package com.billy.test;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;/*** 爬取并下载酷狗的歌曲*/
public class SpiderKugou {private static String filePath;//酷狗地址private static String LINK;//mp3地址private static String mp3;static {filePath = "F:/music/";LINK = "https://www.kugou.com/yy/rank/home/PAGE-8888.html?from=rank";mp3 = "https://wwwapi.kugou.com/yy/index.php?r=play/getdata&callback=jQuery19103632090130122796_1558800325111&"+ "hash=HASH&_=TIME";}public static void main(String[] args) throws Exception {for(int i = 5 ; i < 23 ; i++){String url = LINK.replace("PAGE", i + "");downSong(url);}}/*** 下载歌曲* @param url* @throws Exception*/private static void downSong(String url) throws Exception{HttpGetConnect connect = new HttpGetConnect();String content = connect.connect(url, "utf-8");HtmlManage html = new HtmlManage();Document doc = html.manage(content);Element ele = doc.getElementsByClass("pc_temp_songlist").get(0);Elements elements = ele.getElementsByTag("li");for(int i = 0 ; i < elements.size() ; i++){Element item = elements.get(i);String title = item.attr("title").trim();String link = item.getElementsByTag("a").first().attr("href");downLoad(link,title);Thread.sleep(1000);}}/*** 下载* @param url* @param name* @throws IOException*/private static void downLoad(String url,String name) throws IOException{String hash = "";HttpGetConnect connect = new HttpGetConnect();String content = connect.connect(url, "utf-8");String regEx = "\"hash\":\"[0-9A-Z]+\"";// 编译正则表达式Pattern pattern = Pattern.compile(regEx);Matcher matcher = pattern.matcher(content);if (matcher.find()) {hash = matcher.group();hash = hash.replace("\"hash\":\"", "");hash = hash.replace("\"", "");}String item = mp3.replace("HASH", hash);item = item.replace("TIME", System.currentTimeMillis() + "");System.out.println("item:" + item);String mp = connect.connect(item, "utf-8");mp = mp.substring(mp.indexOf("(") + 1, mp.length() - 3);JSONObject json = JSON.parseObject(mp);if(Integer.parseInt(json.get("status") + "") != 0){String playUrl = json.getJSONObject("data").getString("play_url");FileDownload down = new FileDownload();down.download(playUrl, filePath + name + ".mp3");}}}

package com.billy.test;import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpEntity;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.BasicHttpClientConnectionManager;import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;/*** httpclient 工具类*/
public class HttpGetConnect {/***  获取html内容* @param url* @param charsetName  UTF-8、GB2312* @return* @throws IOException*/public static String connect(String url,String charsetName) throws IOException{BasicHttpClientConnectionManager connManager = new BasicHttpClientConnectionManager();CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(connManager).build();String content = "";try{HttpGet httpget = new HttpGet(url);RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(5000).setConnectTimeout(50000).setConnectionRequestTimeout(50000).build();httpget.setConfig(requestConfig);httpget.setHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");httpget.setHeader("Accept-Encoding", "gzip,deflate,sdch");httpget.setHeader("Accept-Language", "zh-CN,zh;q=0.8");httpget.setHeader("Connection", "keep-alive");httpget.setHeader("Upgrade-Insecure-Requests", "1");httpget.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36");httpget.setHeader("cache-control", "max-age=0");httpget.setHeader("Referer","https://www.kugou.com/song/");//设置cookiehttpget.setHeader("Cookie", "kg_mid=9393340fecff864a4d6c4e95099b2be1;");CloseableHttpResponse response = httpclient.execute(httpget);int status = response.getStatusLine().getStatusCode();if (status >= 200 && status < 300) {HttpEntity entity = response.getEntity();InputStream instream = entity.getContent();BufferedReader br = new BufferedReader(new InputStreamReader(instream,charsetName));StringBuffer sbf = new StringBuffer();String line = null;while ((line = br.readLine()) != null){sbf.append(line + "\n");}br.close();content = sbf.toString();} else {content = "";}}catch(Exception e){e.printStackTrace();}finally{httpclient.close();}log.info("content is " + content);return content;}private static Log log = LogFactory.getLog(HttpGetConnect.class);
}

package com.billy.test;import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;import java.io.IOException;
import java.util.ArrayList;
import java.util.List;/*** html manage 工具类*/
public class HtmlManage {public Document manage(String html) {Document doc = Jsoup.parse(html);return doc;}public Document manageDirect(String url) throws IOException {Document doc = Jsoup.connect(url).get();return doc;}public List<String> manageHtmlTag(Document doc, String tag) {List<String> list = new ArrayList<String>();Elements elements = doc.getElementsByTag(tag);for (int i = 0; i < elements.size(); i++) {String str = elements.get(i).html();list.add(str);}return list;}public List<String> manageHtmlClass(Document doc, String clas) {List<String> list = new ArrayList<String>();Elements elements = doc.getElementsByClass(clas);for (int i = 0; i < elements.size(); i++) {String str = elements.get(i).html();list.add(str);}return list;}public List<String> manageHtmlKey(Document doc, String key, String value) {List<String> list = new ArrayList<String>();Elements elements = doc.getElementsByAttributeValue(key, value);for (int i = 0; i < elements.size(); i++) {String str = elements.get(i).html();list.add(str);}return list;}private static Log log = LogFactory.getLog(HtmlManage.class);
}

package com.billy.test;import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;/*** 文件下载工具类*/
public class FileDownload {/*** 文件下载** @param url  链接地址* @param path 要保存的路径及文件名* @return*/public static boolean download(String url, String path) {boolean flag = false;CloseableHttpClient httpclient = HttpClients.createDefault();RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(2000).setConnectTimeout(2000).build();HttpGet get = new HttpGet(url);get.setConfig(requestConfig);BufferedInputStream in = null;BufferedOutputStream out = null;try {for (int i = 0; i < 3; i++) {CloseableHttpResponse result = httpclient.execute(get);System.out.println(result.getStatusLine());if (result.getStatusLine().getStatusCode() == 200) {in = new BufferedInputStream(result.getEntity().getContent());File file = new File(path);out = new BufferedOutputStream(new FileOutputStream(file));byte[] buffer = new byte[1024];int len = -1;while ((len = in.read(buffer, 0, 1024)) > -1) {out.write(buffer, 0, len);}flag = true;break;} else if (result.getStatusLine().getStatusCode() == 500) {continue;}}} catch (Exception e) {e.printStackTrace();flag = false;} finally {get.releaseConnection();try {if (in != null) {in.close();}if (out != null) {out.close();}} catch (Exception e) {e.printStackTrace();flag = false;}}return flag;}private static Log log = LogFactory.getLog(FileDownload.class);
}