?? frame1.java~15~
字號:
package ex08_03;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(54, 32, 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) {Icon pic=new ImageIcon("C:\\jbsample\\twbts.gif");jLabel1.setSize(pic.getIconWidth(),pic.getIconHeight());jLabel1.setIcon(pic); } void this_keyReleased(KeyEvent e) {switch (e.getKeyChar()){case KeyEvent.VK_F1:jLabel1.setLocation(jLabel1.getX()+jLabel1.getHeight(),jLabel1.getY());break;} } void this_keyPressed(KeyEvent e) {switch (e.getKeyCode()){case KeyEvent.VK_F1:jLabel1.setLocation(jLabel1.getX()+jLabel1.getHeight(),jLabel1.getY());break;} }}?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -