frame1.java~5~

JBuilder9 精髓 source code1.rar

package getip;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.net.*;

/**
 * <p>Title: no</p>
 * <p>Description: This a Java builder program</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: home</p>
 * @author liujun
 * @version 1.0
 */

public class Frame1 extends JFrame {
  private JPanel contentPane;
  private JLabel jLabel1 = new JLabel();
  private JTextField jTextField1 = new JTextField();
  private JButton jButton1 = new JButton();
  private XYLayout xYLayout1 = new XYLayout();
  private JLabel jLabel2 = new JLabel();
  InetAddress myIPaddress=null;
  InetAddress myServer=null;

  //Construct the frame
  public Frame1() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    jLabel1.setText("jLabel1");
    contentPane.setLayout(xYLayout1);
    this.setSize(new Dimension(333, 214));
    this.setTitle("Frame Title");
    jTextField1.setText("cs.hust.edu.cn");
    jButton1.setText("jButton1");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    jLabel2.setText("jLabel2");
    contentPane.add(jLabel1,      new XYConstraints(42, 73, 263, 25));
    contentPane.add(jButton1, new XYConstraints(44, 18, 235, -1));
    contentPane.add(jTextField1, new XYConstraints(48, 152, 241, -1));
    contentPane.add(jLabel2,  new XYConstraints(42, 107, 269, 23));
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
//取得LOCALHOST的IP地址
   try {
       myIPaddress=InetAddress.getLocalHost();
   }
   catch (UnknownHostException e1) {
  System.out.println("get Local Host Exception:"+e1);
   }
//取得jTextField所指定的服务器IP地址
    try {
      myServer=InetAddress.getByName(jTextField1.getText());
    }
    catch (UnknownHostException e2) {
      System.out.println("get remote Host Exception:"+e2);
}
//输出得到IP地址结果
  jLabel1.setText("您的本地主机IP地址为:"+ myIPaddress.getHostAddress());
  jLabel2.setText("您输入的服务器的IP地址:"+ myServer.getHostAddress());


  }
}