chatclient.java

达内学习时老师写的一个即时通信系统源码,有一定的学习价值!

/*
 * ChatClient.java
 *
 *
 */

package com.project.chat.client;

import javax.swing.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import com.project.util.CharacterUtil;
/**
 *
 * @author  zl
 */
public class ChatClient extends javax.swing.JFrame
{
    private Thread thread;
    
    /** Creates new form ChatClient */
    public ChatClient(Thread parentThread)
    {
        initComponents();
        this.thread = parentThread;
        this.addWindowListener(new MyEvent(parentThread));
        this.jTextArea1.setForeground(new java.awt.Color(0,0,255));
        this.jTextArea1.setEditable(false);
        this.jTextArea2.setEditable(false);
    }
    
    public Thread getThread()
    {
        return thread;
    }
    
    public JTextArea getJTextArea2()
    {
        return jTextArea2;
    }
    
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">//GEN-BEGIN:initComponents
    private void initComponents()
    {
        jPanel1 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jSeparator1 = new javax.swing.JSeparator();
        jTextField1 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        jScrollPane2 = new javax.swing.JScrollPane();
        jTextArea2 = new javax.swing.JTextArea();

        setDefaultCloseOperation(javax.swing.WindowConstants.DO_NOTHING_ON_CLOSE);
        setTitle("\u804a\u5929\u5ba4");
        setResizable(false);
        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "\u804a\u5929\u5ba4\u4fe1\u606f", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("Dialog", 0, 13), new java.awt.Color(0, 51, 204)));
        jTextArea1.setColumns(20);
        jTextArea1.setRows(5);
        jScrollPane1.setViewportView(jTextArea1);

        jTextField1.addKeyListener(new java.awt.event.KeyAdapter()
        {
            public void keyPressed(java.awt.event.KeyEvent evt)
            {
                jTextField1KeyPressed(evt);
            }
        });

        jButton1.setText("\u53d1\u9001");
        jButton1.addActionListener(new java.awt.event.ActionListener()
        {
            public void actionPerformed(java.awt.event.ActionEvent evt)
            {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("\u6e05\u5c4f");
        jButton2.addActionListener(new java.awt.event.ActionListener()
        {
            public void actionPerformed(java.awt.event.ActionEvent evt)
            {
                jButton2ActionPerformed(evt);
            }
        });

        org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(org.jdesktop.layout.GroupLayout.TRAILING, jPanel1Layout.createSequentialGroup()
                .add(jTextField1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 385, Short.MAX_VALUE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jButton1)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jButton2))
            .add(org.jdesktop.layout.GroupLayout.TRAILING, jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 511, Short.MAX_VALUE)
            .add(org.jdesktop.layout.GroupLayout.TRAILING, jSeparator1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 511, Short.MAX_VALUE)
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel1Layout.createSequentialGroup()
                .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 346, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jSeparator1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 12, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton2)
                    .add(jButton1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 27, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 27, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)))
        );

        jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "\u5728\u7ebf\u7528\u6237\u5217\u8868", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("Dialog", 0, 13), new java.awt.Color(0, 51, 204)));
        jTextArea2.setColumns(11);
        jTextArea2.setRows(5);
        jScrollPane2.setViewportView(jTextArea2);

        org.jdesktop.layout.GroupLayout jPanel2Layout = new org.jdesktop.layout.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jScrollPane2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 135, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel2Layout.createSequentialGroup()
                .add(jScrollPane2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 407, Short.MAX_VALUE)
                .addContainerGap())
        );

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jPanel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                    .add(org.jdesktop.layout.GroupLayout.LEADING, jPanel2, 0, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .add(org.jdesktop.layout.GroupLayout.LEADING, jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 450, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents
    
    /**
     *此处代码需要重构，与按钮按下时的处理代码相同
     */
    
   
    private void jTextField1KeyPressed(java.awt.event.KeyEvent evt)//GEN-FIRST:event_jTextField1KeyPressed
    {//GEN-HEADEREND:event_jTextField1KeyPressed
        if(KeyEvent.VK_ENTER == evt.getKeyCode())
        {
            String text = this.jTextField1.getText();
            String message = CharacterUtil.CLIENT_NAME + ":" + text;
            if("".equals(text.trim()))
            {
                JOptionPane.showMessageDialog(this,"内容不能为空！","警告",JOptionPane.WARNING_MESSAGE);
                this.jTextField1.requestFocus();
                return ;
            }
            this.jTextField1.setText("");
            thread = new SendMessageThread(message);
            thread.start();
        }
    }//GEN-LAST:event_jTextField1KeyPressed
    
    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_jButton2ActionPerformed
    {//GEN-HEADEREND:event_jButton2ActionPerformed
        this.jTextArea1.setText("");
    }//GEN-LAST:event_jButton2ActionPerformed
    
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_jButton1ActionPerformed
    {//GEN-HEADEREND:event_jButton1ActionPerformed
        String text = this.jTextField1.getText();
        String message = CharacterUtil.CLIENT_NAME + ":" + text;
        if("".equals(text.trim()))
        {
            JOptionPane.showMessageDialog(this,"内容不能为空！","警告",JOptionPane.WARNING_MESSAGE);
            this.jTextField1.requestFocus();
            return ;
        }
        this.jTextField1.setText("");
        thread = new SendMessageThread(message);
        thread.start();
    }//GEN-LAST:event_jButton1ActionPerformed
    
    public JTextArea getJTextArea1()
    {
        return jTextArea1;
    }
    
    public void setJTextArea1(JTextArea textArea1)
    {
        jTextArea1 = textArea1;
    }
    
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JSeparator jSeparator1;
    private javax.swing.JTextArea jTextArea1;
    private javax.swing.JTextArea jTextArea2;
    private javax.swing.JTextField jTextField1;
    // 变量声明结束//GEN-END:variables
    
}


class MyEvent extends WindowAdapter
{
    private Thread parentThread;
    public MyEvent(Thread parentThread)
    {
        this.parentThread = parentThread;
    }
    public void windowClosing(WindowEvent event)
    {
        int[] ports = CharacterUtil.string2Array(CharacterUtil.SERVER_PORT);
        int port = ports[0];
        try
        {
            InetAddress address = InetAddress.getByName(CharacterUtil.SERVER_HOST);
            Socket socket = new Socket(address,port);
            OutputStream outputStream = socket.getOutputStream();
            outputStream.write(CharacterUtil.CLIENT_NAME.getBytes());
            outputStream.close();
            socket.close();
            ((ClientConnectThread)parentThread).setFlag(false);
            System.exit(0);
        }
        catch(Exception ex)
        {
            ex.printStackTrace();
        }
    }
}