jdesktopdemo.java

Swing入门必看 Swing Demo

package components;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

public class JDesktopDemo extends JFrame {
	

	private static final long serialVersionUID = 1L;
	private JDesktopPane desktop;
	public JDesktopDemo() {
		JMenuBar menuBar = new JMenuBar();
		JMenu fileMenu = new JMenu("File");
		JMenuItem newItem = new JMenuItem("New");
		newItem.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				JInternalFrame internal = new JInternalFrame("internal",true,true,true,true);
				desktop.add(internal);
				Container container = internal.getContentPane();
				container.setLayout(new FlowLayout());
				container.add(new TextArea());
				container.add(new TextField());
				internal.pack();
				internal.setVisible(true);
			}
		});
		fileMenu.add(newItem);
		menuBar.add(fileMenu);
		desktop = new JDesktopPane();
		Container container = getContentPane();
		container.add(desktop);
		setJMenuBar(menuBar);
		setSize(800,600);
		setVisible(true);
	}


	public static void main(String[] args) {
		JFrame.setDefaultLookAndFeelDecorated(true);
		JDesktopDemo application = new JDesktopDemo();
		application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

	}

}