微型java聊天室--客户端

syd168

package tcpclient;

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

/**
* <p>Title: no</p>
* <p>Description: This a Java builder program</p>
* <p>Copyright: Copyright (c) 2004</p>
* <p>Company: home</p>
* @author syd168
* @version 1.0
*/


public class Application1 {
  private boolean packFrame = false;

  //Construct the application
  public Application1() {
    Frame1 frame = new Frame1();
    //Validate frames that have preset sizes
    //Pack frames that have useful preferred size info, e.g. from their layout
    if (packFrame) {
      frame.pack();
    }
    else {
      frame.validate();
    }
    //Center the window
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = frame.getSize();
    if (frameSize.height > screenSize.height) {
      frameSize.height = screenSize.height;
    }
    if (frameSize.width > screenSize.width) {
      frameSize.width = screenSize.width;
    }
    frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
    frame.setVisible(true);
    try {
      jbInit();
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
  }
  //Main method
  public static void main(String[] args) {
    try {
      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    }
    catch(Exception e) {
      e.printStackTrace();
    }
    new Application1();
  }

  private void jbInit() throws Exception {
  }
}


=================================
package tcpclient;

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

/**
* <p>Title: no</p>
* <p>Description: This a Java builder program</p>
* <p>Copyright: Copyright (c) 2004</p>
* <p>Company: home</p>
* @author syd168
* @version 1.0
*/

public class Frame1 extends JFrame implements Runnable{
  private JPanel contentPane;
  private TextArea textArea1 = new TextArea();
  private Label label1 = new Label();
  private JTextField textField1 = new JTextField();
  private JButton button1 = new JButton();
  private JButton button2 = new JButton();
  private JButton button3 = new JButton();

  Socket socket = null;
  BufferedReader in = null;
  PrintWriter out = null;
  JTextField server = new JTextField();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JTextField port = new JTextField();
  JScrollPane jScrollPane1 = new JScrollPane();
  JList jList1 = new JList();
  JLabel jLabel3 = new JLabel();
  DefaultListModel l1=new DefaultListModel();
  //Construct the frame
  public Frame1() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    server.setText(InetAddress.getLocalHost().getHostAddress());
    server.setBounds(new Rectangle(69, 252, 74, 22));
    //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    textArea1.setBackground(Color.orange);
    textArea1.setEditable(false);
    textArea1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 14));
    textArea1.setBounds(new Rectangle(11, 9, 383, 199));
    contentPane.setLayout(null);
    this.setSize(new Dimension(506, 314));
    this.setTitle("客户端");
    label1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12));
    label1.setText("消息：");
    label1.setBounds(new Rectangle(26, 213, 32, 27));
    button1.setActionCommand("发送");
    button1.setBounds(new Rectangle(334, 216, 62, 23));
    button1.setEnabled(false);
    button1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12));
    button1.setText("发送");
    button1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        button1_actionPerformed(e);
      }
    });
    button2.setBounds(new Rectangle(266, 251, 58, 24));
    button2.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12));
    button2.setText("连接");
    button2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        button2_actionPerformed(e);
      }
    });
    button3.setBounds(new Rectangle(333, 251, 62, 22));
    button3.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12));
    button3.setText("退出");
    button3.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        button3_actionPerformed(e);
      }
    });
    jLabel1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12));
    jLabel1.setToolTipText("");
    jLabel1.setHorizontalAlignment(SwingConstants.RIGHT);
    jLabel1.setHorizontalTextPosition(SwingConstants.RIGHT);
    jLabel1.setText("服务器:");
    jLabel1.setBounds(new Rectangle(11, 254, 58, 20));
    jLabel2.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12));
    jLabel2.setToolTipText("");
    jLabel2.setHorizontalAlignment(SwingConstants.RIGHT);
    jLabel2.setHorizontalTextPosition(SwingConstants.RIGHT);
    jLabel2.setText("端口:");
    jLabel2.setBounds(new Rectangle(172, 253, 27, 18));
    port.setText("8000");
    port.setBounds(new Rectangle(202, 251, 40, 22));
    jList1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 12));
    jLabel3.setBounds(new Rectangle(406, 254, 91, 21));
    textField1.setBounds(new Rectangle(58, 215, 271, 24));
    jScrollPane1.setBounds(new Rectangle(404, 14, 94, 226));
    jScrollPane1.getViewport().add(jList1);
    contentPane.add(button3, null);
    contentPane.add(button2, null);
    contentPane.add(button1, null);
    contentPane.add(server, null);
    contentPane.add(jLabel1, null);
    contentPane.add(textField1, null);
    contentPane.add(textArea1, null);
    contentPane.add(jLabel2, null);
    contentPane.add(port, null);
    contentPane.add(label1, null);
    contentPane.add(jScrollPane1, null);
    contentPane.add(jLabel3, null);
    jList1.setModel(l1);
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      //添加代码
     try{
     out.println("大家尽情聊,再见!");
     out.flush();
     }catch(Exception ex){}
     finally{
       System.exit(0);
     }
    }
  }

  void button1_actionPerformed(ActionEvent e) {
    out.println(jLabel3.getText()+"对"+l1.getElementAt(jList1.getSelectedIndex())+"说:"+textField1.getText());
    out.flush();
    //textArea1.append("你对:"+l1.getElementAt(jList1.getSelectedIndex())+"说:"+textField1.getText()+"\n");
    textField1.setText("");
  }

  void button3_actionPerformed(ActionEvent e) {
    try{
    out.println("大家尽情聊,再见!");
    out.flush();
    }catch(Exception e2){}
    finally{
      System.exit(0);
    }
  }

  void button2_actionPerformed(ActionEvent e) {
    Thread thread = new Thread(this);
    thread.start();
  }
  public void run() {
      try{
        //在5438端口上打开到syd168的连接,说明它其实就是你的本地计算机名
        //如果你的计算机的名称不是“syd168”，请修改为你的计算机名称
        socket = new Socket(server.getText(),Integer.parseInt(port.getText()));
        in = new BufferedReader(new  InputStreamReader(socket.getInputStream()));//接受输入的对象
        out = new PrintWriter(socket.getOutputStream());//通过该对象输出信息
        button1.setEnabled(true);//当连接成功的时候使它有效

        receiver r = new receiver();//创建接收线程
        Thread t = new Thread(r);
        t.start();
        textArea1.append("欢迎加入Java火星人聊天室(by syd168)...\n");
        button2.setEnabled(false);
      }catch(Exception e){
        textArea1.append("连接失败!请确认服务器地址并且服务器已启动(syd168)."+"\n");
      }
    }

    private class receiver implements Runnable{
        public void run(){
          String s1 = null;
          try{
            s1 = in.readLine();
            while(s1!= "服务器断开!"){
              if(s1.equals("Clear users!")){
                l1.removeAllElements();
                l1.addElement("大家");
                jList1.setSelectedIndex(0);
              }
              else if(jLabel3.getText().equals("")){ jLabel3.setText(s1);}
              else if(s1.length()<8&&!jLabel3.getText().equals(s1)){ l1.addElement(s1);}
              else if(!jLabel3.getText().equals(s1)){textArea1.append(s1+"\n");}
              s1 = in.readLine();
            }
            in.close();
            out.close();
            socket.close();
          }catch(Exception e){}
           button1.setEnabled(false); //服务器端已退出，禁止发送消息
        }
      }


}

syd168

有人测试过没？

jaqcy

Post by syd168
有人测试过没？

还要人测试？不是你写的么？
这里有一个完整的聊天室，支持表情的哦，虽然是在windows下编写的，但只要在客户端的某个地方加个try-catch块，就可以在linux下正常运行，而且这个地方很容易找到的，有兴趣的看看吧
http://www.blogcn.com/User4/jaqcy/blog/26529673.html

zt2620zt

炫耀呀？这种东西就不要拿出来了，

syd168

Post by zt2620zt
炫耀呀？这种东西就不要拿出来了，

瞧您说的，哪敢啊？向您学习都来不及呢？有机会多指教指教我啊。
我知道您是高手。有机会能告诉我如何将Oracle的日志文件，数据文件分开存储，并实现自动磁带备份呢？可以用硬盘模拟磁带吗？

piophi

我给学校的聊天室做过一个````

applet的```

bzip2

Java的看来只能在局域网中运行。没多大意义。