menulist.java

一个古老的游戏

import javax.microedition.lcdui.*;
//主菜单
public class MenuList extends List implements CommandListener {
	Command cmdEXIT;
	Command cmdOK;
	public MenuList() {
		super("【剪刀、石头、布】", List.IMPLICIT);
		append("=====开始游戏=====", null);
		append("=====帮助说明=====", null);
		cmdEXIT = new Command("退出", Command.EXIT, 1);
		cmdOK = new Command("确定", Command.OK, 1);
		addCommand(cmdEXIT);
		addCommand(cmdOK);
		setCommandListener(this);
	}
	public void commandAction(Command c, Displayable d) {
		if (c == cmdEXIT) {
			MainMidlet.quitApp();
		}
		if (c.equals(cmdOK)){
			int index = this.getSelectedIndex();
			switch(index){
			case 0:  //新游戏
				MainMidlet.display.setCurrent(new PlayerName());
				break;
			case 1: //帮助说明
				MainMidlet.display.setCurrent(new HelpForm());
				break;
			}
		}
	}
}