frame1.java

是用java开发的一些程序原代码 是用java开发的一些程序原代码

package ex08_06;

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

public class Frame1 extends JFrame {
  JPanel contentPane;
  JLabel jLabel1 = new JLabel();

  /**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");
    jLabel1.setBounds(new Rectangle(61, 25, 41, 19));
    contentPane.setLayout(null);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Frame Title");
    this.addKeyListener(new java.awt.event.KeyAdapter() {
      public void keyReleased(KeyEvent e) {
        this_keyReleased(e);
      }
      public void keyPressed(KeyEvent e) {
        this_keyPressed(e);
      }
    });
    this.addWindowListener(new java.awt.event.WindowAdapter() {
      public void windowOpened(WindowEvent e) {
        this_windowOpened(e);
      }
    });
    contentPane.add(jLabel1, null);
  }
  /**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_windowOpened(WindowEvent e) {
  //建立图像对象
Icon pic=new ImageIcon("C:\\jbsample\\twbts.gif");
//设置jLabel1组件的大小
jLabel1.setSize(pic.getIconWidth(),pic.getIconHeight());
//将图片加载到jLabel1组件中
jLabel1.setIcon(pic);
  }

  void this_keyReleased(KeyEvent e) {
switch (e.getKeyCode())
{
//向上移动
case KeyEvent.VK_F1:
jLabel1.setLocation(jLabel1.getX(),jLabel1.getY()-jLabel1.getHeight());
break;
//向下移动
case KeyEvent.VK_F2:
jLabel1.setLocation(jLabel1.getX(),jLabel1.getY()+jLabel1.getHeight());
break;
//向左移动
case KeyEvent.VK_F3:
jLabel1.setLocation(jLabel1.getX()-jLabel1.getWidth(),jLabel1.getY());
break;
//向右移动
case KeyEvent.VK_F4:
jLabel1.setLocation(jLabel1.getX()+jLabel1.getWidth(),jLabel1.getY());
break;
}
  }

  void this_keyPressed(KeyEvent e) {
if (e.isShiftDown() && (e.getKeyCode()==KeyEvent.VK_ESCAPE))
//结束程序
System.exit(0);
  }
}