package cn.stat.p4.ipdemo;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.ServerSocket;

import java.net.Socket;

public class serverDemo {

    /**

     * @param args

     * @throws IOException

     */

    public static void main(String[] args) throws IOException {

        //创建服务器对像

        ServerSocket ss=new ServerSocket(1000);

        //获取连接过来的客户端对像

        Socket s=ss.accept();

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

        int port=s.getPort();

        //通过socket对象获取输入流，要读取客户端发过来的数据

        InputStream in=s.getInputStream();

        byte[] buf=new byte[1024];

        int len=in.read(buf);

        String text=new String(buf,0,len);

        System.out.println(ip+":"+port+":"+text);

        //使用客户端的socket对象传输数据回客户端

        OutputStream out=s.getOutputStream();

        out.write("收到".getBytes());

        s.close();

        ss.close();

    }

}

package cn.stat.p4.ipdemo;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.Socket;

import java.net.UnknownHostException;

public class clentDemo {

    /**

     * @param args

     * @throws IOException

     * @throws UnknownHostException

     */

    public static void main(String[] args) throws UnknownHostException, IOException {

        //创建连接对像

        Socket socket=new Socket("192.168.1.103",1000);

        //获取流对像

        OutputStream out=socket.getOutputStream();

        out.write("我又来了".getBytes());

        //读取服务端返回数据

        InputStream in=socket.getInputStream();

        byte[] buf=new byte[1024];

        int len=in.read(buf);

        String text=new String(buf,0,len);

        System.out.println(text);

        socket.close();

    }

}