icqframe.java

它能够进行简单的文字聊天和基本的信息交换。

/*
 * icqframe.java
 *
 * Created on 2008年3月20日, 下午3:49
 */

import java.awt.*;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.MulticastSocket;
import java.net.UnknownHostException;
import java.util.Hashtable;
import java.util.Vector;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;


/**
 *
 * @author  codewar1
 */
public class icqframe extends javax.swing.JFrame {
    
    /** Creates new form icqframe */
    public icqframe() {
        my_name = JOptionPane.showInputDialog("Enter Your Name");
        if ( my_name == null){  System.exit(0); }
        
        initComponents();
        join();
    }
    
    /** 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();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jPanel2 = new javax.swing.JPanel();
        jScrollPane2 = new javax.swing.JScrollPane();
        jList1 = new JList(model);
        jPanel3 = new javax.swing.JPanel();
        jTextField1 = new javax.swing.JTextField();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("LanICQ");
        setIconImage(getIconImage());
        jPanel1.setBackground(new java.awt.Color(0, 51, 51));
        jPanel1.setBorder(javax.swing.BorderFactory.createEtchedBorder(new java.awt.Color(0, 0, 0), null));
        jPanel1.setForeground(new java.awt.Color(204, 204, 0));
        jLabel1.setFont(new java.awt.Font("宋体", 1, 12));
        jLabel1.setForeground(new java.awt.Color(255, 255, 255));
        jLabel1.setText("On Line Users:");

        jLabel2.setFont(new java.awt.Font("宋体", 1, 12));
        jLabel2.setForeground(new java.awt.Color(255, 255, 255));
        jLabel2.setText("Send");
        jLabel2.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mousePressed(java.awt.event.MouseEvent evt) {
                jLabel2MousePressed(evt);
            }
        });

        jLabel3.setFont(new java.awt.Font("宋体", 1, 12));
        jLabel3.setForeground(new java.awt.Color(255, 255, 255));
        jLabel3.setText("Quit");

        jLabel4.setBackground(new java.awt.Color(255, 255, 255));
        jLabel4.setFont(new java.awt.Font("宋体", 1, 12));
        jLabel4.setForeground(new java.awt.Color(255, 255, 255));
        jLabel4.setText(" LanICQ   \u56e7\u56e7");

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel1)
                .addGap(49, 49, 49)
                .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(29, 29, 29)
                .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 61, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 188, Short.MAX_VALUE)
                .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, 35, Short.MAX_VALUE)
                .addComponent(jLabel2)
                .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 15, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addComponent(jLabel4, javax.swing.GroupLayout.DEFAULT_SIZE, 35, Short.MAX_VALUE)
        );

        jPanel2.setBackground(new java.awt.Color(204, 204, 204));
        jPanel2.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.LOWERED, null, new java.awt.Color(153, 153, 153), null, null));
        jList1.setBackground(new java.awt.Color(204, 204, 204));

        jList1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jList1MouseClicked(evt);
            }
        });

        jScrollPane2.setViewportView(jList1);

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 100, Short.MAX_VALUE)
                .addContainerGap())
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 328, Short.MAX_VALUE)
                .addContainerGap())
        );

        jPanel3.setBackground(new java.awt.Color(204, 204, 204));
        jPanel3.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(153, 153, 153), 4));
        jTextField1.setBackground(new java.awt.Color(255, 255, 153));
        jTextField1.setBorder(javax.swing.BorderFactory.createEtchedBorder(javax.swing.border.EtchedBorder.RAISED));
        jTextField1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField1ActionPerformed(evt);
            }
        });

        jTextArea1.setBackground(new java.awt.Color(204, 204, 204));
        jTextArea1.setRows(8);
        jTextArea1.setTabSize(4);
        jTextArea1.setSelectedTextColor(new java.awt.Color(51, 153, 0));
        jScrollPane1.setViewportView(jTextArea1);

        javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
        jPanel3.setLayout(jPanel3Layout);
        jPanel3Layout.setHorizontalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 461, Short.MAX_VALUE)
            .addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 461, Short.MAX_VALUE)
        );
        jPanel3Layout.setVerticalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel3Layout.createSequentialGroup()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 286, Short.MAX_VALUE)
                .addGap(15, 15, 15)
                .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(