15-07-02 if 语句-猜拳游戏

            Console.WriteLine("请出拳：");
            string human = Console.ReadLine();

            Random rand = new Random();      //造一个随机数生成器
            int n = rand.Next(3);        //随机生成一个小于3的整数

            string computer;
            int ren;

            if (n == 0)
            {
                computer = "剪刀";
            }
            else if (n == 1)
            {
                computer = "石头";
            }
            else
            {
                computer = "布";
            }
            
        if (human =="剪刀"||human =="石头"||human =="布")
        {
            if(human =="剪刀")
            {
                ren = 0;
            }
            else if (human == "石头")
            {
                ren = 1;
            }
            else
            {
                ren = 2;
            }
        

            Console.WriteLine(human +"VS"+computer );
        
            int jieguo = ren - n;
            if (jieguo==1||jieguo==-2)
            {
                Console.WriteLine("大姐，你赢了！");
            }
            else if (jieguo == 0)
            {
                Console.WriteLine("平局！");
            }
            else
            {
                Console.WriteLine("哈哈哈，你输了！");
            }
        }
        else
        {
            Console.WriteLine("请按套路出拳！");
        }