frame1.java~8~

很好得jbuilder100例源代码

package keyeventii;

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

public class Frame1 extends JFrame {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();
  Label label1 = new Label();

  /**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();
    label1.setAlignment(1);
    label1.setFont(new java.awt.Font("Dialog", 1, 30));
    contentPane.setLayout(borderLayout1);
    this.setResizable(false);
    this.setSize(new Dimension(370, 126));
    this.setTitle("KeyEventII演示程序");
    this.addKeyListener(new java.awt.event.KeyAdapter() {
      public void keyPressed(KeyEvent e) {
        this_keyPressed(e);
      }
    });
    contentPane.add(label1, BorderLayout.CENTER);
  }
  /**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 this_keyPressed(KeyEvent e) {
    String s = null , s1 = null , s2 = null;
    int i,j;
    i = e.getModifiers();
    j = e.getKeyCode();
    s1 = e.getKeyModifiersText(i);
    s2 = e.getKeyText(e.getKeyCode());
  //s = (new Integer(e.getKeyCode())).toString();
    if (j == e.VK_CONTROL || j == e.VK_SHIFT || j == e.VK_ALT || i == 0)
      s = s2;
    else
      s = s1 + " + " + s2;
    label1.setText(s);
  }

}