神灯系统C#语言实现

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class Class1
    {
        public void  sd() {
            Console.WriteLine("欢迎进入神灯系统！");
            Console.WriteLine("中文服务请按“1”\t英文服务请按“2”");
            while(true){
            int a  = int.Parse(Console.ReadLine());
            switch(a){
                case 1:{
                    Console.WriteLine("中文服务");
                    Console.WriteLine("1.祈祷");
                    Console.WriteLine("2.诅咒");
                    Console.WriteLine("3.实现愿望");
                    Console.WriteLine("4.还愿");
                    Console.WriteLine("5.高考分数查询");
                    int c = int.Parse(Console.ReadLine());
                    if (c == 1)
                    {
                        Console.WriteLine("祈祷");
                    }
                    else if(c==2){
                        Console.WriteLine("诅咒");
                    }else if(c==3){
                        Console.WriteLine("实现愿望");
                        Console.WriteLine("1.延年益寿");
                        Console.WriteLine("2.盛世美颜");
                        Console.WriteLine("3.强身健体");
                        Console.WriteLine("4.升官发财");
                        Console.WriteLine("5.找到爱情");
                        Console.WriteLine("8、 人工服务");
                        int b = int.Parse(Console.ReadLine());
                        if (b == 1) {
                            Console.WriteLine("1.延年益寿");
                        }else if(b==2){
                            Console.WriteLine("2.盛世美颜");
                        }else if(b==3){
                            Console.WriteLine("3.强身健体");
                        }else if(b==4){
                            Console.WriteLine("4.升官发财");
                        }else if(b==5){
                            Console.WriteLine("5.找到爱情");
                        }
                        else if (b == 8)
                        {
                            Console.WriteLine("8.人工服务");
                        }
                        else {
                            Console.WriteLine("输入错误！");
                        }
                        
                    }else if (c == 4){
                        Console.WriteLine("还愿");
                    }
                    else if (c == 5)
                    {
                        Console.WriteLine("高考分数查询");
                    }
                    else {
                        Console.WriteLine("输入错误！");
                    }
                    break;
                }
                case 2: {
                    Console.WriteLine("英文服务");
                    break;
                }
          }
            
            }
        }
    }
}

运行截图

流程图绘制