呕心沥血的java复杂聊天室（包括自定义应用层协议、CS多线程、多客户端登录、上下线提醒等等）

呕心沥血的java复杂聊天室(包括自定义应用层协议、CS多线程、多客户端登录、上下线提醒等等)。

package client;


import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.util.Random;
import java.util.Vector;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.Jframe;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;

import common.CMD;
import common.ChatText;
import common.Client;
import common.Message;
import common.Utils;

public class ClientMainframe extends Jframe {


	private static final long serialVersionUID = 7952439640530949282L;
	private JPanel contentPane;
	private JTextField textFieldUserName;
	
	//由于本地测试时，客户端的端口号要不一致
	private static int clientPort = new Random（）.nextInt（10000）+1024;
	//每个客户端只有一个接收数据包套接字
	private static DatagramSocket receiveSocket = null;
	private boolean connectFlag = false;

	
	public static void main（String[] args） {
		EventQueue.invokeLater（new Runnable（） {
			public void run（） {
				try {
					ClientMainframe frame = new ClientMainframe（）;
					frame.setVisible（true）;
				} catch （Exception e） {
					e.printStackTrace（）;
				}
			}
		}）;
	}

	/**
	 * Create the frame.
	 */
	public ClientMainframe（） {
		settitle（“Client : Off“）;
		setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;
		setBounds（100 100 450 371）;
		contentPane = new JPanel（）;
		contentPane.setBorder（new EmptyBorder（5 5 5 5））;
		setContentPane（contentPane）;
		contentPane.setLayout（null）;
		
		textFieldUserName = new JTextField（）;
		textFieldUserName.setBounds（88 10 133 21）;
		contentPane.add（textFieldUserName）;
		textFieldUserName.setColumns（10）;
		
		final JButton btnConnect = new JButton（“connect“）;
		btnConnect.setBounds（228 9 93 23）;
		contentPane.add（btnConnect）;
		
		final JButton btnQuit = new JButton（“quit“）;
		btnQuit.setEnabled（false）;
		btnQuit.setBounds（331 9 93 23）;
		contentPane.add（btnQuit）;
		
		JLabel lblNewLabel_1 = new JLabel（“Message Records“）;
		lblNewLabel_1.setBounds（10 45 113 15）;
		contentPane.add（lblNewLabel_1）;
		
		JLabel lblNewLabel_2 = new JLabel（“Sentence“）;
		lblNewLabel_2.setBounds（10 199 73 15）;
		contentPane.add（lblNewLabel_2）;
		
		JLabel lblNewLabel_3 = new JLabel（“Receiver“）;
		lblNewLabel_3.setBounds（331 199 54 15）;
		contentPane.add（lblNewLabel_3）;
		
		
		final JButton btnSend = new JButton（“Send“）;
		btnSend.setEnabled（false）;
		btnSend.setBounds（331 263 93 57）;
		contentPane.add（btnSend）;
		
		final JComboBox comboBoxReceiver = new JComboBox（）;
		comboBoxReceiver.setBounds（331 225 93 21）;
		contentPane.add（comboBoxReceiver）;
		
		JLabel lblNewLabel_4 = new JLabel（“User Name“）;
		lblNewLabel_4.setBounds（10 10 73 15）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        301  2014-05-08 11:55  JChatRoom\.classpath

     文件        385  2014-05-08 11:55  JChatRoom\.project

     文件        629  2014-05-08 11:55  JChatRoom\.settings\org.eclipse.jdt.core.prefs

     文件        750  2014-05-09 11:35  JChatRoom\bin\client\ClientMainframe$1.class

     文件       4788  2014-05-09 11:35  JChatRoom\bin\client\ClientMainframe$2$1.class

     文件       2761  2014-05-09 11:35  JChatRoom\bin\client\ClientMainframe$2.class

     文件       2888  2014-05-09 11:35  JChatRoom\bin\client\ClientMainframe$3.class

     文件       2533  2014-05-09 11:35  JChatRoom\bin\client\ClientMainframe$4.class

     文件       4398  2014-05-09 11:35  JChatRoom\bin\client\ClientMainframe.class

     文件        824  2014-05-09 11:35  JChatRoom\bin\common\ChatText.class

     文件       1120  2014-05-09 11:32  JChatRoom\bin\common\Client.class

     文件       1171  2014-05-09 10:07  JChatRoom\bin\common\CMD.class

     文件        874  2014-05-09 10:52  JChatRoom\bin\common\Message.class

     文件       2272  2014-05-09 09:48  JChatRoom\bin\common\Utils.class

     文件        750  2014-05-09 11:34  JChatRoom\bin\server\ServerMainframe$1.class

     文件       5075  2014-05-09 11:34  JChatRoom\bin\server\ServerMainframe$2$1.class

     文件       1389  2014-05-09 11:34  JChatRoom\bin\server\ServerMainframe$2.class

     文件       2553  2014-05-09 11:34  JChatRoom\bin\server\ServerMainframe$3.class

     文件       4982  2014-05-09 11:34  JChatRoom\bin\server\ServerMainframe.class

     文件      10088  2014-05-09 11:35  JChatRoom\src\client\ClientMainframe.java

     文件        632  2014-05-09 11:35  JChatRoom\src\common\ChatText.java

     文件        960  2014-05-09 11:32  JChatRoom\src\common\Client.java

     文件        271  2014-05-09 10:07  JChatRoom\src\common\CMD.java

     文件        676  2014-05-09 10:52  JChatRoom\src\common\Message.java

     文件       1698  2014-05-09 09:48  JChatRoom\src\common\Utils.java

     文件       7935  2014-05-09 11:34  JChatRoom\src\server\ServerMainframe.java

     目录          0  2014-05-09 10:32  JChatRoom\bin\client

     目录          0  2014-05-09 10:29  JChatRoom\bin\common

     目录          0  2014-05-09 11:03  JChatRoom\bin\server

     目录          0  2014-05-08 21:06  JChatRoom\src\client

............此处省略9个文件信息