C#实现简易猜数字游戏

完整代码：

using System;

namespace GuessNumberApplication
{
  class Program
  {
    static void Main(string[] args)
    {
      var guessNumber = new GuessNumber();
      var ruleExplain = new RuleExplain();

      ruleExplain.Rule();
      int number = guessNumber.SetRandom();
      guessNumber.Guess(number);

      Console.ReadKey();
    }
  }
  class RuleExplain
  {
    public void Rule()
    {
      string symbol;
      bool flag = false;
      Console.WriteLine("***********************************************");
      Console.WriteLine("------------欢迎进入猜数字游戏！-------------");
      Console.WriteLine("我们将从1到10间随机生成一个数字由玩家进行猜测！");
      Console.WriteLine(" 来看看你们的运气，提供你们三次猜测机会！");
      Console.WriteLine("tY--开始游戏ttN--退出游戏");
      Console.WriteLine("***********************************************");
      Console.Write("是否进入游戏：");
      symbol = Convert.ToString(Console.ReadLine());
      while (flag == false)
      {
        switch (symbol)
        {
          case "Y":
            Console.Clear();
            Console.WriteLine("游戏开始！");
            flag = true;
            break;
          case "N":
            Console.WriteLine("退出游戏！");
            Console.ReadKey();
            Environment.Exit(0);
            break;
          default:
            Console.WriteLine("输入无效符号！");
            Console.Write("是否进入游戏：");
            symbol = Convert.ToString(Console.ReadLine());
            break;
        }
      }      

    }
  }

  class GuessNumber
  {
    public int SetRandom()
    {
      int number;

      Random random = new Random();
      number = random.Next(1, 10); // 使用该方法获得的随机数大于等于1，小于10；
      return number;
    }

    public void Guess(int num)
    {
      int number;
      int count = 0;
      Console.WriteLine("请输入猜测数值：");
      number = Convert.ToInt32(Console.ReadLine());

      while (num <= 10)
      {
        if (number == num)
        {
          Console.WriteLine("恭喜你，猜对了！");
          break;
        }
        else
        {
          count++; // 获取玩家输入次数
          Console.WriteLine("亲。猜错了哦! 您以使用{0}次机会n", count);

          if (count >= 3) //判断玩家是否已输入三次
          {
            Console.WriteLine("您已用完猜测次数，Game Over！");
            break;
          }
          Console.WriteLine("请再次输入猜测数值：");
          number = Convert.ToInt32(Console.ReadLine());

        }

      }

    }
  }
}