Java code at 2016-10-18 

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import java.util.Scanner;

/**
 * 猜拳游戏
 * <p>
 * 1.根据运行结果分析业务
 * <p>
 * 2.通过控制台进入界面菜单
 * <p>
 * 3.可选择对战角色
 * <p>
 * 4.使用随机数完成人机猜拳效果
 * <p>
 * 5.统计每次猜拳的分数,游戏结束,显示最终结果
 */

public class CaiQuan
{
	final static int WIN = 1;
	final static int FAIL = 2;
	final static int TIE = 0;
	/**
	 * player 记录用户输入数字
	 * <p>
	 * computer 记录随机数
	 * */
	int player, computer;
	/**
	 * 统计对战次数
	 * */
	int count = 0;
	/**
	 * playerscore 记录用户分数
	 * <p>
	 * computerscore 记录电脑分数
	 * */
	int playerscore = 0;
	int computerscore = 0;
	/**
	 * username 记录用户名
	 * <p>
	 * cname 记录电脑名
	 * */
	String cname, username;
	/**
	 * 电脑名数组
	 * */
	String[] computers =
	{ "刘备", "孙权", "曹操" };
	/**
	 * 游戏三种情况
	 * */
	String[] words =
	{ "剪刀", "石头", "布" };
	/**
	 * 结果数组
	 * */
	String[] info =
	{ "和局,真衰!等着瞧吧!", "恭喜,你赢了!", "哈哈!,你输了!" };

	/**
	 * 
	 * 用来打印最终结果
	 * */
	void printResult()
	{
		System.out.println("-----------------------");
		System.out.println("对战次数:" + count);
		System.out.println("姓名\t得分");
		System.out.println(username + "\t" + playerscore);
		System.out.println(cname + "\t" + computerscore);
		if (playerscore > computerscore)
			System.out.println("结果: 恭喜恭喜,你的分数更高!");
		else if (playerscore < computerscore)
			System.out.println("结果: 你的分数更低");
		else
			System.out.println("结果:难分难解,平局!");
	}

	/**
	 * 用来判断胜负
	 * 
	 * */
	int getResult()
	{
		if ((player + 1) % 3 == computer)
		{
			computerscore++;
			return FAIL;
		} else if (player == computer)
		{
			return TIE;
		} else
		{
			playerscore++;
			return WIN;
		}
	}

	/**
	 * 
	 * 用来初始化菜单
	 * 
	 * */
	public void initGame()
	{
		System.out.println();
		System.out.println("******************欢迎进入游戏世界*********************");
		System.out.println("\t\t***********");
		System.out.println("\t\t**猜拳开始**");
		System.out.println("\t\t***********");
		System.out.println("出拳规则:1.剪刀2.石头3.布");

	}

	/**
	 * 
	 * 开始一个游戏
	 * */
	public void startGame()
	{
		initGame();
		Scanner scanner = new Scanner(System.in);
		System.out.println("请选择对方角色:(1:刘备2.孙权3.曹操)");
		cname = computers[scanner.nextInt() - 1];
		System.out.println("请输入你的姓名:");
		username = scanner.next();
		System.out.println(username + " VS " + cname + " 对战");
		System.out.println("要开始吗?(y/n)");
		if ("n".equals(scanner.next()))
		{
			printResult();
			System.exit(0);
		}

		while (true)
		{
			count++;
			System.out.println("请出拳:1.剪刀2.石头3.布");
			player = scanner.nextInt() - 1;
			computer = (int) (Math.random() * 3);
			System.out.println("你出拳:" + words[player]);
			System.out.println(cname + "出拳:" + words[computer]);
			System.out.println("结果:" + info[getResult()]);
			System.out.println("\n是否进入下一轮:(y/n)");
			if ("n".equals(scanner.next()))
			{
				printResult();
				System.exit(0);
			}
		}
	}

	public static void main(String[] args)
	{

		CaiQuan game = new CaiQuan();
		game.startGame();

	}

}