迷你项目练习题2猜拳游戏

系统管理员 2021-09-25 06:20 346阅读 0赞

### 文章目录 ###

*  题目
 *  第一种写法(面向对象)
 *   *  题目分析
     *  代码展示
     *   *  Player类
         *  Computer类
         *  Judge类
         *  Test类
         *  程序运行结果
 *  第二种写法(面向过程)
 *   *  题目分析
     *  代码展示
     *   *  Player类
         *  Computer类
         *  Test类
     *  程序运行结果

# 题目 #

设计一个猜拳游戏，完成人机猜拳互动游戏的开发。  
功能：

1.  选取对战角色
2.  猜拳
3.  记录分数  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2h5cGVydGV4dDEyMw_size_16_color_FFFFFF_t_70_pic_center]

# 第一种写法(面向对象) #

## 题目分析 ##

*  共需要6个类
 *  自定义类:Player玩家类 Computer电脑类 Judge裁判类 Test测试类
 *  导入类:Scanner类 Random类

## 代码展示 ##

### Player类 ###

public class Player { 
        private  int score;
        private String name;
        private String[] quan = { " ","剪刀","石头","布"};
        //出拳的方法
        public String chuQuan(int index){ 
         return  quan[index];
        }
        //name和score的Getter and Setter
        public String getName() { 
            return name;
        }
    
        public void setName(String name) { 
            this.name = name;
        }
    
        public int getScore() { 
            return score;
        }
    
        public void setScore(int score) { 
            this.score = score;
        }
    
        public String[] getQuan() { 
            return quan;
        }
    
        public void setQuan(String[] quan) { 
            this.quan = quan;
        }
    }

### Computer类 ###

import java.util.Random;
    public class Computer { 
        //电脑名字
        private String name;
        //电脑分数
        private  int score;
        //角色数组
        private String[] roles = { " ","刘备","孙权","曹操"};
        //出拳数组
        private String[] quan = { " ","剪刀","石头","布"};
        Random r = new Random();
        //出拳的方法
        public String chuQuan(){ 
            return quan[r.nextInt(3)+1];
        }
        //获取角色的方法
        public String getRole(int index){ 
            return roles[index];
        }
        //name,score,roles的Getter and Setter
        public int getScore() { 
            return score;
        }
    
        public void setScore(int score) { 
            this.score = score;
        }
    
        public String[] getRoles() { 
            return roles;
        }
    
        public void setRoles(String[] roles) { 
            this.roles = roles;
        }
    
        public String[] getQuan() { 
            return quan;
        }
    
        public void setQuan(String[] quan) { 
            this.quan = quan;
        }
    
        public String getName() { 
            return name;
        }
    
        public void setName(String name) { 
            this.name = name;
        }
    }

### Judge类 ###

public class Judge { 
        //结果数组
        private String[] result = { "^_^平手,继续努力","^_^恭喜你,你赢了!","^_^你输了,真笨!"};
        //判断的方法
        public int judge(String player,String computer) { 
            if (computer.equals("剪刀")) { 
                switch (player) { 
                    case "剪刀":
                        return 0;
                    case "石头":
                        return  1;
                    case "布":
                        return  2;
                    default:
                        System.out.println("输入错误");
                }
            } if(computer.equals("石头")){ 
                switch (player) { 
                    case "剪刀":
                        return 2;
                    case "石头":
                        return  0;
                    case "布":
                        return  1;
                    default:
                        System.out.println("输入错误");
                }
            }if (computer.equals("布")){ 
                switch (player) { 
                    case "剪刀":
                        return 1;
                    case "石头":
                        return 2;
                    case "布":
                        return 0;
                    default:
                        System.out.println("输入错误");
                }
            }
             return  0 ;
        }
        //判断得到结果的方法
        public String getResult(int index){ 
            return result[index];
        }
        //得分的方法
        public void getScore(Player player,Computer computer,int index){ 
            if(index == 1) { 
                player.setScore(player.getScore()+1);
            }
            if(index == 2){ 
                computer.setScore(computer.getScore()+1);
            }
        }
      //谁赢的方法
        public void victory(Player player,Computer computer){ 
            if(player.getScore() == computer.getScore()){ 
                System.out.println(result[0]);
            }
            if(player.getScore() > computer.getScore()){ 
                System.out.println(result[1]);
            }
            if(player.getScore() < computer.getScore()){ 
                System.out.println(result[2]);
            }
        }
    }

### Test类 ###

import java.util.Scanner;
    public class Test { 
        public static void main(String[] args) { 
            //创建电脑对象
            Computer computer = new Computer();
            //创建玩家对象
            Player player = new Player();
            //创建裁判对象
            Judge judge = new Judge();
            //对战次数初始化
            int times = 0;
            //调用Scanner类
            Scanner sc = new Scanner(System.in);
            System.out.println("*******************");
            System.out.println("**猜拳游戏 马上开始**");
            System.out.println("*******************");
            System.out.println("出拳规则:1.剪刀 2.石头 3.布");
            System.out.print("请选择对方角色(1:刘备 2:孙权 3:曹操)");
            //选择电脑的角色,输入1 2 或3 如果输入错误 可以重新输入
            while (true) { 
                int index1 = sc.nextInt();
                if (index1<4 && index1>0) { 
                    computer.setName(computer.getRole(index1));
                    break;
                } else { 
                    System.out.println("输入的数字不正确,请重试");
                }
            }
            //输入自己的姓名
            System.out.print("请输入你的姓名");
            player.setName(sc.next());
            System.out.println(player.getName() + " vs " + computer.getName() + "对战开始");
            System.out.print("要开始吗？输入y/n");
            while (true) { 
                String gameStart = sc.next();
                if (gameStart.equals("y") || gameStart.equals("Y")) { 
                    times ++;
                    System.out.println("对战次数" + times);
                    System.out.println("请出拳:1.剪刀 2.石头 3.布");
                    int index2 = sc.nextInt();
                    System.out.println("你出:"+player.chuQuan(index2));
                    String computerQuan = computer.chuQuan();
                    System.out.println(computer.getName()+"出"+computerQuan);
                    //判断结果的方法
                    int judge1 = judge.judge(player.chuQuan(index2), computerQuan);
                    //得到结果的方法
                    System.out.println(judge.getResult(judge1));
                    //得分的方法
                    judge.getScore(player,computer,judge1);
                    //显示姓名和得分
                    System.out.println("姓名 得分");
                    System.out.println(player.getName()+" " +player.getScore());
                    System.out.println(computer.getName()+" "+computer.getScore());
                    System.out.println("是否开始下一轮(y/n)?");
                }else if(gameStart.equals("n")  || gameStart.equals("N")){ 
                    break;
            }else { 
                    System.out.println("输入错误,请重试");
                }
            }
            if(times == 0){ 
                System.out.println("连挑战我的勇气都没有吗？");
            }else { 
                //根据总分，判断谁胜利
            judge.victory(player,computer);}
            System.out.println("游戏结束");
        }
    }

### 程序运行结果 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2h5cGVydGV4dDEyMw_size_16_color_FFFFFF_t_70_pic_center 1]

# 第二种写法(面向过程) #

## 题目分析 ##

*  共需要5个类
 *  自定义类:Player玩家类 Computer电脑类 Test测试类
 *  导入类:Scanner类 Random类

## 代码展示 ##

### Player类 ###

public class Player { 
        //玩家名字
        private  String name;
        //玩家得分
        private  int score;
        //无参构造方法
        public Player() { 
        }
        public int getScore() { 
            return score;
        }
    
        public void setScore(int score) { 
            this.score = score;
        }
    
        public Player(String name) { 
            this.name = name;
        }
    
        public String getName() { 
            return name;
        }
    
        public void setName(String name) { 
            this.name = name;
        }
    }

### Computer类 ###

public class Computer { 
        //电脑名字
        private  String name;
        //电脑得分
        private int score;
        public Computer(String name) { 
            this.name = name;
        }
    
        public Computer() { 
    
        }
    
        public int getScore() { 
            return score;
        }
    
        public void setScore(int score) { 
            this.score = score;
        }
    
        public String getName() { 
            return name;
        }
    
        public void setName(String name) { 
            this.name = name;
        }
    }

### Test类 ###

import java.util.Random;
    import java.util.Scanner;
    public class Test { 
        //猜拳游戏
        public static void fingerGuessingGame(int select,int selectOfComputer,Player player,Computer computer){ 
            //包含了玩家和电脑都是1 玩家和电脑都是2 玩家和电脑都是3
           boolean b1 = (select == selectOfComputer);//平手
           boolean b2 = (select ==2 && selectOfComputer ==1);//玩家石头 电脑剪刀
            boolean b3 = (select ==3 && selectOfComputer ==2);//玩家布 电脑石头
            boolean b4 = (select ==1 && selectOfComputer ==3);//玩家剪刀 电脑布
            if(b1){ 
                System.out.println("双方平手");
            }else if(b2 || b3 || b4){ 
                System.out.println("没想到你还挺厉害的");
                player.setScore(player.getScore()+1);
            }else{ 
                System.out.println("你输了,你真笨");
                computer.setScore(computer.getScore()+1);
            }
        }
        public static void main(String[] args) { 
            //对战次数
            int times = 0;
            //创建玩家对象
            Player player = new Player();
            //创建电脑对象
            Computer computer = new Computer();
            //Scanner类
            Scanner sc = new Scanner(System.in);
            //Random类
            Random random = new Random();
            System.out.println("*******************");
            System.out.println("**猜拳游戏 马上开始**");
            System.out.println("*******************");
            System.out.println("出拳规则:1.剪刀 2.石头 3.布");
            System.out.print("请选择对方角色(1:刘备 2:孙权 3:曹操)");
            loop1:while (true) { 
                //获取选择的对方角色数字(1,2或3)
                int computerName = sc.nextInt();
                switch (computerName) { 
                    case 1:
                        computer.setName("刘备");
                        break loop1;
                    case 2:
                        computer.setName("孙权");
                        break loop1;
                    case 3:
                        computer.setName("曹操");
                        break loop1;
                    default:
                        System.out.println("你输入的数字不正确,请重试");
                        break;
                }
            }
            System.out.print("请输入你的姓名");
            player.setName(sc.next());
            System.out.println(player.getName() + " vs "+computer.getName() +"对战开始");
            System.out.print("要开始吗？输入y/n");
            loop2:while(true) { 
                String gameStart = sc.next();
                if(gameStart.equals("y")  || gameStart.equals("Y") ){ 
                    System.out.println("对战次数"+times);
                    System.out.println("请出拳:1.剪刀 2.石头 3.布");
                    int select = sc.nextInt();
                    switch (select){ 
                        case 1:
                            System.out.println("你出剪刀");break;
                        case 2:
                            System.out.println("你出石头");;break;
                        case 3:
                            System.out.println("你出布");break;
                        default:
                            System.out.println("你输入的数字错误,请重试");
                    }
                    //random类的nextInt方法是左开右闭区间
                    int selectOfComputer = random.nextInt(3)+1;
                    switch (selectOfComputer){ 
                        case 1:
                            System.out.println(computer.getName()+"出剪刀");break;
                        case 2:
                            System.out.println(computer.getName()+"出石头");;break;
                        default:
                            System.out.println(computer.getName()+"出布");break;
                    }
                    fingerGuessingGame(select,selectOfComputer,player,computer);
                       times++;
                    System.out.println("姓名 得分");
                    System.out.println(player.getName()+" " +player.getScore());
                    System.out.println(computer.getName()+" "+computer.getScore());
                    System.out.println("是否开始下一轮(y/n)?");
                }else if(gameStart.equals("n")  || gameStart.equals("N")){ 
                    break loop2;
                }
            }
            if(times == 0){ 
                System.out.println("连挑战我的勇气都没有吗？");
            }
            else if(player.getScore() == computer.getScore()) { 
                System.out.println("竟然是平手，看来小瞧你了");
            }else if(player.getScore() < computer.getScore()){ 
                System.out.println("呵呵,下次加油啊");
            }else{ 
                System.out.println("败给你了,我以后不会再放水了");
            }
        }
    }

## 程序运行结果 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2h5cGVydGV4dDEyMw_size_16_color_FFFFFF_t_70_pic_center 2]

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2h5cGVydGV4dDEyMw_size_16_color_FFFFFF_t_70_pic_center 2]: /images/20210923/b9fd187003a6496ca7d13de195e7f6bf.png