java 上传文件(文本文件)

/**

 *  java file upload demo

 *  @author:luowen

 *  @time:2013-11-03

 */



import java.net.*;

import java.io.*;





class UploadClient

{

    public static void main(String[] args)throws Exception

    {

        //建立客户端socket对象

        Socket s = new Socket("127.0.0.1",10000);

        

        BufferedReader bur = new BufferedReader(new FileReader("demo.txt"));



        PrintStream ps = new PrintStream(s.getOutputStream(),true);



        String line;



        while((line = bur.readLine()) != null)

        {

            ps.println(line);

        }



        s.shutdownOutput();



        BufferedReader bufr = new BufferedReader(new InputStreamReader(s.getInputStream()));



        while((line = bufr.readLine()) != null)

        {

           System.out.println(line);

        }



        bur.close();

        bufr.close();

        ps.close();

        s.close();

        

    }

}



class UploadServer

{

    public static void main(String[] args)throws Exception

    {

       ServerSocket ss = new ServerSocket(10000);



       Socket s = ss.accept();



       String ip = s.getInetAddress().getHostName();



       System.out.println(ip+"........connected!");



       BufferedReader bufr = new BufferedReader(new InputStreamReader(s.getInputStream()));



       //BufferedWriter bufw = new BufferedWriter(new FileWriter("ServerDemo.txt"));

       PrintWriter bufw = new PrintWriter(new FileWriter("ServerDemo.txt"));



       String line;



       while((line = bufr.readLine()) != null)

       {

            //bufw.write(line,0,line.length());

            //bufw.flush();

            bufw.println(line);

       }



       OutputStream os = s.getOutputStream();



       os.write("上传成功!".getBytes());



       os.close();

       bufr.close();

       bufw.close();

       ss.close();

    }

}