本文實(shí)例為大家分享了Java Socket實(shí)現(xiàn)猜數(shù)字游戲的具體代碼,供大家參考,具體內(nèi)容如下
運(yùn)行截圖
Server
Client
完整代碼
Server
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import java.io.IOException; import java.io.PrintWriter; import java.net.ServerSocket; import java.net.Socket; import java.util.Random; import java.util.Scanner; public class ServerDemo { private int flag; public void server() throws IOException { //創(chuàng)建一個服務(wù)器 System.out.println( "服務(wù)端啟動,等待客戶端連接。。。" ); PrintWriter out = null ; Scanner getClient = null ; ServerSocket server = null ; Socket client = null ; this .setFlag(); try { server = new ServerSocket( 6666 ); //創(chuàng)建一個接收連接客戶端的對象 client = server.accept(); System.out.println(client.getInetAddress() + " 已成功連接到此臺服務(wù)器上。" ); //字符輸出流 out = new PrintWriter(client.getOutputStream()); //向客戶端發(fā)送數(shù)據(jù) out.flush(); //將緩沖流中的數(shù)據(jù)全部輸出 getClient = new Scanner(client.getInputStream()); //接收客戶端發(fā)送的數(shù)據(jù) //阻塞等待客戶端發(fā)送消息過來 while (getClient.hasNextLine()) { String returnMsg = null ; String tmp = getClient.nextLine(); if ( "e" .equals(tmp)) { break ; } else if ( "c" .equals(tmp)) { returnMsg = "歡迎來到新一輪的猜數(shù)字小游戲(1-100)?。?!" ; this .setFlag(); } else { int clientInput = Integer.parseInt(tmp); if (clientInput > flag) { returnMsg = "你輸入的數(shù)字大了?。?!" ; } else if (clientInput < flag) { returnMsg = "你輸入的數(shù)字小了?。?!" ; } else { returnMsg = "恭喜你,猜中了!?。±^續(xù)(輸入c),退出(輸入e)" ; } } out.println(returnMsg); //向客戶端發(fā)送數(shù)據(jù) out.flush(); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { out.close(); getClient.close(); server.close(); } } // 生成隨機(jī)數(shù)字 public void setFlag() { Random r = new Random(); flag = r.nextInt( 100 ); System.out.println( "猜數(shù)字小游戲答案:flag = " + flag); } public static void main(String[] args) throws IOException { new ServerDemo().server(); } } |
Client
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import java.io.IOException; import java.io.PrintWriter; import java.net.Socket; import java.util.Scanner; public class ClientDemo { public void client() throws IOException { System.out.println( "正在向服務(wù)器請求連接。。。" ); Socket client = null ; Scanner getKey = null ; Scanner getServer = null ; PrintWriter out = null ; try { client = new Socket( "127.0.0.1" , 6666 ); getServer = new Scanner(client.getInputStream()); System.out.println(getServer.nextLine()); out = new PrintWriter(client.getOutputStream()); System.out.print( "請輸入數(shù)字:" ); //先讀取鍵盤錄入方可向服務(wù)端發(fā)送消息 getKey = new Scanner(System.in); while (getKey.hasNextLine()) { //寫到服務(wù)端的的控制臺 out.println(getKey.nextLine()); out.flush(); try { System.out.println( "提示消息:" + getServer.nextLine()); System.out.print( "請輸入數(shù)字:" ); } catch (Exception e) { System.out.print( "游戲結(jié)束?。?!" ); break ; } //阻塞等待接收服務(wù)端的消息 } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { getKey.close(); getServer.close(); out.close(); client.close(); } } public static void main(String[] args) throws IOException { new ClientDemo().client(); } } |
以上就是本文的全部內(nèi)容,希望對大家的學(xué)習(xí)有所幫助,也希望大家多多支持服務(wù)器之家。
原文鏈接:https://blog.csdn.net/qq_43901693/article/details/108761667