[java]窗口中的菜单项

代码：

caidan.java

public class caidan
{
	public static void main(String args[]){
		WindowMenu win = new WindowMenu("带菜单的窗口",20,30,200,190);
	}
}

WindowMenu.java

import javax.swing.*;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import static javax.swing.JFrame.*;
public class WindowMenu extends JFrame
{
	JMenuBar menubar;
	JMenu menu,subMenu;
	JMenuItem item1,item2;
	public WindowMenu(){}
	public WindowMenu(String s,int x,int y,int w,int h){
		init(s);
		setLocation(x,y);
		setSize(w,h);
		setVisible(true);
		setDefaultCloseOperation(DISPOSE_ON_CLOSE);

}
void init(String s){
	setTitle(s);
	menubar = new JMenuBar();
	menu = new JMenu("菜单");
	subMenu= new JMenu("软件项目");
	item1 = new JMenuItem("java话题",new ImageIcon("1.bmp"));
	item2 = new JMenuItem("动画话题",new ImageIcon("2.bmp"));
	item1.setAccelerator(KeyStroke.getKeyStroke('A'));
	item2.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,InputEvent.CTRL_MASK));
menu.add(subMenu);
	menu.add(item1);
	menu.addSeparator();
	menu.add(item2);
	
		subMenu.add(new JMenuItem("汽车销售系统",new ImageIcon("33.jpg")));
	subMenu.add(new JMenuItem("农场信息系统",new ImageIcon("4.bmp")));

	menubar.add(menu);
	setJMenuBar(menubar);
}
}

ps:原图有点大了 

运行截图：