6. 39. 8. Desktop初探 Help Applications

 

 

import java.awt.Desktop;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.URI;

import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;


public class DesktopDemo {
	static Desktop desktop;
	

	public static void main(String[] args) {
		if(Desktop.isDesktopSupported()){
			desktop = Desktop.getDesktop();
		}else{
			System.out.print("This OS isnot supported");
			System.exit(1);
		}
		
		JMenuItem openItem = new JMenuItem("打开");
		JMenuItem editItem = new JMenuItem("编辑");
		JMenuItem printItem = new JMenuItem("打印");
		JMenuItem browseToItem = new JMenuItem("Goto blog.csdn.com/youyigong");
		JMenuItem mailToItem = new JMenuItem("Emil to me");
		JMenu fileMenu = new JMenu("文件");
		JMenu mailMenu = new JMenu("邮件");
		JMenu browseMenu = new JMenu("Browse");	
		
		openItem.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e) {
				JFileChooser chooser = new JFileChooser();
				if(chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION){//approve:批准认可
					try{
						desktop.open(chooser.getSelectedFile().getAbsoluteFile());
					}catch(Exception ex){
						ex.printStackTrace();
					}
				}
			}		
		});
		fileMenu.add(openItem);
		
		editItem.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e) {
				JFileChooser chooser = new JFileChooser();
				if(chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION){//approve:批准认可
					try{
						desktop.edit(chooser.getSelectedFile().getAbsoluteFile());
					}catch(Exception ex){
						ex.printStackTrace();
					}
				}
			}		
		});
		fileMenu.add(editItem);
		
		printItem.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e) {
				JFileChooser chooser = new JFileChooser();
				if(chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION){//approve:批准认可
					try{
						desktop.print(chooser.getSelectedFile().getAbsoluteFile());
					}catch(Exception ex){
						ex.printStackTrace();
					}
				}
			}		
		});
		fileMenu.add(printItem);
		
		browseToItem.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e) {
				try{
					URI browseURI = new URI("http://blog.csdn.com/youyigong");
					desktop.browse(browseURI);
				}catch(Exception ex){
					ex.printStackTrace();
				}
			}
		});
		browseMenu.add(browseToItem);
		
		mailToItem.addActionListener(new ActionListener() {
		      public void actionPerformed(ActionEvent e) {
		        try {
		          URI mailURI = new URI("mailto:[email protected]");
		          desktop.mail(mailURI);
		        } catch (Exception ex) {
		          System.out.println(ex.getMessage());
		        }
		      }
		    });
		mailMenu.add(mailToItem);
		
		
		JMenuBar jMenuBar = new JMenuBar();
		jMenuBar.add(fileMenu);
		jMenuBar.add(mailMenu);
		jMenuBar.add(browseMenu);
		
		JFrame frame = new JFrame();
		frame.setTitle("Desktop Helper Applications");
		frame.setJMenuBar(jMenuBar);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(300,100);
		frame.setVisible(true);
	}

}