chat.java~39~

JAVA 编写的udp聊天室(最简单)

package chat;

import java.net.*;
import java.awt.Frame;
import java.awt.HeadlessException;
import java.awt.*;
import java.awt.event.*;

public class Chat
    extends Frame {
  private List lst = new List(6);
  private Panel bottom = new Panel();
  private TextField ip = new TextField(15);
  private TextField msg = new TextField(20);
  DatagramSocket ds = null;
  public Chat() throws HeadlessException, UnknownHostException {
    this.add(lst, "Center");
    this.add(bottom, "South");
    bottom.setLayout(new BorderLayout());
    bottom.add(ip, "West");
    bottom.add(msg, "East");
    this.pack();
    this.show();
    ds = new DatagramSocket(3000);
    this.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        dispose();
        System.exit(0);
      }
    });
    msg.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        byte[] temp = new byte[1024];
        temp = msg.getText().getBytes();
        try {
          DatagramPacket dp = new DatagramPacket(temp, temp.length,
                                                 InetAddress.getByName(
              ip.getText()), 3000);

        }
        catch (Exception ee) {
          ee.printStackTrace();
        }
      }
    });
  }

  public static void main(String[] args) throws UnknownHostException,
      HeadlessException {
    Chat mychat = new Chat();
  }

}