知识大全 Java多线程Socket操作猜数游戏样例

Posted 2022-07-18 知

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　　服务器端程序接受连接并处理客户端的请求 ServerApp java package test; import java io *; import *; /** *//** * 服务器端程序 * * @author luxuan 修正赵学庆 * */ public class ServerApp static final int PORT = ; private ServerSocket serverSocket; private Socket socket; private BufferedReader netIn; private PrintWriter netOut; public ServerApp() throws IOException serverSocket = new ServerSocket(PORT); System out println( server start ); while (true) // 等待连接 socket = serverSocket accept(); ServerThread st = new ServerThread(socket); new Thread(st) start(); class ServerThread implements Runnable private Socket socket; private int randomNumber; private int clientGuessNumber; public ServerThread(Socket s) throws IOException socket = s; netIn = new BufferedReader(new InputStreamReader(socket getInputStream())); netOut = new PrintWriter(socket getOutputStream()); public void run() System out println( client + socket getInetAddress() + is connect ); randomNumber = (int) (Math random() * ); System out println( random number is: + randomNumber); try clientGuessNumber = Integer parseInt(netIn readLine()); System out println( client guess number is: + clientGuessNumber); for (int i = ; i > ; i ) if (clientGuessNumber == randomNumber) netOut println( OK 恭喜猜对了 ); ClientApp finished = true; else if (clientGuessNumber < randomNumber) netOut println( 您猜的数小了您还有 + (i ) + 次机会 ); ClientApp finished = false; else if (clientGuessNumber > randomNumber) netOut println( 您猜的数大了您还有 + (i ) + 次机会 ); ClientApp finished = false; netOut flush(); if (!ClientApp finished) clientGuessNumber = Integer parseInt(netIn readLine()); else break; if (!ClientApp finished) netOut println( OK 您没有机会了游戏结束 ); ClientApp finished = true; catch (IOException e) finally try netOut close(); netIn close(); socket close(); catch (IOException ee) public static void main(String[] args) throws IOException new ServerApp(); 客户端程序发送每次猜的数字 package test; import java io *; import *; public class ClientApp private Socket socket; private BufferedReader netIn; private PrintWriter netOut; private BufferedReader keyboardIn; static Boolean finished = false; public ClientApp() throws IOException System out println( 请输入服务器地址连接本地服务器请输入localhost ); keyboardIn = new BufferedReader(new InputStreamReader(System in)); try if (keyboardIn readLine() equalsIgnoreCase( localhost )) socket = new Socket(InetAddress getLocalHost() ServerApp PORT); else socket = new Socket(InetAddress getByName(keyboardIn readLine()) ServerApp PORT); netIn = new BufferedReader(new InputStreamReader(socket getInputStream())); netOut = new PrintWriter(socket getOutputStream()); catch (UnknownHostException e) System err println( 连接不到服务器 ); System exit( ); System out println( 连接成功 ); while (!finished) System out println( 请输入－之间的数字 ); netOut println(keyboardIn readLine()); netOut flush(); String str = netIn readLine(); if (str == null) finished = true; break; System out println(str); if (str startsWith( OK )) finished = true; break; netIn close(); netOut close(); keyboardIn close(); socket close(); public static void main(String[] args) throws IOException new ClientApp(); 运行结果

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