C#需要设置一个循环来拒绝无效的用户输入(低于1/高于5)我该怎么做?编码新手，制作影院入口应用程序

本文关键字：编码 我该怎么做 新手 高于 入口 应用程序 输入 一个 设置 循环 用户 | 更新日期: 2023-09-27 18:20:03

namespace ConsoleApplication2
{
  class Program
  {
    static void Main()
    {
        Console.WriteLine("Welcome to our Multiplex");

        Console.WriteLine("We are presently Showing:");
        Console.WriteLine("1.Legend");
        Console.WriteLine("2.Macbeth");
        Console.WriteLine("3.Everest");
        Console.WriteLine("4.A Walk In the Woods");
        Console.WriteLine("5.Hotel Transylvania");
        Console.WriteLine("Enter the number of the film you wish to see?");
        {

            string moviestring = Console.ReadLine();
            int movie = int.Parse(moviestring);

C#需要设置一个循环来拒绝无效的用户输入(低于1/高于5)我该怎么做?编码新手，制作影院入口应用程序

以下是我可以为您的案例建议的解决方案：

    static void Main(){
        bool flag0 = true; //initialize tracking bool value to exit loop when needed
        int result;
        Console.WriteLine("Welcome to our Multiplex");
        Console.WriteLine("We are presently Showing:");
        Console.WriteLine("1.Legend");
        Console.WriteLine("2.Macbeth");
        Console.WriteLine("3.Everest");
        Console.WriteLine("4.A Walk In the Woods");
        Console.WriteLine("5.Hotel Transylvania");

        do //do while loop suits this case best as it does check the value on the end
        {
            Console.WriteLine("Enter the number of the film you wish to see?");
            string moviestring = Console.ReadLine();
            int.TryParse(moviestring, out result); //does try-catch check so it wont crash on the run-time
            if (result <= 5 && result >= 1) //logical check if value is correct
                flag0 = false; //exits the loop
            //do true logic....
            else
                Console.WriteLine("Incorrect value. Try again.");
            //do false logic
        } while (flag0);
   }
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