chatroom.java

java 编写聊天工具 java 编写聊天工具

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import java.util.*;
/*<p>Title:HappyChat聊天系统聊天程序</p>
 *<p>Description:系统用户登录后进行聊天</p>
 *<p>Copyright:Copyright (C)2006</p>
 *<p>Filename:ChatRoom.java</p>
 *@author 刘志成
 *@version 1.0
 */
	
public class ChatRoom extends Thread implements ActionListener
{
	static JFrame frmChat;
	JPanel  pnlChat;
	JButton  btnCls,btnExit,btnSend,btnClear,btnSave,btnTimer,btnSendFile,btnBrowse;
	JLabel  lblUserList,lblUserMessage,lblSendMessage,lblChatUser;
	JLabel  lblUserTotal,lblCount,lblBack,lblFile;
	JTextField txtMessage,txtFile;
	java.awt.List  lstUserList;
	TextArea  taUserMessage;
	JComboBox  cmbUser;
	JCheckBox  chPrivateChat;
	String  strServerIp,strLoginName;
	Thread  thread;
	JMenuBar mbChat;
	JMenu mnuSystem,mnuHelp;
	JMenuItem mnuiCls,mnuiSave,mnuiClock,mnuiExit,mnuiContent,mnuiIndex,mnuiAbout;
	
    //用于将窗口用于定位
	Dimension scrnsize;
	Toolkit toolkit=Toolkit.getDefaultToolkit();
	//构造方法			
	public ChatRoom(String name,String ip)
	{
	    strServerIp=ip;
	    strLoginName=name;
  		frmChat=new JFrame("聊天室"+"[用户:"+name+"]");
	    pnlChat=new JPanel(); 
	    frmChat.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	    frmChat.getContentPane().add(pnlChat);

   	    Font fntDisp1=new Font("宋体",Font.PLAIN,12);
	    //Font fntDisp2=new Font("宋体",Font.PLAIN,11);
	    
	    mbChat=new JMenuBar();
	    mnuSystem=new JMenu("系统(S)");
	    mnuSystem.setMnemonic(KeyEvent.VK_S);
	    mnuSystem.setFont(fntDisp1);
	    mnuHelp=new JMenu("帮助(H)");
	    mnuHelp.setMnemonic(KeyEvent.VK_H);
	    mnuHelp.setFont(fntDisp1);
		mbChat.add(mnuSystem);
		mbChat.add(mnuHelp);
		mnuiCls=new JMenuItem("清除屏幕显示");
		mnuiCls.setFont(fntDisp1);
		mnuiSave=new JMenuItem("保存聊天记录");
		mnuiSave.setFont(fntDisp1);
		mnuiClock=new JMenuItem("查看时间");
		mnuiClock.setFont(fntDisp1);
		mnuiExit=new JMenuItem("退出系统");
		mnuiExit.setFont(fntDisp1);
		mnuSystem.add(mnuiCls);
		mnuSystem.add(mnuiSave);
		mnuSystem.add(mnuiClock);
		mnuSystem.add(mnuiExit);
		mnuiContent=new JMenuItem("目录");
		mnuiContent.setFont(fntDisp1);
		mnuiIndex=new JMenuItem("索引");
		mnuiIndex.setFont(fntDisp1);
		mnuiAbout=new JMenuItem("关于[HappyChat聊天系统]...");
		mnuiAbout.setFont(fntDisp1);
		mnuHelp.add(mnuiContent);
		mnuHelp.add(mnuiIndex);
		mnuHelp.add(mnuiAbout);
		
		frmChat.setJMenuBar(mbChat);
	    
	    String list[]={"所有人"};  
	    btnCls=new JButton("清屏(C)");
	    btnExit=new JButton("退出(X)");
	    btnSend=new JButton("发送(N)");
	    btnSave=new JButton("保存(S)");
	    btnTimer=new JButton("时钟(T)");
	    btnSendFile=new JButton("发送文件(F)");
	    btnBrowse=new JButton("浏览...");
	    lblUserList=new JLabel("【在线用户列表】");
	    lblUserMessage=new JLabel("【聊天信息】");
	    lblSendMessage=new JLabel("聊天内容:");
	    lblChatUser=new JLabel("你对:"); 
	    lblUserTotal=new JLabel("在线人数:");
	    lblCount=new JLabel("0");
	    lblFile=new JLabel("附件:");
	    txtFile=new JTextField(20);
	    lstUserList=new java.awt.List();
	    txtMessage=new JTextField(170);
	    cmbUser         =new JComboBox(list);
	    chPrivateChat =new JCheckBox("私聊");
	    taUserMessage=new TextArea("",300,200,TextArea.SCROLLBARS_VERTICAL_ONLY);//只能向下滚动
	    taUserMessage.setEditable(false);   //不可写入
	    
	    /*  该布局采用手动布局           *
		 *　setBounds设置组件位置        *
		 *  setFont设置字体、字型、字号  *
		 *　setForeground设置文字的颜色  *
		 *  setBackground设置背景色      *
		 *  setOpaque将背景设置为透明    */
	        
	    pnlChat.setLayout(null);
		pnlChat.setBackground(new Color(52,130,203));
		btnSendFile.setBounds(250,360,100,25);
		btnBrowse.setBounds(170,360,80,25);
		btnTimer.setBounds(400,360,80,25);
		btnSave.setBounds(500,330,80,25);
	    btnCls.setBounds(400,330,80,25);
	    btnExit.setBounds(500,360,80,25);
	    btnSend.setBounds(500,300,80,25);
	    
	    lblFile.setBounds(10,330,40,25);
	    lblUserList.setBounds(5,0,120,40);
   	    lblUserTotal.setBounds(130,0,60,40);
	    lblCount.setBounds(190,0,60,40);
	    lblUserMessage.setBounds(225,0,180,40);
	    lblChatUser.setBounds(10,290,40,40);
	    lblSendMessage.setBounds(210,290,60,40);

	    //lblUserTotal.setBounds(10,340,100,40);
	    //lblCount.setBounds(73,340,100,40);
	    txtFile.setBounds(50,330,300,25);
	    lstUserList.setBounds(5,40,210,255);
	    taUserMessage.setBounds(225,40,360,255);
	    txtMessage.setBounds(270,300,210,25);
	    cmbUser.setBounds(50,300,80,25);
	    chPrivateChat.setBounds(135,302,60,20);
	    
	    btnSendFile.setFont(fntDisp1);
	    btnBrowse.setFont(fntDisp1);
	    btnTimer.setFont(fntDisp1);
		btnCls.setFont(fntDisp1);
		btnExit.setFont(fntDisp1);
		btnSend.setFont(fntDisp1);
		btnSave.setFont(fntDisp1);
		lblFile.setFont(fntDisp1);
		lblUserList.setFont(fntDisp1);
		lblUserMessage.setFont(fntDisp1);
		lblChatUser.setFont(fntDisp1);
		lblSendMessage.setFont(fntDisp1);
		lblUserTotal.setFont(fntDisp1);
		lblCount.setFont(fntDisp1);
		txtFile.setFont(fntDisp1);
		cmbUser.setFont(fntDisp1);
		chPrivateChat.setFont(fntDisp1);
		taUserMessage.setFont(new Font("宋体",Font.PLAIN,12));
		
		lblUserList.setForeground(Color.YELLOW);
		lblUserMessage.setForeground(Color.YELLOW);
		lblSendMessage.setForeground(Color.black);
		lblChatUser.setForeground(Color.black);
		lblSendMessage.setForeground(Color.black);
		lblUserTotal.setForeground(Color.YELLOW);
		lblCount.setForeground(Color.YELLOW);
		cmbUser.setForeground(Color.black);
		chPrivateChat.setForeground(Color.black);
		lstUserList.setBackground(Color.white);
		taUserMessage.setBackground(Color.white);
		btnBrowse.setBackground(Color.PINK);
		btnSendFile.setBackground(Color.PINK);
		btnTimer.setBackground(Color.ORANGE);
		btnCls.setBackground(Color.ORANGE);
	    btnExit.setBackground(Color.ORANGE);
	    btnSend.setBackground(Color.PINK);
	    btnSave.setBackground(Color.ORANGE);
		
		pnlChat.add(lblFile);
		pnlChat.add(txtFile);
		pnlChat.add(btnSendFile);
		pnlChat.add(btnBrowse);
		pnlChat.add(btnTimer);
		pnlChat.add(btnCls);
	    pnlChat.add(btnExit);
	    pnlChat.add(btnSend);
	    pnlChat.add(btnSave);
	    pnlChat.add(lblUserList);
	    pnlChat.add(lblUserMessage);
	    pnlChat.add(lblSendMessage);
	    pnlChat.add(lblChatUser);
	    pnlChat.add(lblUserTotal);
	    pnlChat.add(lblCount);
	    pnlChat.add(lstUserList);
	    pnlChat.add(taUserMessage);
	    pnlChat.add(txtMessage);
	    pnlChat.add(cmbUser);
	    pnlChat.add(chPrivateChat);
	    
	    frmChat.addWindowListener(new Windowclose());
	    btnTimer.addActionListener(this);
	    btnCls.addActionListener(this);
	    btnExit.addActionListener(this);
	    btnSend.addActionListener(this);
	    btnSave.addActionListener(this);
	    lstUserList.addActionListener(this);
	    txtMessage.addActionListener(this);
	   
	    
	    //启动聊天页面信息刷新线程
		Thread thread = new Thread(this);
      	thread.start();
	    
//	    Icon log=new ImageIcon("images\\chat.jpg");
//	 	lblBack = new JLabel(log);
//		lblBack.setBounds(1, 1, 600,420);
//		pnlChat.add(lblBack);
		
	    frmChat.setSize(600,440);
	    frmChat.setVisible(true);
	    frmChat.setResizable(false);
	    
	    //将窗口定位在屏幕中央
    	scrnsize=toolkit.getScreenSize();
    	frmChat.setLocation(scrnsize.width/2-frmChat.getWidth()/2,
    	                 scrnsize.height/2-frmChat.getHeight()/2);
    	Image img=toolkit.getImage("images\\appico.jpg");
        frmChat.setIconImage(img);
	
	}  //构造方法结束
	
	public void run()
	{   
	    int intMessageCounter=0;
	    int intUserTotal=0;
	    boolean isFirstLogin=true; //判断是否刚登陆
	    boolean isFound;      //判断是否找到用户
	    Vector user_exit=new Vector();
	    try
	    {
			for(;;)
			{
	         	Socket toServer;
		 		toServer=new Socket(strServerIp,1001);
				//将信息发往服务器
	     		Message messobj=new Message();
	    		ObjectOutputStream streamtoserver=new ObjectOutputStream(toServer.getOutputStream());
			    streamtoserver.writeObject((Message)messobj);
			  	//收来自服务器的信息
	    		ObjectInputStream streamfromserver=new ObjectInputStream(toServer.getInputStream());
			    messobj=(Message)streamfromserver.readObject();
	 			////////刷新聊天信息列表//////////
	 			if (isFirstLogin)   //如果刚登陆
				{
				 	intMessageCounter=messobj.chat.size();   //屏蔽该用户登陆前的聊天内容
				 	isFirstLogin=false;
				}