基于TCP协议的客户端

 基于TCP协议的客户端 此客户端能用于下一篇博客的单线程服务器和多线程服务器

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.InetAddress;

import java.net.Socket;

import java.util.Scanner;

import java.util.Timer;

import java.util.TimerTask;

 

public class JabberClient

{

 

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

    {

        new KeHuJi();

    }

}

 

class KeHuJi

{

    BufferedReader in = null;

    PrintWriter out = null;

    public  String name = null;

 

    class JieShou extends TimerTask//每隔一段时间就检查本地这个端口是否有新的消息发送过来

    {

        public void run()

        {

            String string = null;

            try

            {

                string = in.readLine();

                if (string != null)

                {

                    System.out.println(string);

                }

            } catch (Exception e)

            {

                // TODO: handle exception

            }

 

        }

    }

 

    public KeHuJi() throws IOException

    {

        InetAddress addr = InetAddress.getLocalHost();

        Socket socket = null;

        String ipString = null;

        Scanner scanner = new Scanner(System.in);

        System.out.println("请输入服务器的ip");

        ipString = scanner.next();

        socket = new Socket(ipString, 8089);//创建一个客户对象并与服务器相连  端口是8089，此时服务器会收到一个连接请求

        System.out.println("请输入的你的名字");

        name = scanner.next();

        scanner.close();

        try

        {

            System.out.println("连接成功");

            in = new BufferedReader(new InputStreamReader(socket.getInputStream()));

            out = new PrintWriter(socket.getOutputStream(), true);

 

            Timer timer = new Timer();

            JieShou jieShou = new JieShou();

            timer.schedule(jieShou, 10, 200);//每隔200毫秒就接收一次服务器发来的消息

            while (true)//发送消息

            {

                Scanner in1 = new Scanner(System.in);

                out.println(name + ":  " + in1.next());

            }

 

        } catch (Exception e)

        {

        }

        finally

        {

            socket.close();

        }

    }

}