java下socket传图片

package cn.stat.p4.ipdemo;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class imageserver {

    /**
     * @param args
     * @throws IOException
     */
    public static void main(String[] args) throws IOException {
        ServerSocket ss=new ServerSocket(10000);

        Socket s=ss.accept();

        InputStream ins=s.getInputStream();

        byte[]  buf=new byte[1024];

        int len=0;

        File file=new File("2.gif");
        if(!file.exists())
            file.createNewFile();

        FileOutputStream fout=new FileOutputStream(file);

        while((len=ins.read(buf))!=-1)
        {
            fout.write(buf,0,len);
        }
        fout.flush();

        OutputStream outs=s.getOutputStream();
        outs.write("完成".getBytes());
        fout.close();
        outs.close();
        ins.close();
        s.close();
        ss.close();

    }

}

package cn.stat.p4.ipdemo;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;

public class imageclent {

    /**
     * @param args
     * @throws IOException
     * @throws UnknownHostException
     */
    public static void main(String[] args) throws UnknownHostException, IOException {
        Socket s=new Socket("192.168.1.103",10000);

        FileInputStream files=new FileInputStream("1.gif");

        OutputStream outs=s.getOutputStream();

        byte[] buf=new byte[1024];

        int len=0;

        while((len=files.read(buf))!=-1)
        {
            outs.write(buf,0,len);
        }

        s.shutdownOutput();

        InputStream ins=s.getInputStream();

        byte[] ibuf=new byte[1024];

        int ilen=ins.read(ibuf);

        String text=new String(ibuf,0,ilen);
        System.out.println(text);

        ins.close();
        outs.close();
        files.close();
        s.close();

    }

}