java多人聊天系统，图形用户界面

这个java程序以Eclipse为环境运行，可以支持多人聊天。 采用图形用户界面，能够很好的实现通信！

package csu.com.socket;

import java.awt.*;

import java.awt.event.*;

import java.io.*;

import java.net.*;

public class ChatClient extends frame {

        Socket s = null;

        DataOutputStream dos = null;

        DataInputStream dis = null;

        private boolean bConnected = false;

        TextField tfTxt = new TextField（）;

        TextArea taContent = new TextArea（）;

        Thread tRecv = new Thread（new RecvThread（））;

        public static void main（String[] args） {

                new ChatClient（）.launchframe（）;

        }

        public void launchframe（） {

                setLocation（400 300）;

                this.setSize（300 300）;

                add（tfTxt BorderLayout.SOUTH）;

                add（taContent BorderLayout.NORTH）;

                pack（）;

                this.addWindowListener（new WindowAdapter（） {

                        public void windowClosing（WindowEvent arg0） {

                                disconnect（）;

                                System.exit（0）;

                        }

                }）;

                tfTxt.addActionListener（new TFListener（））;

                setVisible（true）;

                connect（）;

                tRecv.start（）;

        }

        public void connect（） {

                try {

                        s = new Socket（“127.0.0.1“ 8888）;

                        dos = new DataOutputStream（s.getOutputStream（））;

                        dis = new DataInputStream（s.getInputStream（））;

                        bConnected = true;

                } catch （UnknownHostException e） {

                        e.printStackTrace（）;

                } catch （IOException e） {

                        e.printStackTrace（）;

                }

        }

        public void disconnect（） {

                try {

                        dos.close（）;

                        dis.close（）;

                        s.close（）;

                } catch （IOException e） {}

        }

        private class TFListener implements ActionListener {

                public void actionPerformed（ActionEvent e） {

                        String str = tfTxt.getText（）.trim（）;

                        tfTxt.setText（““）;

                        try {

                                dos.writeUTF（str）;

                                dos.flush（）;

                        } catch （IOException e1） {}

                }

        }

        private class RecvThread implements Runnable {

                public void run（） {

                        try {

                                while（bConnected） {

                                        String str = dis.readUTF（）;

                                        taContent.setText（taContent.getText（） + str + ‘\n‘）;

                                }

                        } catch （IOException e） {}

   

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

     文件       3038  2010-12-25 18:08  socket\ChatClient.java

     文件       3590  2011-02-19 21:26  socket\ChatServer.java

     目录          0  2011-02-20 00:17  socket

----------- ---------  ---------- -----  ----

                 6628                    3