?? frame1.java
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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) { //建立圖像對(duì)象Icon pic=new ImageIcon("C:\\jbsample\\twbts.gif");//設(shè)置jLabel1組件的大小jLabel1.setSize(pic.getIconWidth(),pic.getIconHeight());//將圖片加載到j(luò)Label1組件中jLabel1.setIcon(pic); } void this_keyReleased(KeyEvent e) {switch (e.getKeyCode()){//向上移動(dòng)case KeyEvent.VK_F1:jLabel1.setLocation(jLabel1.getX(),jLabel1.getY()-jLabel1.getHeight());break;//向下移動(dòng)case KeyEvent.VK_F2:jLabel1.setLocation(jLabel1.getX(),jLabel1.getY()+jLabel1.getHeight());break;//向左移動(dòng)case KeyEvent.VK_F3:jLabel1.setLocation(jLabel1.getX()-jLabel1.getWidth(),jLabel1.getY());break;//向右移動(dòng)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))//結(jié)束程序System.exit(0); }}
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