?? server.java
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package org.jetic.web.chat;/** * Title: 經天網絡 * Description: * Copyright: Copyright (c) 2000<br> * Company: www.jetic.com 經天<br> * @author hover * @version 1.0 */import java.io.*;import java.net.*;import java.util.Vector;public class Server { private ServerSocket serverSocket = null; public static int port = 4444; private boolean listening = true; Vector clientSockets = new Vector(10); public Server() throws IOException { try { serverSocket = new ServerSocket(port); } catch (Exception ex) { System.err.println("不能監聽端口：" + port); ex.printStackTrace(System.err); System.exit(-1); } System.out.println("成功監聽端口：" + port); while (listening) addClient(serverSocket.accept()); serverSocket.close(); } public void addClient(Socket socket) throws IOException { new ServerThread(socket, this).start(); clientSockets.add(socket); send("歡迎 " + socket.getInetAddress().getHostName() + " 來到這里！"); System.out.println("聊天室共有 " + clientSockets.size() + " 人"); } public void removeClient(Socket socket) throws IOException { send("歡送 " + socket.getInetAddress().getHostName() + " 的離去"); clientSockets.remove(socket); System.out.println("聊天室共有 " + clientSockets.size() + " 人"); } public void send(String msg) throws IOException { Socket socket = null; for (int I = 0; I < clientSockets.size(); I++) { socket = (Socket)(clientSockets.get(I)); PrintWriter out = new PrintWriter(socket.getOutputStream(), true); out.println(msg); } } public static void main(String[] args) throws IOException { new Server(); }}?? 快捷鍵說明
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