qq聊天

java 代码

import java.net.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.GregorianCalendar;
import javax.swing.JDialog;

public class QQ extends Frame implements ActionListener {
    Label label1 = new Label("请输入您要发送的信息（限英文）：");
    Label label2 = new Label("以下是你收到的消息记录：");
    Label label3 = new Label("把以上消息发给如下IP地址：");
    TextArea input = new TextArea("", 7, 14, TextArea.SCROLLBARS_BOTH);
    TextArea output = new TextArea("", 8, 14, TextArea.SCROLLBARS_BOTH);
    TextField IPAdd = new TextField("192.168.1.88");
    Button send = new Button("发送消息");
    Button about = new Button("关于");
    Button clear = new Button("清空消息纪录");
    GregorianCalendar time = new GregorianCalendar();

    QQ() {
        super("仿QQ聊天工具");
        setLayout(null);
        setLocation(250, 250);
        this.setSize(518, 218);
        this.setResizable(false); // 大小不可变
        this.setBackground(new Color(220, 220, 220));
        Toolkit kit = Toolkit.getDefaultToolkit();
        Image myImage = kit.getImage("icons\\QQ.bmp");
        this.setIconImage(myImage);

        label1.setFont(new Font("宋体", Font.PLAIN, 12));
        label1.setForeground(new Color(0, 0, 192));
        label1.setBounds(8, 28, 216, 16);

        input.setBackground(new Color(255, 255, 128));
        input.setFont(new Font("Times New Roman", Font.BOLD, 15));
        input.setForeground(Color.magenta);
        input.setBounds(8, 44, 248, 120);

        output.setBackground(new Color(128, 255, 255));
        output.setFont(new Font("Times New Roman", Font.PLAIN, 12));
        output.setForeground(Color.magenta);
        output.setBounds(264, 44, 248, 136);
        output.setEditable(false);

        send.setFont(new Font("新宋体", Font.PLAIN, 12));
        send.setLocation(136, 188);
        send.setSize(120, 22);

        clear.setFont(new Font("新宋体", Font.PLAIN, 12));
        clear.setLocation(392, 188);
        clear.setSize(120, 22);

        label2.setFont(new Font("宋体", Font.PLAIN, 12));
        label2.setForeground(new Color(0, 0, 192));
        label2.setBounds(264, 28, 216, 16);

        about.setFont(new Font("新宋体", Font.PLAIN, 12));
        about.setLocation(264, 188);
        about.setSize(120, 22);

        label3.setFont(new Font("宋体", Font.PLAIN, 12));
        label3.setForeground(new Color(0, 0, 192));
        label3.setBounds(8, 172, 160, 16);

        IPAdd.setFont(new Font("新宋体", Font.PLAIN, 12));
        IPAdd.setLocation(8, 190);
        IPAdd.setSize(120, 19);

        add(label1);
        add(input);
        add(label3);
        add(label2);
        add(output);
        add(IPAdd);
        add(send);
        add(about);
        add(clear);
        addWindowListener(new closeWin());
        send.addActionListener(this);
        about.addActionListener(this);
        clear.addActionListener(this);

        show();
        waitForData();
    }

    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == send)
            sendData();
        else if (e.getSource() == clear)
            output.setText("");
        else if (e.getSource() == about) {
            AboutQQ test = new AboutQQ(this);
        }
    }

    public static void main(String args[]) {
        new QQ();
    }

    void sendData() {
        try {
            String msg = input.getText();
            if (msg.equals(""))
                return;
            input.setText("");
            String ad = IPAdd.getText();
            InetAddress tea = InetAddress.getLocalHost();
            String asd = tea.getHostAddress();//发送方的IP地址
            output.append("[" + asd + "]:(" + time.get(GregorianCalendar.YEAR)
                    + "-" + time.get(GregorianCalendar.MONTH) + "-"
                    + time.get(GregorianCalendar.DATE) + " "
                    + time.get(GregorianCalendar.HOUR) + ":"
                    + time.get(GregorianCalendar.MINUTE) + ":"
                    + time.get(GregorianCalendar.SECOND) + ") " + "\n" + msg
                    + "\n");
            msg = "From [" + asd + "]:(" + time.get(GregorianCalendar.YEAR)
                    + "-" + time.get(GregorianCalendar.MONTH) + "-"
                    + time.get(GregorianCalendar.DATE) + " "
                    + time.get(GregorianCalendar.HOUR) + ":"
                    + time.get(GregorianCalendar.MINUTE) + ":"
                    + time.get(GregorianCalendar.SECOND) + ") \n" + msg;
            InetAddress address = InetAddress.getByName(ad);
            int len = msg.length();
            byte[] message = new byte[len];
            msg.getBytes(0, len, message, 0);
            DatagramPacket packet = new DatagramPacket(message, len, address,
                    9999);
            DatagramSocket socket = new DatagramSocket();
            socket.send(packet);
        } catch (Exception e) {
        }
    }

    void waitForData() {
        try {
            byte[] buffer = new byte[1024];
            DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
            DatagramSocket socket = new DatagramSocket(9999);
            while (true) {
                socket.receive(packet);
                String s = new String(buffer, 0, 0, packet.getLength());
                output.append(s + "\n");
                packet = new DatagramPacket(buffer, buffer.length);
            }
        } catch (Exception e) {
        }
    }
}

class closeWin extends WindowAdapter {
    public void windowClosing(WindowEvent e) {
        Frame fr = (Frame) (e.getSource());
        fr.dispose();
        System.exit(0);
    }
}

class AboutQQ {
    private Label label;
    private JDialog dialog;

    public AboutQQ(Frame f){
        label = new Label("Version 1.0");
        dialog = new JDialog(f, "About", true);
        dialog.setLocation(f.getLocation());
        Container dialogPane = dialog.getContentPane();
        dialogPane.setLayout(new BorderLayout());
        dialogPane.add(label);
        dialogPane.setBounds(50,50,50,50);
        dialog.pack();
        dialog.show();
    }
}