java读取RUL文件方法

 

import java.net.*;
import java.io.*;
public class Url{
 private BufferedReader br = null;
 private URL u = null;
 private StringBuffer html = new StringBuffer();
 BufferedReader in =null;
 PrintWriter out = null;

 public Url(){}
 
 public Url(String p){
  try{
   u = new URL(p);
  }
  catch(MalformedURLException mue){
  }
 }

 public void get(){
  try{
   in = new BufferedReader(new InputStreamReader(u.openStream()));
   String s = "";
   while((s= in.readLine()) != null){
    //System.out.println(s);
    html.append(s);
   }
  }
  catch(IOException ioe){
   System.out.println("can't open this url");
   ioe.printStackTrace();
  }
  catch(Exception e){
   e.printStackTrace();
  }
  finally{
   try{
    out.close();
   }
   catch(Exception e){}
  }
 }

 public void write(){
  try{
   out = new PrintWriter(new BufferedWriter(new FileWriter("./a.html")));
   out.println(this.html);
  }
  catch(FileNotFoundException fnfe){
  }
  catch(IOException ioe){
  }
  finally{
   try{
    out.close();
   }
   catch(Exception e){}
  }
 }

}

public class Test{
 public static void main(String [] args){
  Url u = new Url(" http://www.google.com ");
  u.get();
  u.write();
 }
}
来自：。。。。