Java 示例 - 连接套接字

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  问题描述

  如何使服务器允许连接到套接字 6123 ？
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  解决方案

  下面的例子展示了如何使用 ServerSocket 类的 server.accept() 方法和 Socket 类的 sock.getInetAddress() 方法使服务器允许连接到套接字 6123。

  
  import java.io.IOException;
  import java.net.InetAddress;
  import java.net.ServerSocket;
  import java.net.Socket;
  public class SocketDemo {
     public static void main(String[] args) {
        try {
           ServerSocket server = new ServerSocket(6123);
           while (true) {
              System.out.println("Listening");
              Socket sock = server.accept();
              InetAddress addr = sock.getInetAddress();
              System.out.println("Connection made to " + addr.getHostName() + " (
                 " + addr.getHostAddress() + ")");
              pause(5000);
              sock.close();
           }
        } catch (IOException e) {
           System.out.println("Exception detected: " + e);
        }
     }
     private static void pause(int ms) {
        try {
           Thread.sleep(ms);
        }catch (InterruptedException e) {}
     }
  }
  

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  结果

  上面的代码示例将产生以下结果。

  
  Listening
  Terminate batch job (Y/N)? n 
  Connection made to 112.63.21.45