?? mainframe.java~2~
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package jlayeredpanedemo;import java.awt.*;import java.awt.event.*;import javax.swing.*;public class MainFrame extends JFrame { private JPanel contentPane; private BorderLayout borderLayout1 = new BorderLayout(); private JLayeredPane layeredPane = new JLayeredPane(); private JLabel label; //Construct the frame public MainFrame() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } //Component initialization private void jbInit() throws Exception { //setIconImage(Toolkit.getDefaultToolkit().createImage(MainFrame.class.getResource("[Your Icon]"))); contentPane = (JPanel) this.getContentPane(); contentPane.setLayout(borderLayout1); contentPane.add(this.layeredPane,BorderLayout.CENTER); Color[] color ={Color.red,Color.blue,Color.green,Color.yellow,Color.orange}; for (int i=0;i<5;i++){ label = createJLabel(color[i],"Layer "+String.valueOf(i),i); layeredPane.add(label); } this.setSize(new Dimension(372, 217)); this.setTitle("JLayeredPaneDemo"); } //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); } } public JLabel createJLabel(Color color,String s,int i){ JLabel label = new JLabel(s); // label.set label.setBackground(color); label.setSize(30,30); label.setLocation(20+5*i,20+5*i); return label; }}?? 快捷鍵說(shuō)明
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