server_bkp.java

来自「用JAVA写的qq,为qq的跨平台使用提供了可能,一直都很讨厌tencent不为」· Java 代码 · 共 78 行

//server.java
/**
@author Joedan
*/
import javax.swing.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;

public class server extends JFrame implements Runnable, ActionListener
{
	DatagramSocket s;
	String msg = "Hello World!";
	DatagramPacket ps;
	byte [] buffer = new byte[512];
	DatagramPacket pr = new DatagramPacket(buffer, 0, buffer.length);
	JButton btn = new JButton("Send");
	JTextArea txt = new JTextArea();

	server()
	{
		super("server");
		try
		{
			s = new DatagramSocket(5051);
			ps = new DatagramPacket(msg.getBytes(), msg.length(), InetAddress.getLocalHost(), 5050);
		}
		catch(Exception e)
		{
		}
		setBounds(400, 300, 200, 150);
		btn.addActionListener(this);
		getContentPane().add(txt, "Center");
		getContentPane().add(btn, "South");
		setVisible(true);
		addWindowListener(
			new WindowAdapter()
			{
				public void windowClosing(WindowEvent e)
				{
					System.exit(0);
				}
			});
		new Thread(this).start();
	}

	public void actionPerformed(ActionEvent e)
	{
		try
		{
			ps.setData(txt.getText().getBytes());
			s.send(ps);
		}
		catch(IOException ee)
		{
		}
	}

	public void run()
	{
		while(true)
		{
			try
			{
				s.receive(pr);
				txt.append(new String(pr.getData()));
			}
			catch(IOException e)
			{
			}
		}
	}

	public static void main(String args[])
	{
		new server();
	}
}