Question

我对网络这个程序感到困惑。我应该创建一个猜测服务器，在5150创建一个套接字并等待客户端。我的服务器不应该与任何数量的顺序客户端一起玩游戏并持续运行，直到客户端连接并发送＆＃34; SHUT DOWN＆＃34;作为它的初始信息。它应该实现二进制搜索程序，其中客户端向它发送两个数字，表示列表的下边界和上边界。我的服务器应该以猜测回复，然后如果数字高，低，赢或丢失，它会从客户端收到消息。显然当游戏结束时客户端和服务器端之间的连接。这是我的代码到目前为止，我正在努力争取甚至出错！任何有用的帮助或例子都会非常感激！

public class GuessingServer {
    public static void main(String[] args){
        String inputLine = "";
        int num1 = 0;
        int num2 = 0;
        int guess = 0;
        String response = "";
        try {
            //set up server
            ServerSocket serverSocket = new ServerSocket(5150);
            //accept the client (socket)
            Socket clientSocket = serverSocket.accept();

            //try to creates scanner and print writer
            Scanner scan = new Scanner(new InputStreamReader(clientSocket.getInputStream()));
            PrintWriter print = new PrintWriter(clientSocket.getOutputStream(), true);

            //do game stuff:
            while(scan.nextLine()!= null){
                    if(inputLine.equals("SHUT DOWN")){
                        //shuts down the server
                        serverSocket.close();
                    }   
            //scanner to read the line:
            inputLine = scan.nextLine();
            Scanner line = new Scanner(inputLine);
            if(response != ""){
                while(line.hasNext() == true){ //while the scanner line has something next in it 
                    //get the numbers
                    num1 = line.nextInt();
                    num2 = line.nextInt();
                    //decide and send guess to client:
                    guess = (((num2 - num1)/2)+num1);
                    print.println(guess);
                    System.out.println(guess);
                }
            }else if (response.equals("high") || response.equals("low")){
                while(line.hasNext() == true){ //while the scanner line has something next in it 
                    //get the numbers
                    num1 = line.nextInt();
                    num2 = line.nextInt();
                     //-->decide and send guess to client:
                    guess = (((num2 - num1)/2)+num1);
                    print.println(guess);
                    System.out.println(guess);
                }
            }
            else if(response.equals("won") || response.equals("lost")){
                    //game is over:
                scan.close();
                line.close();
                clientSocket.close();
            } 

            scan.close();
            line.close();
            clientSocket.close();
            serverSocket.close();
        }
    } catch (IOException e) {
    }
}

Answer 1

这是我将如何做到的。

为您的游戏服务器创建一个实现Runnable的类，例如

class GameThread implements Runnable {
    public void run() {
        // Game logic here.
        // Read user input
        // If a user guesses the right number, call shutdown on GuessingGame class
}

你的游戏服务器程序创建线程，例如

class GuessingGame {
    public static void main(String[] args)
    {
        while(true) {
            // Accept connections
        }
        // create threads
    }

    void shutDown() {
        // Cleanup
        // Terminate threads
        // Close connections
        System.exit(1);
    }
}

这允许多个连接到您的游戏服务器

二进制搜索猜测游戏服务器端在java中

1 个答案: