知识大全 java多线程控制台聊天室

Posted 2022-07-18 消息

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　　package tf thread;

　　import java io BufferedReader;

　　import java io IOException;

　　import java io InputStreamReader;

　　import java io PrintWriter;

　　import ServerSocket;

　　import Socket;

　　import java util ArrayList;

　　import java util List;

　　import ncurrent ExecutorService;

　　import ncurrent Executors;

　　public class ChatServer

　　private static final int PORT = ; // 端口号

　　private static List<Socket> list = new ArrayList<Socket>(); // 保存连接对象

　　private ExecutorService exec;

　　private ServerSocket server;

　　public static void main(String[] args)

　　new ChatServer();

　　public ChatServer()

　　try

　　server = new ServerSocket(PORT);

　　exec = Executors newCachedThreadPool();

　　System out println( 服务器已启动！ );

　　Socket client = null;

　　while (true)

　　client = server accept(); // 接收客户连接

　　list add(client);

　　exec execute(new ChatTask(client));

　　 catch (IOException e)

　　e printStackTrace();

　　static class ChatTask implements Runnable

　　private Socket socket;

　　private BufferedReader br;

　　private PrintWriter pw;

　　private String msg;

　　public ChatTask(Socket socket) throws IOException

　　this socket = socket;

　　br = new BufferedReader(new InputStreamReader(socket

　　 getInputStream()));

　　msg = 【 + this socket getInetAddress() + 】进入聊天室！当前聊天室有【

　　+ list size() + 】人 ;

　　sendMessage();

　　public void run()

　　try

　　while ((msg = br readLine()) != null)

　　if (msg trim() equals( bye ))

　　list remove(socket);

　　br close();

　　pw close();

　　msg = 【 + socket getInetAddress() + 】离开聊天室！当前聊天室有【

　　+ list size() + 】人 ;

　　socket close();

　　sendMessage();

　　break;

　　 else

　　msg = 【 + socket getInetAddress() + 】说 + msg;

　　sendMessage();

　　 catch (IOException e)

　　e printStackTrace();

　　/**

　　* 群发消息给聊天室的所有人

　　private void sendMessage() throws IOException

　　System out println(msg);

　　for (Socket client : list)

　　pw = new PrintWriter(client getOutputStream() true);

　　pw println(msg);

　　package tf thread;

　　import java io BufferedReader;

　　import java io InputStreamReader;

　　import java io PrintWriter;

　　import Socket;

　　import ncurrent ExecutorService;

　　import ncurrent Executors;

　　public class ChatClient

　　private static final int PORT = ;

　　private static ExecutorService exec = Executors newCachedThreadPool();

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

　　new ChatClient();

　　public ChatClient()

　　try

　　Socket socket = new Socket( PORT);

　　exec execute(new Sender(socket));

　　System out

　　 println( 【 + socket getInetAddress() + 】您好欢迎来到阿飞聊天室！ );

　　BufferedReader br = new BufferedReader(new InputStreamReader(socket

　　 getInputStream()));

　　String msg;

　　while ((msg = br readLine()) != null)

　　System out println(msg);

　　 catch (Exception e)

　　/**

　　* 客户端线程获取控制台输入消息

　　static class Sender implements Runnable

　　private Socket socket;

　　public Sender(Socket socket)

　　this socket = socket;

　　public void run()

　　try

　　BufferedReader br = new BufferedReader(new InputStreamReader(

　　System in));

　　PrintWriter pw = new PrintWriter(socket getOutputStream() true);

　　String msg;

　　while (true)

　　msg = br readLine();

　　pw println(msg);

　　if (msg trim() equals( bye ))

　　pw close();

　　br close();

　　exec shutdownNow();

　　break;

　　 catch (Exception e)

　　e printStackTrace();

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