Java聊天室毕业论文(8)

河南理工大学本科生毕业设计(论文)说明书

过该输入输出流来相互传递信息，一旦收到客户方的连接请求，服务器accept()方法返回一个新建的Socket对象。客户端然后向服务器发送消息，比如文件传输等，服务器收到来自客户的请求后，针对不同的消息处理请求。

客户端程序流程图如图4-3：

图4-3 客户端程序流程图

程序如下：

import java.awt.*;

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

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

public class ChatClient extends JFrame implements ActionListener{ String ip=\

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河南理工大学本科生毕业设计(论文)说明书

int port=8888;

String userName=\匆匆过客\ int type=0; Image icon;

JComboBox combobox; JTextArea messageShow;

JScrollPane messageScrollPane;

JLabel express,sendToLabel,messageLabel; JTextField clientMessage; JCheckBox checkbox; JComboBox actionlist;

JButton clientMessageButton; JTextField showStatus; Socket socket;

ObjectOutputStream output; ObjectInputStream input; ClientReceive recvThread;

JMenuBar jMenuBar=new JMenuBar();

JMenu operateMenu=new JMenu(\操作(O)\

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)\ JToolBar toolBar=new JToolBar(); JButton loginButton; JButton logoffButton; JButton userButton; JButton connectButton; JButton exitButton;

Dimension faceSize=new Dimension(500,700); JPanel downPanel;

GridBagLayout gridBag;

GridBagConstraints gridBagCon; public ChatClient() {

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河南理工大学本科生毕业设计(论文)说明书

init();

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.pack();

this.setSize(faceSize);

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\ icon=getImage(\ this.setIconImage(icon); //show();

setVisible(true);

operateMenu.setMnemonic('O'); loginItem.setMnemonic('I');

loginItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_I,InputEvent.CTRL_MASK));

logoffItem.setMnemonic('L');

logoffItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_L,InputEvent.CTRL_MASK));

exitItem.setMnemonic('X');

exitItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X,InputEvent.CTRL_MASK));

conMenu.setMnemonic('C'); userItem.setMnemonic('U');

userItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_U,InputEvent.CTRL_MASK));

connectItem.setMnemonic('C');

connectItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C,InputEvent.CTRL_MASK));

helpMenu.setMnemonic('H'); helpItem.setMnemonic('H');

helpItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_H,InputEvent.CTRL_MASK)); }

public void init(){

Container contentPane=getContentPane();

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河南理工大学本科生毕业设计(论文)说明书

contentPane.setLayout(new BorderLayout());

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);

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\

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\ toolBar.add(userButton); toolBar.add(connectButton); toolBar.addSeparator(); toolBar.add(loginButton); toolBar.add(logoffButton); toolBar.addSeparator(); 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(\轻轻的\ actionlist.addItem(\生气地\ actionlist.addItem(\小心地\ actionlist.addItem(\静静地\

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河南理工大学本科生毕业设计(论文)说明书

actionlist.setSelectedIndex(0); loginButton.setEnabled(true); logoffButton.setEnabled(false); loginItem.addActionListener(this); logoffItem.addActionListener(this); exitItem.addActionListener(this); userItem.addActionListener(this); connectItem.addActionListener(this); helpItem.addActionListener(this); loginButton.addActionListener(this); logoffButton.addActionListener(this); userButton.addActionListener(this); connectButton.addActionListener(this); exitButton.addActionListener(this); combobox=new JComboBox(); combobox.insertItemAt(\所有人\ combobox.setSelectedIndex(0); messageShow=new JTextArea(); messageShow.setEditable(false); 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\ 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();

gridBag=new GridBagLayout(); downPanel.setLayout(gridBag);

gridBagCon=new GridBagConstraints(); gridBagCon.gridx=0;

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