设计模式实验三(4)

6. 类图：

实现代码： JInternalFrame1.java package test; import javax.swing.JInternalFrame; public class JInternalFrame1 extends JInternalFrame{ public static JInternalFrame1 getJInternalFrame1(String name, boolean b1, boolean b2, private static JInternalFrame1 JIF1 = null; private JInternalFrame1(String name, boolean b1, boolean b2, boolean b3, boolean b4){ } super(name, b1, b2, b3, b4); boolean b3, boolean b4){

} if(JIF1 == null) JIF1 = new JInternalFrame1(name, b1, b2, b3, b4); return JIF1; 13

} JInternalFrameDemo.java package test; import java.awt.BorderLayout; import java.awt.Container; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JButton; import javax.swing.JDesktopPane; import javax.swing.JFrame; import javax.swing.JInternalFrame; import javax.swing.JTextArea; public class JInternalFrameDemo extends JFrame implements ActionListener { private static JInternalFrame1 internalFrame; Container contentPane = this.getContentPane(); public JInternalFrameDemo(){ super(\主窗体\ contentPane.setLayout(new BorderLayout()); JButton button = new JButton(\创建一个子窗体\button.addActionListener(this); contentPane.add(button, BorderLayout.SOUTH); this.setSize(new Dimension(300, 300)); this.setVisible(true); this.addWindowListener(new WindowAdapter() { @Override 14

}

} }); public void windowClosing(WindowEvent e) { } System.exit(0); public void actionPerformed(ActionEvent e) { } internalFrame = JInternalFrame1.getJInternalFrame1(\子窗体\ , true, true, true, true); internalFrame.setSize(new Dimension(200, 200)); internalFrame.setVisible(true); JDesktopPane desktopPane = new JDesktopPane(); contentPane.add(desktopPane); desktopPane.add(internalFrame); try { internalFrame.setSelected(true); } catch (java.beans.PropertyVetoException ex) { } System.out.println(\ public static void main(String args[]){ } new JInternalFrameDemo(); 15