毕业论文论文范文课程设计实践报告法律论文英语论文教学论文医学论文农学论文艺术论文行政论文管理论文计算机安全
您现在的位置: 毕业论文 >> 课程设计 >> 正文

java聊天室源代码 第7页

更新时间:2008-11-28:  来源:毕业论文

 java聊天室代码

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.io.*;
import java.net.*;

/*
 * 聊天客户端的主框架类
 */
public class ChatClient extends JFrame implements ActionListener{

 String ip = "127.0.0.1";//连接到服务端的ip地址
 int port = 8888;//连接到服务端的端口号
 String userName = "匆匆过客";//用户名
 int type = 0;//0表示未连接,1表示已连接

 Image icon;//程序图标
 JComboBox combobox;//选择发送消息的接受者
 JTextArea messageShow;//客户端的信息显示
 JScrollPane messageScrollPane;//信息显示的滚动条

 JLabel express,sendToLabel,messageLabel ;

 JTextField clientMessage;//客户端消息的发送
 JCheckBox checkbox;//悄悄话
 JComboBox actionlist;//表情选择
 JButton clientMessageButton;//发送消息
 JTextField showStatus;//显示用户连接状态
 
 Socket socket;
 ObjectOutputStream output;//网络套接字输出流
 ObjectInputStream input;//网络套接字输入流
 
 ClientReceive recvThread;

 //建立菜单栏
 JMenuBar jMenuBar = new JMenuBar();
 //建立菜单组
 JMenu operateMenu = new JMenu ("操作(O)");
 //建立菜单项
 JMenuItem loginItem = new JMenuItem ("用户登录(I)");
 JMenuItem logoffItem = new JMenuItem ("用户注销(L)");
 JMenuItem exitItem=new JMenuItem ("退出(X)");

 JMenu conMenu=new JMenu ("设置(C)");
 JMenuItem userItem=new JMenuItem ("用户设置(U)");
 JMenuItem connectItem=new JMenuItem ("连接设置(C)");
 
 
 JMenu helpMenu=new JMenu ("帮助(H)");
 JMenuItem helpItem=new JMenuItem ("帮助(H)");

 //建立工具栏
 JToolBar toolBar = new JToolBar();
 //建立工具栏中的按钮组件
 JButton loginButton;//用户登录
 JButton logoffButton;//用户注销
 JButton userButton;//用户信息的设置
 JButton connectButton;//连接设置
 JButton exitButton;//退出按钮

 //框架的大小
 Dimension faceSize = new Dimension(400, 600);

 JPanel downPanel ;
 GridBagLayout girdBag;
 GridBagConstraints girdBagCon;
 
 public ChatClient(){
  init();//初始化程序

  //添加框架的关闭事件处理
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  this.pack();
  //设置框架的大小
  this.setSize(faceSize);

  //设置运行时窗口的位置
  Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
  this.setLocation( (int) (screenSize.width - faceSize.getWidth()) / 2,
       (int) (screenSize.height - faceSize.getHeight()) / 2);
  this.setResizable(false);
  this.setTitle("聊天室客户端"); //设置标题

  //程序图标
  icon = getImage("icon.gif");
  this.setIconImage(icon); //设置程序图标
  show();

  //为操作菜单栏设置热键'V'
  operateMenu.setMnemonic('O');

  //为用户登录设置快捷键为ctrl+i
  loginItem.setMnemonic ('I');
  loginItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_I,InputEvent.CTRL_MASK));

  //为用户注销快捷键为ctrl+l
  logoffItem.setMnemonic ('L');
  logoffItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_L,InputEvent.CTRL_MASK));

  //为退出快捷键为ctrl+x
  exitItem.setMnemonic ('X');
  exitItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_X,InputEvent.CTRL_MASK));

  //为设置菜单栏设置热键'C'
  conMenu.setMnemonic('C');

  //为用户设置设置快捷键为ctrl+u
  userItem.setMnemonic ('U');
  userItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_U,InputEvent.CTRL_MASK));

  //为连接设置设置快捷键为ctrl+c
  connectItem.setMnemonic ('C');
  connectItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_C,InputEvent.CTRL_MASK));

  //为帮助菜单栏设置热键'H'
  helpMenu.setMnemonic('H');

  //为帮助设置快捷键为ctrl+p
  helpItem.setMnemonic ('H');
  helpItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_H,InputEvent.CTRL_MASK));
 }

 /**
  * 程序初始化函数
  */
 public void init(){

  Container contentPane = getContentPane();
  contentPane.setLayout(new BorderLayout());

  //添加菜单栏
  operateMenu.add (loginItem);
  operateMenu.add (logoffItem);
  operateMenu.add (exitItem);
  jMenuBar.add (operateMenu);
  conMenu.add (userItem);
  conMenu.add (connectItem);
  jMenuBar.add (conMenu);
  helpMenu.add (helpItem);
  jMenuBar.add (helpMenu);
  setJMenuBar (jMenuBar);

  //初始化按钮
  loginButton = new JButton("登录");
  logoffButton = new JButton("注销");
  userButton  = new JButton("用户设置" );
  connectButton  = new JButton("连接设置" );
  exitButton = new JButton("退出" );
  //当鼠标放上显示信息
  loginButton.setToolTipText("连接到指定的服务器");
  logoffButton.setToolTipText("与服务器断开连接");
  userButton.setToolTipText("设置用户信息");
  connectButton.setToolTipText("设置所要连接到的服务器信息");
  //将按钮添加到工具栏
  toolBar.add(userButton);
  toolBar.add(connectButton);
  toolBar.addSeparator();//添加分隔栏
  toolBar.add(loginButton);
  toolBar.add(logoffButton);
  toolBar.addSeparator();//添加分隔栏
  toolBar.add(exitButton);
  contentPane.add(toolBar,BorderLayout.NORTH);

  checkbox = new JCheckBox("悄悄话");
  checkbox.setSelected(false);

  actionlist = new JComboBox();
  actionlist.addItem("微笑地");
  actionlist.addItem("高兴地");
  actionlist.addItem("轻轻地");
  actionlist.addItem("生气地");
  actionlist.addItem("小心地");
  actionlist.addItem("静静地");
  actionlist.setSelectedIndex(0);

  //初始时
  loginButton.setEnabled(true);
  logoffButton.setEnabled(false);

  //为菜单栏添加事件监听
  loginItem.addActionListener(this);
  logoffItem.addActionListener(this);
  exitItem.addActionListener(this);
  userItem.addActionListener(this);
  connectItem.addActionListener(this);
  helpItem.addActionListener(this);
  
  //添加按钮的事件侦听
  loginButton.addActionListener(this);
  logoffButton.addActionListener(this);
  userButton.addActionListener(this);
  connectButton.addActionListener(this);
  exitButton.addActionListener(this);
  
  combobox = new JComboBox();
  combobox.insertItemAt("所有人",0);
  combobox.setSelectedIndex(0);
  
  messageShow = new JTextArea();
  messageShow.setEditable(false);
  //添加滚动条
  messageScrollPane = new JScrollPane(messageShow,
   JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
   JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
  messageScrollPane.setPreferredSize(new Dimension(400,400));
  messageScrollPane.revalidate();
  
  clientMessage = new JTextField(23);
  clientMessage.setEnabled(false);
  clientMessageButton = new JButton();
  clientMessageButton.setText("发送");

  //添加系统消息的事件侦听
  clientMessage.addActionListener(this);
  clientMessageButton.addActionListener(this);

  sendToLabel = new JLabel("发送至:");
  express = new JLabel("         表情:   ");
  messageLabel = new JLabel("发送消息:");
  downPanel = new JPanel();
  girdBag = new GridBagLayout();
  downPanel.setLayout(girdBag);

  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx = 0;
  girdBagCon.gridy = 0;
  girdBagCon.gridwidth = 5;
  girdBagCon.gridheight = 2;
  girdBagCon.ipadx = 5;
  girdBagCon.ipady = 5;
  JLabel none = new JLabel("    ");
  girdBag.setConstraints(none,girdBagCon);
  downPanel.add(none);

  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx = 0;
  girdBagCon.gridy = 2;
  girdBagCon.insets = new Insets(1,0,0,0);
  //girdBagCon.ipadx = 5;
  //girdBagCon.ipady = 5;
  girdBag.setConstraints(sendToLabel,girdBagCon);
  downPanel.add(sendToLabel);

  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx =1;
  girdBagCon.gridy = 2;
  girdBagCon.anchor = GridBagConstraints.LINE_START;
  girdBag.setConstraints(combobox,girdBagCon);
  downPanel.add(combobox);

  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx =2;
  girdBagCon.gridy = 2;
  girdBagCon.anchor = GridBagConstraints.LINE_END;
  girdBag.setConstraints(express,girdBagCon);
  downPanel.add(express);

  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx = 3;
  girdBagCon.gridy = 2;
  girdBagCon.anchor = GridBagConstraints.LINE_START;
  //girdBagCon.insets = new Insets(1,0,0,0);
  //girdBagCon.ipadx = 5;
  //girdBagCon.ipady = 5;
  girdBag.setConstraints(actionlist,girdBagCon);
  downPanel.add(actionlist);

  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx = 4;
  girdBagCon.gridy = 2;
  girdBagCon.insets = new Insets(1,0,0,0);
  //girdBagCon.ipadx = 5;
  //girdBagCon.ipady = 5;
  girdBag.setConstraints(checkbox,girdBagCon);
  downPanel.add(checkbox);

  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx = 0;
  girdBagCon.gridy = 3;
  girdBag.setConstraints(messageLabel,girdBagCon);
  downPanel.add(messageLabel);

  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx = 1;
  girdBagCon.gridy = 3;
  girdBagCon.gridwidth = 3;
  girdBagCon.gridheight = 1;
  girdBag.setConstraints(clientMessage,girdBagCon);
  downPanel.add(clientMessage);

  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx = 4;
  girdBagCon.gridy = 3;
  girdBag.setConstraints(clientMessageButton,girdBagCon);
  downPanel.add(clientMessageButton);

  showStatus = new JTextField(35);
  showStatus.setEditable(false);
  girdBagCon = new GridBagConstraints();
  girdBagCon.gridx = 0;
  girdBagCon.gridy = 5;
  girdBagCon.gridwidth = 5;
  girdBag.setConstraints(showStatus,girdBagCon);
  downPanel.add(showStatus);

  contentPane.add(messageScrollPane,BorderLayout.CENTER);
  contentPane.add(downPanel,BorderLayout.SOUTH);
  
  //关闭程序时的操作
  this.addWindowListener(
   new WindowAdapter(){
    public void windowClosing(WindowEvent e){
     if(type == 1){
      DisConnect();
     }
     System.exit(0);
    }
   }
  );
 }

 /**
  * 事件处理
  */
 public void actionPerformed(ActionEvent e) {
  Object obj = e.getSource();
  
  if (obj == userItem || obj == userButton) { //用户信息设置
   //调出用户信息设置对话框
   UserConf userConf = new UserConf(this,userName);
   userConf.show();
   userName = userConf.userInputName;
  }
  else if (obj == connectItem || obj == connectButton) { //连接服务端设置
   //调出连接设置对话框
   ConnectConf conConf = new ConnectConf(this,ip,port);
   conConf.show();
   ip = conConf.userInputIp;
   port = conConf.userInputPort;
  }
  else if (obj == loginItem || obj == loginButton) { //登录
   Connect();
  }
  else if (obj == logoffItem || obj == logoffButton) { //注销
   DisConnect();
   showStatus.setText("");
  }
  else if (obj == clientMessage || obj == clientMessageButton) { //发送消息
   SendMessage();
   clientMessage.setText("");
  }
  else if (obj == exitButton || obj == exitItem) { //退出
   int j=JOptionPane.showConfirmDialog(
    this,"真的要退出吗?","退出",
    JOptionPane.YES_OPTION,JOptionPane.QUESTION_MESSAGE);
   
   if (j == JOptionPane.YES_OPTION){
    if(type == 1){
     DisConnect();
    }
    System.exit(0);
   }
  }
  else if (obj == helpItem) { //菜单栏中的帮助
   //调出帮助对话框
   Help helpDialog = new Help(this);
   helpDialog.show();
  }
 }

 
 public void Connect(){
  try{
   socket = new Socket(ip,port);
  }
  catch (Exception e){
   JOptionPane.showConfirmDialog(
    this,"不能连接到指定的服务器。\n请确认连接设置是否正确。","提示",
    JOptionPane.DEFAULT_OPTION,JOptionPane.WARNING_MESSAGE);
   return;
  }

  try{
   output = new ObjectOutputStream(socket.getOutputStream());
   output.flush();
   input  = new ObjectInputStream(socket.getInputStream() );
   
   output.writeObject(userName);
   output.flush();
   
   recvThread = new ClientReceive(socket,output,input,combobox,messageShow,showStatus);
   recvThread.start();
   
   loginButton.setEnabled(false);
   loginItem.setEnabled(false);
   userButton.setEnabled(false);
   userItem.setEnabled(false);
   connectButton.setEnabled(false);
   connectItem.setEnabled(false);
   logoffButton.setEnabled(true);
   logoffItem.setEnabled(true);
   clientMessage.setEnabled(true);
   messageShow.append("连接服务器 "+ip+":"+port+" 成功...\n");
   type = 1;//标志位设为已连接
  }
  catch (Exception e){
   System.out.println(e);
   return;
  }
 }
 
 public void DisConnect(){
  loginButton.setEnabled(true);
  loginItem.setEnabled(true);
  userButton.setEnabled(true);
  userItem.setEnabled(true);
  connectButton.setEnabled(true);
  connectItem.setEnabled(true);
  logoffButton.setEnabled(false);
  logoffItem.setEnabled(false);
  clientMessage.setEnabled(false);
  
  if(socket.isClosed()){
   return ;
  }
  
  try{
   output.writeObject("用户下线");
   output.flush();
  
   input.close();
   output.close();
   socket.close();
   messageShow.append("已经与服务器断开连接...\n");
   type = 0;//标志位设为未连接
  }
  catch (Exception e){
   //
  }
 }
 
 public void SendMessage(){
  String toSomebody = combobox.getSelectedItem().toString();
  String status  = "";
  if(checkbox.isSelected()){
   status = "悄悄话";
  }
  
  String action = actionlist.getSelectedItem().toString();
  String message = clientMessage.getText();
  
  if(socket.isClosed()){
   return ;
  }
  
  try{
   output.writeObject("聊天信息");
   output.flush();
   output.writeObject(toSomebody);
   output.flush();
   output.writeObject(status);
   output.flush();
   output.writeObject(action);
   output.flush();
   output.writeObject(message);
   output.flush();
  }
  catch (Exception e){
   //
  }
 }

 /**
  * 通过给定的文件名获得图像
  */
 Image getImage(String filename) {
  URLClassLoader urlLoader = (URLClassLoader)this.getClass().
   getClassLoader();
  URL url = null;
  Image image = null;
  url = urlLoader.findResource(filename);
  image = Toolkit.getDefaultToolkit().getImage(url);
  MediaTracker mediatracker = new MediaTracker(this);
  try {
   mediatracker.addImage(image, 0);
   mediatracker.waitForID(0);
  }
  catch (InterruptedException _ex) {
   image = null;
  }
  if (mediatracker.isErrorID(0)) {
   image = null;
  }

  return image;
 }

 public static void main(String[] args) {
  ChatClient app = new ChatClient();
 }
}

上一页  [1] [2] [3] [4] [5] [6] [7] [8] [9] [10]  ... 下一页  >> 

java聊天室源代码 第7页下载如图片无法显示或论文不完整,请联系qq752018766
设为首页 | 联系站长 | 友情链接 | 网站地图 |

copyright©751com.cn 辣文论文网 严禁转载
如果本毕业论文网损害了您的利益或者侵犯了您的权利,请及时联系,我们一定会及时改正。