怎么从网页中采集需要的信息，然后提取到数据库中。拜求大神

Question

package duqu;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.URL;

public class duqu {

public static void main(String[] args) {

        String strUrl = "http://so.iqiyi.com/so/q_%E5%A4%8F%E6%9C%89%E4%B9%94%E6%9C%A8%E9%9B%85%E6%9C%9B%E5%A4%A9%E5%A0%82?source=suggest&sr=1073022967936";

        try {

            URL url = new URL(strUrl);

            InputStreamReader isr = new InputStreamReader(url.openStream(),

                    "utf-8");

            BufferedReader br = new BufferedReader(isr);