jsoup的maven依赖及jsoup解析html获取Element的数据（demo）

package com.success.project;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import com.alibaba.druid.support.logging.Log;
import com.alibaba.druid.support.logging.LogFactory;

public class TestJsoupParseHtml {
    private static final  Log log = LogFactory.getLog(Test.class);
    public static void main(String[] args) {
        System.out.println("helloworld");
        String url = "http://hotels.ctrip.com/hotel/beijing1/location94#ctm_ref=hod_hp_sb_lst";
        String encoding ="utf-8";
        String html = getHTMLResourceByUrl(url,encoding);
        System.out.println(html);//输出html
        String fengzhuang = Fengzhuang(html,encoding);
        System.out.println(fengzhuang);
    }
    public static String Fengzhuang(String html,String encoding ){
        Document parse = null; 
        List<Map<String,String>> list = new ArrayList<Map<String,String>>();
        //解析html，按照什么编码进行解析html
         parse = Jsoup.parse(html,encoding);
         Element elementById = parse.getElementById("hotel_list");
         Elements elementsByClass = elementById.getElementsByClass("searchresult_list");
         for (Element element : elementsByClass) {
        Map<String,String> map = new HashMap<String,String>();
             //获取酒店的图片
            String imgSrc = element.getElementsByTag("img").attr("src");
            //获取酒店title
            String title = element.getElementsByTag("ima").attr("alt");
            //获取酒店的描述信息
          String desc = element.getElementsByClass("searchresult_htladdress").text();
          map.put("imgSrc", imgSrc);
          map.put("title",title);
          map.put("desc",desc);
          list.add(map);
         }
         return list.toString();
    }
    //获取html
    public static String getHTMLResourceByUrl(String url,String encoding){
        StringBuffer sb = new StringBuffer();
        URL urlObj =null;
        URLConnection openConnection =null;
        InputStreamReader isr = null;
        BufferedReader br = null;
        try {
             urlObj = new URL(url);
            openConnection = urlObj.openConnection();
            isr = new InputStreamReader(openConnection.getInputStream(),encoding);
            //建立文件缓冲流
             br = new BufferedReader(isr);
            //建立临时文件
            String temp = null;
            while((temp=br.readLine())!=null){
                sb.append(temp+"\n");
            }
        } catch (MalformedURLException e) {
            // TODO Auto-generated catch block
            log.error("error message", e);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            log.error("error message", e);
        }finally{
            try {
                if(isr !=null){
                    isr.close();
                }
            } catch (IOException e) {
                // TODO Auto-generated catch block
                log.error("error message", e);
            }
        }
        return sb.toString();
    }
    
}