[理学]局域网内的多功能聊天室-java.docVIP

局域网内的多功能聊天室源代码： import .*; import java.util.*; import java.io.*; public class ChatServer { static final int DEFAULT_PORT = 6000; static ServerSocket serverSocket; static VectorSocket connections;// 连接 static VectorClientProc clients; //发送信息给所有的人 public static void sendAll(String s) {if (connections != null) {for (Enumeration e = connections.elements(); // Enumeration过时的接口，// 可以用for each循环 e.hasMoreElements();) {try {PrintWriter pw = new PrintWriter(((Socket) e.nextElement()) .getOutputStream()); pw.println(s); pw.flush(); } catch (IOException ex) {ex.printStackTrace(); }}} System.out.println(s); } //发送信息给单独一个人 public static boolean sendOne(String name, String msg) {if (clients != null) {for (Enumeration e = clients.elements(); e.hasMoreElements();) {ClientProc cp = (ClientProc) e.nextElement(); if ((cp.getName()).equals(name)) {try {PrintWriter pw = new PrintWriter((cp.getSocket()) .getOutputStream()); pw.println(msg); pw.flush(); return true; // 返回值为真，找到了这个人可以进行聊天 } catch (IOException ioe) {ioe.printStackTrace(); }}}} return false;// 没有找到这个人，应该是此人已经退出了聊天室 } public static void addConnection(Socket s, ClientProc cp) {if (connections == null) {connections = new VectorSocket();} connections.addElement(s); if (clients == null) {clients = new VectorClientProc();} clients.addElement(cp);} public static void deleteConnection(Socket s, ClientProc cp) throws IOException {if (connections != null) {connections.removeElement(s); s.close();} if (clients != null) {clients.removeElement(cp);}} public static Vector getClients() {return clients;} /*服务器端在此启动*/ public static void main(String[] arg) {int port = DEFAULT_PORT; try {serverSocket = new ServerSocket(port); System.out.println(服务器已经启动，正在监听...); } catch (IOException e) {System.out.println(异常); System.err.println(e); System.exit(1);} while (true) { // 死循环 try {S