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ChatRoom.java
资源名称：Happychat.rar　[点击查看]
上传用户：tendy5003
上传日期：2022-07-16
资源大小：210k
文件大小：15k
源码类别：

ICQ/即时通讯

开发平台：

Java

ChatRoom.java：源码内容
  1. import javax.swing.*;
  2. import java.awt.*;
  3. import java.awt.event.*;
  4. import java.net.*;
  5. import java.io.*;
  6. import java.util.*;
  7. /*<p>Title:HappyChat聊天系统聊天程序</p>
  8.  *<p>Description:系统用户登录后进行聊天</p>
  9.  *<p>Copyright:Copyright (C)2006</p>
  10.  *<p>Filename:ChatRoom.java</p>
  11.  *@author 刘志成
  12.  *@version 1.0
  13.  */
  15. public class ChatRoom extends Thread implements ActionListener
  16. {
  17. static JFrame frmChat;
  18. JPanel  pnlChat;
  19. JButton  btnCls,btnExit,btnSend,btnClear,btnSave,btnTimer,btnSendFile,btnBrowse;
  20. JLabel  lblUserList,lblUserMessage,lblSendMessage,lblChatUser;
  21. JLabel  lblUserTotal,lblCount,lblBack,lblFile;
  22. JTextField txtMessage,txtFile;
  23. java.awt.List  lstUserList;
  24. TextArea  taUserMessage;
  25. JComboBox  cmbUser;
  26. JCheckBox  chPrivateChat;
  27. String  strServerIp,strLoginName;
  28. Thread  thread;
  29. JMenuBar mbChat;
  30. JMenu mnuSystem,mnuHelp;
  31. JMenuItem mnuiCls,mnuiSave,mnuiClock,mnuiExit,mnuiContent,mnuiIndex,mnuiAbout;
  33.     //用于将窗口用于定位
  34. Dimension scrnsize;
  35. Toolkit toolkit=Toolkit.getDefaultToolkit();
  36. //构造方法
  37. public ChatRoom(String name,String ip)
  38. {
  39.     strServerIp=ip;
  40.     strLoginName=name;
  41.    frmChat=new JFrame("聊天室"+"[用户:"+name+"]");
  42.     pnlChat=new JPanel(); 
  43.     frmChat.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  44.     frmChat.getContentPane().add(pnlChat);
  46.         Font fntDisp1=new Font("宋体",Font.PLAIN,12);
  47.     //Font fntDisp2=new Font("宋体",Font.PLAIN,11);
  48.     
  49.     mbChat=new JMenuBar();
  50.     mnuSystem=new JMenu("系统(S)");
  51.     mnuSystem.setMnemonic(KeyEvent.VK_S);
  52.     mnuSystem.setFont(fntDisp1);
  53.     mnuHelp=new JMenu("帮助(H)");
  54.     mnuHelp.setMnemonic(KeyEvent.VK_H);
  55.     mnuHelp.setFont(fntDisp1);
  56. mbChat.add(mnuSystem);
  57. mbChat.add(mnuHelp);
  58. mnuiCls=new JMenuItem("清除屏幕显示");
  59. mnuiCls.setFont(fntDisp1);
  60. mnuiSave=new JMenuItem("保存聊天记录");
  61. mnuiSave.setFont(fntDisp1);
  62. mnuiClock=new JMenuItem("查看时间");
  63. mnuiClock.setFont(fntDisp1);
  64. mnuiExit=new JMenuItem("退出系统");
  65. mnuiExit.setFont(fntDisp1);
  66. mnuSystem.add(mnuiCls);
  67. mnuSystem.add(mnuiSave);
  68. mnuSystem.add(mnuiClock);
  69. mnuSystem.add(mnuiExit);
  70. mnuiContent=new JMenuItem("目录");
  71. mnuiContent.setFont(fntDisp1);
  72. mnuiIndex=new JMenuItem("索引");
  73. mnuiIndex.setFont(fntDisp1);
  74. mnuiAbout=new JMenuItem("关于[HappyChat聊天系统]...");
  75. mnuiAbout.setFont(fntDisp1);
  76. mnuHelp.add(mnuiContent);
  77. mnuHelp.add(mnuiIndex);
  78. mnuHelp.add(mnuiAbout);
  80. frmChat.setJMenuBar(mbChat);
  81.     
  82.     String list[]={"所有人"};  
  83.     btnCls=new JButton("清屏(C)");
  84.     btnExit=new JButton("退出(X)");
  85.     btnSend=new JButton("发送(N)");
  86.     btnSave=new JButton("保存(S)");
  87.     btnTimer=new JButton("时钟(T)");
  88.     btnSendFile=new JButton("发送文件(F)");
  89.     btnBrowse=new JButton("浏览...");
  90.     lblUserList=new JLabel("【在线用户列表】");
  91.     lblUserMessage=new JLabel("【聊天信息】");
  92.     lblSendMessage=new JLabel("聊天内容:");
  93.     lblChatUser=new JLabel("你对:"); 
  94.     lblUserTotal=new JLabel("在线人数:");
  95.     lblCount=new JLabel("0");
  96.     lblFile=new JLabel("附件:");
  97.     txtFile=new JTextField(20);
  98.     lstUserList=new java.awt.List();
  99.     txtMessage=new JTextField(170);
  100.     cmbUser         =new JComboBox(list);
  101.     chPrivateChat =new JCheckBox("私聊");
  102.     taUserMessage=new TextArea("",300,200,TextArea.SCROLLBARS_VERTICAL_ONLY);//只能向下滚动
  103.     taUserMessage.setEditable(false);   //不可写入
  104.     
  105.     /*  该布局采用手动布局           *
  106.  *　setBounds设置组件位置        *
  107.  *  setFont设置字体、字型、字号  *
  108.  *　setForeground设置文字的颜色  *
  109.  *  setBackground设置背景色      *
  110.  *  setOpaque将背景设置为透明    */
  111.         
  112.     pnlChat.setLayout(null);
  113. pnlChat.setBackground(new Color(52,130,203));
  114. btnSendFile.setBounds(250,360,100,25);
  115. btnBrowse.setBounds(170,360,80,25);
  116. btnTimer.setBounds(400,360,80,25);
  117. btnSave.setBounds(500,330,80,25);
  118.     btnCls.setBounds(400,330,80,25);
  119.     btnExit.setBounds(500,360,80,25);
  120.     btnSend.setBounds(500,300,80,25);
  121.     
  122.     lblFile.setBounds(10,330,40,25);
  123.     lblUserList.setBounds(5,0,120,40);
  124.         lblUserTotal.setBounds(130,0,60,40);
  125.     lblCount.setBounds(190,0,60,40);
  126.     lblUserMessage.setBounds(225,0,180,40);
  127.     lblChatUser.setBounds(10,290,40,40);
  128.     lblSendMessage.setBounds(210,290,60,40);
  130.     //lblUserTotal.setBounds(10,340,100,40);
  131.     //lblCount.setBounds(73,340,100,40);
  132.     txtFile.setBounds(50,330,300,25);
  133.     lstUserList.setBounds(5,40,210,255);
  134.     taUserMessage.setBounds(225,40,360,255);
  135.     txtMessage.setBounds(270,300,210,25);
  136.     cmbUser.setBounds(50,300,80,25);
  137.     chPrivateChat.setBounds(135,302,60,20);
  138.     
  139.     btnSendFile.setFont(fntDisp1);
  140.     btnBrowse.setFont(fntDisp1);
  141.     btnTimer.setFont(fntDisp1);
  142. btnCls.setFont(fntDisp1);
  143. btnExit.setFont(fntDisp1);
  144. btnSend.setFont(fntDisp1);
  145. btnSave.setFont(fntDisp1);
  146. lblFile.setFont(fntDisp1);
  147. lblUserList.setFont(fntDisp1);
  148. lblUserMessage.setFont(fntDisp1);
  149. lblChatUser.setFont(fntDisp1);
  150. lblSendMessage.setFont(fntDisp1);
  151. lblUserTotal.setFont(fntDisp1);
  152. lblCount.setFont(fntDisp1);
  153. txtFile.setFont(fntDisp1);
  154. cmbUser.setFont(fntDisp1);
  155. chPrivateChat.setFont(fntDisp1);
  156. taUserMessage.setFont(new Font("宋体",Font.PLAIN,12));
  158. lblUserList.setForeground(Color.YELLOW);
  159. lblUserMessage.setForeground(Color.YELLOW);
  160. lblSendMessage.setForeground(Color.black);
  161. lblChatUser.setForeground(Color.black);
  162. lblSendMessage.setForeground(Color.black);
  163. lblUserTotal.setForeground(Color.YELLOW);
  164. lblCount.setForeground(Color.YELLOW);
  165. cmbUser.setForeground(Color.black);
  166. chPrivateChat.setForeground(Color.black);
  167. lstUserList.setBackground(Color.white);
  168. taUserMessage.setBackground(Color.white);
  169. btnBrowse.setBackground(Color.PINK);
  170. btnSendFile.setBackground(Color.PINK);
  171. btnTimer.setBackground(Color.ORANGE);
  172. btnCls.setBackground(Color.ORANGE);
  173.     btnExit.setBackground(Color.ORANGE);
  174.     btnSend.setBackground(Color.PINK);
  175.     btnSave.setBackground(Color.ORANGE);
  177. pnlChat.add(lblFile);
  178. pnlChat.add(txtFile);
  179. pnlChat.add(btnSendFile);
  180. pnlChat.add(btnBrowse);
  181. pnlChat.add(btnTimer);
  182. pnlChat.add(btnCls);
  183.     pnlChat.add(btnExit);
  184.     pnlChat.add(btnSend);
  185.     pnlChat.add(btnSave);
  186.     pnlChat.add(lblUserList);
  187.     pnlChat.add(lblUserMessage);
  188.     pnlChat.add(lblSendMessage);
  189.     pnlChat.add(lblChatUser);
  190.     pnlChat.add(lblUserTotal);
  191.     pnlChat.add(lblCount);
  192.     pnlChat.add(lstUserList);
  193.     pnlChat.add(taUserMessage);
  194.     pnlChat.add(txtMessage);
  195.     pnlChat.add(cmbUser);
  196.     pnlChat.add(chPrivateChat);
  197.     
  198.     frmChat.addWindowListener(new Windowclose());
  199.     btnTimer.addActionListener(this);
  200.     btnCls.addActionListener(this);
  201.     btnExit.addActionListener(this);
  202.     btnSend.addActionListener(this);
  203.     btnSave.addActionListener(this);
  204.     lstUserList.addActionListener(this);
  205.     txtMessage.addActionListener(this);
  206.    
  207.     
  208.     //启动聊天页面信息刷新线程
  209. Thread thread = new Thread(this);
  210.        thread.start();
  211.     
  212. //     Icon log=new ImageIcon("images\chat.jpg");
  213. //   lblBack = new JLabel(log);
  214. // lblBack.setBounds(1, 1, 600,420);
  215. // pnlChat.add(lblBack);
  217.     frmChat.setSize(600,440);
  218.     frmChat.setVisible(true);
  219.     frmChat.setResizable(false);
  220.     
  221.     //将窗口定位在屏幕中央
  222.      scrnsize=toolkit.getScreenSize();
  223.      frmChat.setLocation(scrnsize.width/2-frmChat.getWidth()/2,
  224.                       scrnsize.height/2-frmChat.getHeight()/2);
  225.      Image img=toolkit.getImage("images\appico.jpg");
  226.         frmChat.setIconImage(img);
  228. }  //构造方法结束
  230. public void run()
  231. {   
  232.     int intMessageCounter=0;
  233.     int intUserTotal=0;
  234.     boolean isFirstLogin=true; //判断是否刚登陆
  235.     boolean isFound;      //判断是否找到用户
  236.     Vector user_exit=new Vector();
  237.     try
  238.     {
  239. for(;;)
  240. {
  241.           Socket toServer;
  242.   toServer=new Socket(strServerIp,1001);
  243. //将信息发往服务器
  244.       Message messobj=new Message();
  245.      ObjectOutputStream streamtoserver=new ObjectOutputStream(toServer.getOutputStream());
  246.     streamtoserver.writeObject((Message)messobj);
  247.    //收来自服务器的信息
  248.      ObjectInputStream streamfromserver=new ObjectInputStream(toServer.getInputStream());
  249.     messobj=(Message)streamfromserver.readObject();
  250.   ////////刷新聊天信息列表//////////
  251.   if (isFirstLogin)   //如果刚登陆
  252. {
  253.   intMessageCounter=messobj.chat.size();   //屏蔽该用户登陆前的聊天内容
  254.   isFirstLogin=false;
  255. }
  256. //  taUserMessage.setText("");
  257. for (int i=intMessageCounter;i<messobj.chat.size();i++)
  258. {
  259.     Chat temp=(Chat)messobj.chat.elementAt(i);
  260.      String temp_message;
  261.     if (temp.chatUser.equals(strLoginName))
  262.     {
  263.            if(temp.chatToUser.equals(strLoginName))
  264.           {
  265.             temp_message="系统提示您：请不要自言自语！"+"n";
  266.           }
  267.           else
  268.           {
  269.               if (!temp.whisper)   //不是悄悄话
  270.               {
  271.                  temp_message="【你】对【"+temp.chatToUser+"】说："+temp.chatMessage+"n";
  272.               }
  273.               else
  274.               {
  275.                   temp_message="【你】悄悄对【"+temp.chatToUser+"】说："+temp.chatMessage+"n";
  276.               }
  277.           }
  278.       }
  279.       else
  280.       {
  281.           if(temp.chatToUser.equals(strLoginName))
  282.           {
  283.               if (!temp.whisper)   //不是悄悄话
  284.               {
  285.                   temp_message="【"+temp.chatUser+"】对【你】说："+temp.chatMessage+"n";
  286.               }
  287.               else
  288.               {
  289.                  temp_message="【"+temp.chatUser+"】悄悄对【你】说："+temp.chatMessage+"n";
  290.               }
  291.           }
  292.           else
  293.           {
  294.               if (!temp.chatUser.equals(temp.chatToUser))  //对方没有自言自语
  295.               {
  296.                  if (!temp.whisper)   //不是悄悄话
  297.                  {
  298.                      temp_message="【"+temp.chatUser+"】对【"+temp.chatToUser+"】说："+temp.chatMessage+"n";
  299.                   }
  300.                   else
  301.                   {
  302.                    temp_message="";
  303.                   }
  304.               }
  305.               else
  306.               {
  307.                  temp_message="";
  308.               }
  309.            }
  310.        }
  311.        taUserMessage.append(temp_message);
  312.        intMessageCounter++;
  313.     } 
  314.         
  315. ////////刷新在线用户//////////
  316. lstUserList.clear();
  317. for (int i=0;i<messobj.userOnLine.size();i++)
  318. {
  319.   String User=(String)messobj.userOnLine.elementAt(i);
  320. lstUserList.addItem(User);
  321.     }
  322.      Integer a=new Integer(messobj.userOnLine.size());
  323. lblCount.setText(a.toString());
  324. //显示用户进入聊天室的信息
  325. if(messobj.userOnLine.size()>intUserTotal)
  326. {
  327.      String tempstr=messobj.userOnLine.elementAt(messobj.userOnLine.size()-1).toString();
  328.      if(!tempstr.equals(strLoginName))
  329. {
  330. taUserMessage.append("【"+tempstr+"】来了"+"n");
  331. }
  332. }
  333.     //显示用户离开聊天室的信息
  334.     if(messobj.userOnLine.size()<intUserTotal)
  335.     {
  336.          for(int b=0;b<user_exit.size();b++)
  337.          {
  338.              isFound=false;
  339.              for(int c=0;c<messobj.userOnLine.size();c++)
  340.              {
  341.                  if(user_exit.elementAt(b).equals(messobj.userOnLine.elementAt(c)))
  342.                  {
  343. isFound=true;
  344.     break;
  345.     }
  346.          } 
  347.      if(!isFound)  //没有发现该用户
  348. {
  349.     if(!user_exit.elementAt(b).equals(strLoginName))
  350.      {
  351.          taUserMessage.append("【"+user_exit.elementAt(b)+"】走了"+"n");
  352.      }
  353. }
  354. }
  355. }
  356. user_exit=messobj.userOnLine;    
  357. intUserTotal=messobj.userOnLine.size();
  358.      streamtoserver.close();
  359.      streamfromserver.close();
  360.      toServer.close();
  361.      thread.sleep(1000);
  362. }
  363.     
  364. }
  365. catch (Exception e)
  366. {
  367. JOptionPane jop = new JOptionPane();
  368. jop.showMessageDialog(null,"不能连接服务器！");
  369. System.out.println(e);
  370. }
  372. }  //run()结束
  374. ///////////监听按钮响应//////////////
  375.     public void actionPerformed(ActionEvent ae)
  376.     {
  377.      Object source=(Object)ae.getSource();
  378.      if (source.equals(btnTimer))
  379.      {
  380.      new Clock();
  381.      }
  382.      if(source.equals(btnCls))
  383.      {
  384.          clearMessage();
  385.      }
  386.      if(source.equals(btnExit))
  387.      {
  388.          exit();
  389.      }
  390.      if(source.equals(btnSend))
  391.      {
  392.      sendMessage();
  393.      }
  394.      if(source.equals(btnSave))
  395.      {
  396.          saveMessage();
  397.      }
  398.      if(source.equals(lstUserList))  //双击列表框
  399.      {
  400.      changeUser();
  401.      }
  402.     } // actionPerformed()结束
  403.     
  404.     
  405.     ///////////监听窗口关闭响应//////////////
  406.     class Windowclose extends WindowAdapter
  407.     {
  408.         public void windowClosing(WindowEvent e)
  409.         {
  410.          exit();
  411.         }
  412.     }
  413.     
  414.     //"清屏"按钮
  415.     public void  clearMessage()
  416.     {
  417.         taUserMessage.setText("");
  418.     }
  419.     
  420.     //"退出"按钮
  421.     public void exit()
  422.     {
  423.         Exit exit=new Exit();
  424.         exit.exitname=strLoginName;
  425.         //发送退出信息
  426.         try
  427.         {
  428.             Socket toServer=new Socket(strServerIp,1001);
  429.             //向服务器发送信息
  430.             ObjectOutputStream outObj=new ObjectOutputStream(toServer.getOutputStream());
  431.             outObj.writeObject(exit);
  432.             outObj.close();
  433.      toServer.close();
  434.      frmChat.dispose();
  435.         }
  436.         catch(Exception e)
  437.         {
  438.         }
  439.     
  440.     }  //exit()结束
  441.     
  442.     //"发送"按钮
  443.     public void sendMessage()
  444.     {
  445.      Chat chatobj=new Chat();
  446.      chatobj.chatUser=strLoginName;
  447.      chatobj.chatMessage=txtMessage.getText();
  448.      chatobj.chatToUser=String.valueOf(cmbUser.getSelectedItem());
  449.      chatobj.whisper=chPrivateChat.isSelected()?true:false;
  450.         //向服务器发送信息
  451.      try
  452.      {
  453.      Socket toServer=new Socket(strServerIp,1001);
  454.      ObjectOutputStream outObj=new ObjectOutputStream(toServer.getOutputStream());
  455.      outObj.writeObject(chatobj);
  456.          txtMessage.setText("");   //清空文本框
  457.          outObj.close();
  458.      toServer.close();
  459.      }
  460.      catch(Exception e)
  461.      {
  462.      }
  463.     } //sendMessage()结束
  464.     
  465.     //"保存"按钮
  466.     public void saveMessage()
  467.     {
  468.      try
  469.      {
  470.      FileOutputStream  fileoutput=new FileOutputStream("message.txt",true);
  471.          String temp=taUserMessage.getText();
  472.          System.out.println(temp);
  473.          fileoutput.write(temp.getBytes());
  474.          fileoutput.close();
  475.         }
  476.         catch(Exception e)
  477.         {
  478.          System.out.println(e);
  479.         }
  480.         
  481.     }
  482.     
  483.     //将所选用户添加到cmbUser中
  484.    public void changeUser()
  485. {
  486. boolean key = true;
  487. String selected = lstUserList.getSelectedItem();
  489. for(int i = 0; i < cmbUser.getItemCount(); i++)
  490. {
  491.    if(selected.equals(cmbUser.getItemAt(i)))
  492.        {
  493.    key = false;
  494.        break;
  495.    }
  496. }
  497. if(key == true)
  498. {
  499.    cmbUser.insertItemAt(selected,0);
  500. }
  501. cmbUser.setSelectedItem(selected);
  502.     
  503.     } //changeUser()结束
  504.     
  505.     public static void main(String args[])
  506.     {
  507.      new ChatRoom("测试用户","127.0.0.1");
  508.     }
  509.     
  510. }