如何提取网页上表格中的数据

package com.gaojig;

import java.io.IOException;

import org.jsoup.Jsoup;

import org.jsoup.nodes.Document;

import org.jsoup.nodes.Element;

import org.jsoup.select.Elements;



public class TestJsoup {

	public static void main(String[] args) {

		try {

			

			Document doc = Jsoup.connect("http://gaojig.sinaapp.com/cr.html").get();

			

			Elements trs = doc.select("table").select("tr");

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

	            Elements tds = trs.get(i).select("td");

	            for(int j = 0;j<tds.size();j++){

	                String text = tds.get(j).text();

	                System.out.print(text);

	            }System.out.println();

	        }

		} catch (IOException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

	}

}