通过一个控制台小Demo--算术题，来展示C#基本的程序结构

Posted 2020-11-20 stakes-ds

/*写一个随机产生数学题，你计算出答案的程序*/
using System;
namespace test {
    public class test{
        /*判断是否正确*/
        public static bool fun1(int[] randoms,int readLine_info)
        {
            int right_result = randoms[0] + randoms[1];
            if (readLine_info == right_result)
                return true;
            else
            {
                return false;
            }
        }
        /*产生两个随机的整数*/
        public static int[] fun2() {
            int[] randoms = new int[2];
            int x, y;
            Random ran = new Random();
            x = ran.Next(1, 100);
            y = ran.Next(1, 100);
            randoms[0] = x;
            randoms[1] = y;
            Console.WriteLine(x + " + " + y + " = ?");
            return randoms;
        }
        public static void Main()
        {
            bool result = false;
            while (result) {
                int readLine_info;
                int[] randoms = fun2();
                Console.WriteLine("+");
                //string转int，使用int.Parse(str)，高效不抛异常
                readLine_info = int.Parse(Console.ReadLine());
                fun1(randoms, readLine_info);
                if (result == true)
                    break;
            }
        }     
       }

   }