编辑代码

typdef enum{
    FistTypeJiandao=1,
    FistTypeShitou=2,
    FistTypeBu=3,
}FistType;
#import <Foundation/Foundation.h>
@interface Player : NSObject
{
    @public 
    NSString *_name;
    int _score;
    FistType _selectedType;
}
-(void)showFist;
-(NSString *)fistTypeWithNumber:(int)number;
@end
@implementation Player
-(void)showFist{
    NSLog(@"亲爱的玩家[%@]，请选择你要出的拳头，1见到，2石头，3布",_name);
    int userSelect=0;
    scanf("%d",&userSelect);
    NSString *fistType=[self fistTypeWithNumber:userSelect];
    NSLog(@"玩家[%@]出的拳头是：%@",_name,fistType);
    _selectedType=userSelect;
}
-(NSString *)fistTypeWithNumber:(int)number{
    switch(number){
        case 1:
        return @"剪刀";
        case 2:
        return @"石头";
        case 3:
        return @"布";
    }
    return @"";
}
@end
@interface  Robot:NSObject
{
    @public
    NSString *_name;
    int _score;
    FistType _selectedType;
}
-(void)showFist;
-(NSString *)fistTypeWithNumber:(int)number;
@end
@implementation Robot
-(void)showFist{
    int robotSelect=arc4random_uniform(3)+1;

    NSString *type=[self fistTypeWithNumber:robotSelect];
    NSLog(@"机器人[%@]出的拳头是：%@",_name,type);
    _selectedType=robotSelect;
}
-(NSString *)fistTypeWithNumber:(int)number{
    switch(number){
        case 1:
        return @"剪刀";
        case 2:
        return @"石头";
        case 3:
        return @"布";
    }
    return @"";
}
@end
@interface Judge:NSObject
{
    @public
    NSString *_name;
}
-(void)caiJueWithPlay:(Player *)player andRobot:(Robot *) robot;
@end
@implementation Judge
-(void)caiJueWithPlay:(Player *)player andRobot:(Robot *) robot{
    FistType playerType=player->_selectedType;
    FistType robotType=robot->_selectedType;
    if(playerType-robotType==-2||playerType-robotType==1){
        NSLog(@"恭喜玩家[%@]取得了胜利。",player->_name);
        player->_score++;
    }else if(playerType==robotType){
         NSLog(@"[%@]、[%@]，你们真是心有灵犀 一点通啊！",player->_name,robot->_name);
    }else{
        NSLog(@"恭喜玩家[%@]取得了胜利。",robot->_name);
        robot->_score++;
    }
    NSLog(@"--玩家[%@]：[%d]-------机器人[%@]：[%d]",player->_name,player->_score,robot->_name,robot->_score);
}
@end
int main(int argc,const char * argv[]){
    Player *player=[Player new];
    player->_name=@"小明";
    Robot *robot=[Robot new];
    robot->_name=@"阿尔法狗";
    Judge *judge=[Judge new];
    judge->_name=@"黑哨";
    while(1){
        [player showFist];
        [robot showFist];
        [judge caiJueWithPlay:player andRobot:robot];
        NSLog(@"请问还要继续吗？y/n");
        char ans='a';
        rewind(stdin);
        scanf("%c",&ans);
        if(ans!='y'){
            NSLog(@"欢迎 下次来玩。");
            break;
        }
    }
    return 0;
}