?? short.java~21~
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package Short;import java.awt.*;import java.awt.event.*;import javax.swing.ImageIcon;public class Short implements ActionListener{ private Frame f=new Frame("多級菜單示例"); private Menu m1=new Menu("文件"); private Menu m2=new Menu("編輯"); private Menu mhelp=new Menu("幫助"); private MenuBar mb=new MenuBar(); MenuShortcut s11=new MenuShortcut('N'), s12=new MenuShortcut('O'), s13=new MenuShortcut('S'), s21=new MenuShortcut('F'), sh=new MenuShortcut('H'); CheckboxMenuItem mi22=new CheckboxMenuItem("工具"); private MenuItem mi11=new MenuItem("新建",s11); private MenuItem mi12=new MenuItem("打開",s12); private MenuItem mi13=new MenuItem("保存",s13); private MenuItem mi21=new MenuItem("查找",s21); private MenuItem mih=new MenuItem("幫助文件",sh); public Short() { m1.add(mi11); m1.add(mi12); m1.add(mi13); m1.addSeparator(); // 分 隔 符 m1.add(m2); m2.add(mi21); m2.add(mi22); mb.add(m1); mb.setHelpMenu(mhelp); mhelp.add(mih); f.setMenuBar(mb); f.setIconImage(new ImageIcon("image.gif").getImage()); mi11.addActionListener(this); mi12.addActionListener(this); mi13.addActionListener(this); mi21.addActionListener(this); mih.addActionListener(this); f.setSize(200,200); f.addWindowListener(new WindowAdapter(){ public void windowClosing(WindowEvent e){System.exit(0);} }); f.setVisible(true); } public void actionPerformed(ActionEvent e){ MenuItem i=(MenuItem)e.getSource(); System.out.println(i.getLabel()); System.out.println(i.getShortcut()); } public static void main(String[] args) { Short s=new Short(); }}?? 快捷鍵說明
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