mainframe.java~3~

用java实现的分层框体

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(50,50);
    label.setLocation(20+20*i,20+20*i);

    return label;
  }
}