chess.java

JAVA编写的中国象棋,供初学者学习使用

// *******************************************************
//
// FILENAME:    	chess.java
// PROJECT:		chineseChess2
// DESCRIPTION:		中国象棋网络版
// DATE:		2003-2-27
// BY:			bo
//
// *******************************************************
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class chess extends MIDlet implements CommandListener
{
	private Display display;
	private chessmain Canvaschess;
  	private Command exitCommand = new Command("退出", Command.EXIT,1);
  	private Command newCommand = new Command("新游戏", Command.OK,2 );
  	private Command peaceCommand =new Command("和局", Command.HELP, 3);
  	private Command failCommand = new Command("认输", Command.BACK, 4);
  	public void commandAction(Command c, Displayable s)
  	{
    		if (c == exitCommand)
    		{	exit();		}
    		if(c==newCommand)
    		{	startApp();	}
    		if(c==peaceCommand)
    		{	startApp();	}
    		if(c==failCommand)
    		{	startApp();	}
  	}
  	public chess()
	{
		display=Display.getDisplay(this);
		Canvaschess=new chessmain(this);
	}
	protected void startApp()
	{
		display.setCurrent(Canvaschess);
		try{
      			Canvaschess.addCommand(exitCommand);
      			Canvaschess.addCommand(newCommand);
      			Canvaschess.addCommand(peaceCommand);
      			Canvaschess.addCommand(failCommand);
      			Canvaschess.setCommandListener(this);
    		}
    		catch(Exception e) {	e.printStackTrace();	}
		Canvaschess.start();
	}
	protected void pauseApp()
        {	}
    	protected void destroyApp(boolean unconditional)
     	{     	}
	public void exit()
	{
		destroyApp(true);
		notifyDestroyed();
	}
}