第十三章人机猜拳

 

import java.util.Scanner;

public class test{
    Scanner input = new Scanner(System.in);
    String cmpname;// 电脑名字
    String myname;// 玩家名字
    int myquan;// 我的出拳
    int cmpquan;// 电脑出拳
    int myfen = 0;// 我胜利的次数
    int cmpfen = 0;// 电脑胜利的次数
    int count = 0;// 对战次数

    public void yi() {
        boolean con = false;
        do {
            con = false;
            System.out.println("**********欢迎进入游戏世界***********");
            System.out.println("\n*************\n");
            System.out.println("***    猜拳   开始    ***\n");
            System.out.println("\n*************\n");
            System.out.println("出拳规则1.拳头 2.剪刀 3.布");
            System.out.println("请选择你想和谁对战:(1.孙权 2.刘备 3.曹操)");
            int i = input.nextInt();
            System.out.println("请输入你的名字:");
            myname = input.next();
            switch (i) {
            case 1:
                cmpname = "孙权";
                System.out.println(myname + "VS" + cmpname + "对战");
                break;
            case 2:
                cmpname = "刘备";
                System.out.println(myname + "VS" + cmpname + "对战");
                break;
            case 3:
                cmpname = "曹操";
                System.out.println(myname + "VS" + cmpname + "对战");
                break;
            default:
                System.out.println("输入错误,请重新输入:");
                con = true;
            }
        } while (con);
        //便于理解比较和结果还是先设方法
        System.out.println("要开始吗(y/n)");
        String kaishi = input.next();
        while (kaishi.equals("y")) {
            myquan();
            cmpquan();
            shengfu();
            System.out.println("要继续吗?(y/n)");
            kaishi = input.next();
        }
        jieguo();
    }

    public int myquan() {
        boolean con = false;
        do {
            System.out.println("请出拳:(1.拳头 2.剪刀 3.布)");
            myquan = input.nextInt();
            switch (myquan) {
            case 1:
                System.out.println("你出拳:拳头");
                break;
            case 2:
                System.out.println("你出拳:剪刀");
                break;
            case 3:
                System.out.println("你出拳:布");
                break;
            default:
                System.out.println("输入选择,请重新输入:");
                con = true;
            }
        } while (con);
        return myquan;
    }

    public int cmpquan() {
        cmpquan = (int) (Math.random() * 3 + 1);
        switch (cmpquan) {
        case 1:
            System.out.println("电脑出拳:拳头");
            break;
        case 2:
            System.out.println("电脑出拳:剪刀");
            break;
        case 3:
            System.out.println("电脑出拳:布");
            break;
        }
        return cmpquan;
    }

    public void shengfu() {
        if (myquan == 1 && cmpquan == 1 || myquan == 2 && cmpquan == 2
                || myquan == 3 && cmpquan == 3) {
            System.out.println("和局");
        } else if (myquan == 1 && cmpquan == 2 || myquan == 2 && cmpquan == 3
                || myquan == 3 && cmpquan == 1) {
            System.out.println("胜利一场");
            myfen++;
        } else {
            System.out.println("失败一场");
            cmpfen++;
        }
        count++;
    }

    public void jieguo() {
        System.out.println(myname + "VS" + cmpname);
        System.out.println("对战次数:" + count);
        System.out.println("姓名\t得分");
        System.out.println(myname + "\t" + myfen);
        System.out.println(cmpname + "\t" + cmpfen);
        if (myfen > cmpfen) {
            System.out.println("胜利!");
        } else if (myfen < cmpfen) {
            System.out.println("败北!");
        } else {
            System.out.println("平局!");
        }
    }
}