c# - 如何编写一种方法，根据用户输入打印出主菜供应天数列表？

Question

我知道我可能会为此得到很多反对票，但我在 c# 方面还不错，但还有一段时间。如果有人能帮助我，我真的很感激。我的应用程序主要包含在名为 dailyMenu 的类中。该类具有以下字段:

public class dailyMenu
{
    private string day = "";
    private int date = 0;
    public string entree { get; private set; }
    private double price;
    private double calories;
    static int initalDate = 1;
    static string[] daysOfWeek = { "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" };
    static string[] entrees = {"Beef Tenderloin Fresco", "Madagascar Filet Mignon", "Filet Mignon", " Lobster Ravioli", "Asian Infused Braised Beef", "New Age Chicken Cordon Bleu", "Short Ribs", " Beef Wellington",
        "Fajitas", "Bacon Cheeseburger", " Beef Burgandy", "Spagehetti"};
    static double[] entreePrices = { 5.99, 7.99, 6.99, 4.50, 9.99, 10.29, 5.67, 8.99, 3.99, 4.78, 10, 79, 6.98 };
    static int[] entreeMealCaloricVal = { 999, 1288, 770, 699, 450, 999, 1500, 873, 911, 1011, 777, 500 }; 

这些是我的属性:

public string Day
{
    get { return day; }
    set { day = value; }
}
public int Date
{
    get { return date; }
    set { date = value; }
}
public string Entree
{
    get { return entree; }
    set { entree = value; }
}
public double Price
{
    get { return price; }
    set { price = value; }
}
public double Calories
{
    get { return calories; }
    set { calories = value; }
}

接下来，我必须在我的 main 方法中创建我的 dailymenu 类的对象。

public static void Main(string[] args)
{
    dailyMenu[,] daysOfMonth = new dailyMenu[4, 5];
    for (int column = 0; column < daysOfMonth.GetLength(0); column++)
    {
        for (int row = 0; row < daysOfMonth.GetLength(1); row++)
        {
            dailyMenu dm = new dailyMenu();
            daysOfMonth[column, row] = dm;
            Console.WriteLine(dm.ToString());
        }
    }
}

现在，我正在尝试想出一个功能，在用户输入上述主菜之一后，控制台将打印出所有供应输入主菜的日期。它还将二维数组作为参数。 这是我到目前为止的想法。

static void entreeSearch(dailyMenu[,] daysOfMonth)
{
    Console.WriteLine("PLease enter the entree you'd like to search for today :)");
    string response = Console.ReadLine();
    response = response.ToUpper();

    for (int column = 0; column < daysOfMonth.GetLength(0); column++)
    {
        for (int row = 0; row < daysOfMonth.GetLength(1); row++)
        {
            if (response ==)
            {
                dailyMenu dm = new dailyMenu();
                daysOfMonth[column, row] = dm;
                Console.WriteLine(dm.ToString());
            }

        }
    }

Answer 1

那么你需要填写哪一天有什么主菜。目前您正在初始化为默认值，因此每一天的主菜都是 null。但是一旦你解决了这个问题，这应该可以工作:

    static void entreeSearch(dailyMenu [,] daysOfMonth)
    {
        Console.WriteLine ("PLease enter the entree you'd like to search for today :)");
        string response = Console.ReadLine ();
        response = response.ToUpper ();

        for (int column = 0; column < daysOfMonth.GetLength(0); column++) 
        {
            for (int row = 0; row < daysOfMonth.GetLength(1); row++) 
            {
                dailyMenu dailyMenuAtThisRowAndColumn = daysOfMonth[column, row];
                if (dailyMenuAtThisRowAndColumn.Entree.ToUpper() == response)
                {
                     Console.WriteLine($"Entree {response} was found on day {daysOfMonth[column, row].Day}");
                }

            }
        }