rpspanel.java

java 写的石头剪子布游戏 java 写的石头剪子布游戏

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

public class RPSPanel extends JPanel
{
	final static int STONE=0,SCISSOR=1,PAPER=2;
	final static int WIN=0,LOSE=1,DRAW=2;

	private JRadioButton stone,scissor,paper;
	private JButton start,getResult;
	private int user,computer,draw,
			userSelect,computerSelect,
			result;

 
	public RPSPanel()
	{
		JPanel temp;
		UserListener listener;

		setLayout(new BoxLayout(this,BoxLayout.Y_AXIS));

		user=0;
		computer=0;
		draw=0;
		userSelect=STONE;

		stone=new JRadioButton("Stone",true);
		scissor=new JRadioButton("Scissor");
		paper=new JRadioButton("Paper");

		listener=new UserListener();
		stone.addActionListener(listener);
		scissor.addActionListener(listener);
		paper.addActionListener(listener);

		ButtonGroup group=new ButtonGroup();
		group.add(stone);
		group.add(scissor);
		group.add(paper);

		temp=new JPanel();
		temp.setLayout(new BoxLayout(temp,BoxLayout.X_AXIS));
		temp.add(stone);
		temp.add(scissor);
		temp.add(paper);

		add(temp);

		start=new JButton("Start!");
		start.addActionListener(new GameListener());

		getResult=new JButton("get result");
		getResult.addActionListener(new resultListener());

		temp=new JPanel();
		temp.setLayout(new BoxLayout(temp,BoxLayout.X_AXIS));
		temp.add(start);
		temp.add(getResult);

		add(temp);
	}

	private class GameListener implements ActionListener
	{
		public void actionPerformed(ActionEvent event)
		{
			int computerSelect=(int)(Math.random()*3);
			switch( userSelect )
			{
				case STONE:
					switch( computerSelect )
					{
						case STONE:	++draw;result=draw;break;
						case SCISSOR:	++user;result=WIN;break;
						case PAPER:	++computer;result=LOSE;break;
					}
					break;
				case SCISSOR:
					switch( computerSelect )
					{
						case STONE:	++computer;result=LOSE;break;
						case SCISSOR:	++draw;result=draw;break;
						case PAPER:	++user;result=WIN;break;
					}
					break;
				case PAPER:
					switch( computerSelect )
					{
						case STONE:	++user;result=WIN;break;
						case SCISSOR:	++computer;result=LOSE;break;
						case PAPER:	++draw;result=draw;break;
					}
					break;
			}
			switch( result )
			{
				case WIN:
					JOptionPane.showMessageDialog(null,"You Win!");
					break;
				case LOSE:
					JOptionPane.showMessageDialog(null,"You Lose!");
					break;
				case DRAW:
					JOptionPane.showMessageDialog(null,"It's a draw");
					break;
			}
		}
	}
	private class UserListener implements ActionListener
	{
		public void actionPerformed(ActionEvent event)
		{
			Object source=event.getSource();
			if( source==stone )
			{
				userSelect=STONE;
			}
			else if( source==scissor )
			{
				userSelect=SCISSOR;
			}
			else
			{
				userSelect=PAPER;
			}
		}
	}
	private class resultListener implements ActionListener
	{
		public void actionPerformed(ActionEvent event)
		{
			String buf="User:\t"+user
					+"\nComputer:\t"+computer
					+"\nDraw:\t"+draw;

			JOptionPane.showMessageDialog(null,buf);
		}
	}
}