标签测试文章

client端

import java.io.*;
import java.net.*;

public class client
{
    public static void main(String[] args)
    {
        try{
            Socket socket = new Socket("127.0.1.1",1681);
            InetAddress addr = socket.getInetAddress();
            System.out.println(addr.getHostAddress());
            PrintWriter out = new PrintWriter(socket.getOutputStream());
            BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            BufferedReader sin = new BufferedReader(new InputStreamReader(System.in));
            String s;
            do{
                System.out.println("(client1端)请输入：");
                s=sin.readLine();
                out.println(s);
                out.flush();
                System.out.println("sever说:"+in.readLine());
                if(s.equals(null)){
                  System.out.println("服务器断开");
                  break;
                }
            }while(!s.equals("bye"));
            out.close();
            in.close();
            socket.close();

        }
        catch(Exception e)
        {
            System.out.println(e);
        }
    }
}

server端

import java.io.*;
import java.net.*;

public class server
{
    public static void main(String[] args)
    {

        try{
            ServerSocket server = new ServerSocket(1681);
            Socket socket = server.accept();
            InetAddress addr = socket.getInetAddress();
            System.out.println(addr.getHostAddress());
            BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));//获取client端流
            PrintWriter out = new PrintWriter(socket.getOutputStream());//发送数据
            BufferedReader sin = new BufferedReader(new InputStreamReader(System.in));
            String s;
            while(true){
                System.out.println("（sever端）请输入：");
                if((s = in.readLine()).equals("bye"))
                  break;
                System.out.println("client1说:"+s);
                out.println(sin.readLine());
                out.flush();
            }
            System.out.println("end");
            in.close();
            out.close();
            socket.close();
            server.close();
        }
        catch(Exception e){
            System.out.println(e);
        }
    }
}

InetAddress

import java.net.*;


public class inetaddress{
  public static void main(String args[]){
    try{
          InetAddress addr = InetAddress.getLocalHost();
          //ip = addr.getHostAddress();
          System.out.println(addr.getHostName());
          System.out.println(addr.getHostAddress());
     } catch(Exception ex) {
         System.err.print(ex);
     }
  }
}