastIndexOf("/") 1, href.length()));if(downLoadlink == null){continue;}saveMusic(downLoadlink, musicName, saveDestinationPath);}}}}/*** @param args*/public static void main(String[] args) {MusicSpider ms = new MusicSpider("e:/baidu_music");ms.catchMusic();}} http://www.szhaoexport.com/linked/20130207.do;

轉載于:https://www.cnblogs.com/fpqqchao/archive/2013/02/08/2909098.html

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