content: package org.bianqi.wangyi.web.es.test;
  
  import java.io.IOException;
  import java.math.BigInteger;
  import java.security.SecureRandom;
  
  import org.bianqi.web.wangyi.utils.EncryptUtils;
  import org.jsoup.Jsoup;
  import org.jsoup.Connection.Method;
  import org.jsoup.Connection.Response;
  import org.jsoup.nodes.Document;
  import org.jsoup.nodes.Element;
  import org.jsoup.nodes.Node;
  import org.jsoup.select.Elements;
  import org.junit.Test;
  
  /**
   * <p>Title: GetSongName</p>
   * <p>Description: </p>
   * <p>School: qiqihar university</p> 
   * @author	BQ
   * @date	2018年3月16日下午8:48:23
   * @version 1.0.0
   */
  public class GetSongName {
  	
  	@Test
  	public void test1() throws Exception{
  		Response execute = Jsoup.connect("http://music.163.com/m/song?id=" + 91445)
  				.header("User-Agent",
  						"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36")
  				.header("Cache-Control", "no-cache").timeout(2000000000)
  				.execute();
  		Document parse = execute.parse();
  		Elements elementsByClass = parse.getElementsByClass("f-ff2");
  		Element element = elementsByClass.get(0);
  		Node childNode = element.childNode(0);
  		// 获取歌曲名称
  		String songName = childNode.toString();
  		System.out.println(songName);
  	}
  	
  	@Test
  	public void test2() throws Exception{
  		String req_str = "{\"ids\":\"[" + 91445 + "]\",\"br\":128000,\"csrf_token\":\"\"};";
  		String secKey = new BigInteger(100, new SecureRandom()).toString(32).substring(0, 16);
  		String encText = EncryptUtils.aesEncrypt(EncryptUtils.aesEncrypt(req_str, "0CoJUm6Qyw8W8jud"), secKey);
  		String encSecKey = EncryptUtils.rsaEncrypt(secKey);
  		Response execute = Jsoup.connect("http://music.163.com/weapi/song/enhance/player/url").data("params", encText)
  				.data("encSecKey", encSecKey).method(Method.POST).ignoreContentType(true).execute();
  		String string = execute.body().toString();
  		String substring = "";
  		int index1 = string.indexOf("\"url\":\"");
  		String str1 = "\",\"br\":";
  		int index2 = string.indexOf(str1);
  		substring = string.substring(index1 + 7, index2);
  		System.out.println(substring);
  	}
  	
  	@Test
  	public void test3(){
  		
  	}
  	
  }
  