下载某网站的网页的内容

package com.netprogramming.url;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;

/** 
 *  功能：我想下载某网站的网页的内容
 *
 */
public class TestURL2 {

    public static void main(String[] args) throws UnsupportedEncodingException, IOException {
        //www.baidu.com
        URL url=new URL("http://www.sina.com.cn");

        //怎样把文件下载下来
//      InputStream is=url.openStream();
        //读出来
        BufferedReader br=new BufferedReader(new InputStreamReader(url.openStream(), "utf-8"));

        //打印流输出
        PrintWriter pw=new PrintWriter("e:"+File.separator+"test"+File.separator+"xinlang.html","UTF-8");
//      PrintStream ps=new PrintStream(new FileOutputStream("e:"+File.separator+"test"+File.separator+"xinlang.html"));

        //读出并输出
        String str=br.readLine();
        while(str!=null){
//          System.out.println(str);

            pw.write(str);
            pw.println();
//          ps.println(str);
            str=br.readLine();
        }
        br.close();
        pw.close();
//      ps.close();
    }

}