从网页上读取内容 同时输出到文件

import java.io.*;
import java.net.*;
 
 public class SystemIn 
{
 public static void main(String[] args)
 {
 
  try
  {
    URL url1=new URL("http://www.baidu.com/");
   
    DataInputStream dis=new DataInputStream(url1.openStream());
   
    BufferedReader br=new BufferedReader(new InputStreamReader(dis));
   
    String s;
   
   PrintWriter out1=
     new PrintWriter(
      new BufferedWriter(
       new FileWriter("out1.htm"))); 
     
  
    while((s=br.readLine())!=null)
    {
       System.out.println(s);
  
       out1.println(s);
     }
     br.close();
     out1.close();
     
    FileInputStream fis=new FileInputStream("out1.htm");
    
  
   }
   catch(Exception e){ }
 

 

 
 }
}