package?client;



import?java.awt.*;
import?java.awt.event.ActionEvent;
import?java.awt.event.ActionListener;
import?java.net.*;
import?javax.swing.*;

public?class?Receive??extends?Jframe?implements?RunnableActionListener{
	private?static?final?long?serialVersionUID?=?1L;
	JMenuBar?menu=new?JMenuBar（）;
	JMenu?m1=new?JMenu（“開始“）;
	JMenu?m2=new?JMenu（“幫助“）;
	JMenuItem?itemStart=new?JMenuItem（“開始收聽“）;
	JMenuItem?itemStop=new?JMenuItem（“停止收聽“）;
	JMenuItem?exit=new?JMenuItem（“退出“）;
	JMenuItem?help=new?JMenuItem（“關于“）;
	JTextArea?info=new?JTextArea（3020）;
	JButton?start=new?JButton（“開始收聽“）;
	JButton?stop=new?JButton（“停止收聽“）;
	JPanel?northPane=new?JPanel（）;
	JScrollPane?centerPane=new?JScrollPane（info）;
	Container?con=this.getContentPane（）;
	String?line=““;
	private?static?final?int?PORT=2012;
	InetAddress?group;
	MulticastSocket?socket;
	boolean?ting=false;
	Thread?thread;
	
	
	
	public?Receive（）{
	????thread=new?Thread（this）;?
		con.setLayout（new?BorderLayout（））;
		con.add（northPaneBorderLayout.NORTH）;
		con.add（centerPaneBorderLayout.CENTER）;
		menu.add（m1）;
		menu.add（m2）;
		m1.add（itemStart）;
		m1.add（itemStop）;
		m1.add（exit）;
		m2.add（help）;
		northPane.add（new?JLabel（“收聽廣播“））;
		northPane.add（start）;
		northPane.add（stop）;
		info.setEditable（false）;
		
		
		exit.addActionListener（this）;
		help.addActionListener（this）;
		start.addActionListener（this）;
		itemStart.addActionListener（this）;
		stop.addActionListener（this）;
		itemStop.addActionListener（this）;
	????validate（）;
		try{???
	?????????group=InetAddress.getByName（“224.1.0.0“）;?????
	?????????socket=new?MulticastSocket（PORT）;???????????????
	?????????socket.joinGroup（group）;??????????????
	???????????????????????????????????????????????
	???????}???
	????catch（Exception?e）{
	????	
	????}
		
?
		setSize（470?500）;
		setJMenuBar（menu）;
		setResizable（false）;
		this.setLocation（400100）;
		settitle（“局域網廣播“）;
		this.setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;
		setVisible（true）;
			
	}
	public?void?actionPerformed（ActionEvent?e）{
		if（e.getSource（）==exit）{
			this.dispose（）;
		}
		if（e.getSource（）==help）{
			String?me=“局域網廣播“;
			JOptionPane.showMessageDialog（thisme）;
		}
		if（e.getSource（）==start）{
			System.out.println（“&&&“）;
			if（!（thread.isAlive（）））{
				thread=new?Thread（this）;
			}
			try{
				thread.start（）;
				ting?=false;
					
			}catch（Exception?ee）{
				String?info=“接收異常“;
				JOptionPane.showMessageDialog（null?info?“提示?“JOptionPane.INFORMATION_MESSAGE）;
				return;
			}
		}
		if（e.getSource（）==stop）{
			System.out.println（“$$$$“）;
			thread.interrupt（）;????
	????????ting=true;????
		}
		
	}
	
	
	public?void?run（）?{??
		info.setText（“接收的內容:\n“）;
		while（true）{?????
	???????byte?data[]=new?byte[8192];???
	???????System.out.println?（“xxxxx“）;
	???????DatagramPacket?packet=new?DatagramPacket（datadata.lengthgroupPORT）;?????
	???????try{?????
	???????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????3526??2009-12-11?22:04??client\Receive.java

?????文件???????4957??2009-12-11?22:46??server\BroadCast.java

?????目錄??????????0??2009-12-08?22:05??client

?????目錄??????????0??2009-12-08?22:06??server

-----------?---------??----------?-----??----

?????????????????8483????????????????????4