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我目前正在从事一个项目，我被要求为一家小型企业（在本例中为小型电影院）制作一个程序，我可以在其中记录和打印各种产品和客户的收据。

到目前为止，我所拥有的是一系列记录客户想要订购什么的代码。

我该如何创建另一个类来存储和计算价格并将收据的外观打印到控制台？

我不是要答案，只是一些指导。

namespace RecieptApp
{
    class Reciept
    {
        public void Main()
        {
            double DoubleDiscount;
            int IntFoodOrdered;
            int IntDrinkOrdered;
            double DoubleFoodSize;
            double DoubleDrinkSize;
            int ACustomer;
            int BCustomer;
            string CustomerDescription;
            string FoodDescription;
            string DrinkDescription;

            Console.Write("How many adults: ");
            ACustomer = Console.Read();
            Console.Write("How many kids: ");
            BCustomer = Console.Read();

            while (true)
            {
                Console.Write("Are you a government employee, current or retired military, or classified disabled? (Please answer yes or no) :");
                string input1 = Console.ReadLine();
                if (input1 == "yes")
                {
                    DoubleDiscount = .15;
                    CustomerDescription = "Special Discount";
                }
                else
                {
                    break;
                }
            }

            while (true)
            {
                Console.WriteLine("Would you like to order some popcorn?");
                string FoodInput1 = Console.ReadLine();
                if (FoodInput1 == "yes")
                {
                    Console.WriteLine("How many would you like?");
                    int.TryParse(Console.ReadLine(), out IntFoodOrdered);
                    while (true)
                    {
                        Console.WriteLine("And would you like that in small or large?");
                        string FoodInput2 = Console.ReadLine();
                        if (FoodInput2 == "small")
                        {
                            DoubleFoodSize = 3.75;
                            FoodDescription = "S";
                        }
                        else
                        {
                            DoubleFoodSize = 6.75;
                            FoodDescription = "L";
                        }
                    }
                }
                else
                {
                    break;
                }
            }

            while (true)
            {
                Console.WriteLine("Would you like to order a drink?");
                string DrinkInput1 = Console.ReadLine();
                if (DrinkInput1 == "yes")
                {
                    Console.WriteLine("How many would you like?");
                    int.TryParse(Console.ReadLine(), out IntDrinkOrdered);
                    while (true)
                    {
                        Console.WriteLine("And Would you like that in small or large?");
                        string DrinkInput2 = Console.ReadLine();
                        if (DrinkInput2 == "small")
                        {
                            DoubleDrinkSize = 2.75;
                            DrinkDescription = "S";
                        }
                        else
                        {
                            DoubleDrinkSize = 5.75;
                            DrinkDescription = "L";
                        }
                    }

                }
            }
            //This is where the other class would go in
            //I just dont know how to go about it so that it would minimized the amount of code I have //to write

            RecieptList Items = new RecieptList();

            Items.AddProduct(ACustomer);
            Items.AddProduct(BCustomer);
            Items.AddProduct(CustomerDescription);
            Items.AddProduct(FoodDescription);
            Items.AddProduct(DrinkDescription);

        }
    }
}
4

1 回答 1

1

如果您想要创建一个类，您可能想要创建一个代表通用产品的类，然后有一个方法从该产品中获取详细信息行

因为我无事可做，所以我让你成为 SSCCE。它过于简化了，但它满足了您对非常具体的情况的要求，并且它使用了一个对象。

我相信您足够聪明，可以使用一些概念来满足您的特定需求。 

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

namespace ConsoleApplication2
{

    public class Product
    {
        public string description;
        public double price;
        //normally you want to use eitehr an int for price(representing cents) or a decimal type, instead of double
        //just using a double here for the sack of simplicity
        // you'll also want to use properties instead of variable fields, but i'm using variable fields for simplicity

        // constructor
        public Product(string description, double price)
        {
            this.description = description;
            this.price = price;
        }

        public string GetDetailLine()
        {
            // google "String.Format" for more information,
            // basically it replaces things in the {0} and {1}, with the other parameters
            // the ":c" in {1:c} part means format as currency
            return String.Format("You ordered {0}.  It costs: {1:c}", description, price);
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            List<Product> products = new List<Product>();


            Console.Write("Do You Want a Soda?   ");
            string input = Console.ReadLine();
            //the .ToUpper() part makes it upper case
            if (input.ToUpper() == "YES")
            {
                Product soda = new Product("soda", 2.50);
                products.Add(soda);
            }

            double total = 0; 
            for(int i = 0; i<products.Count; i++)
            {
                Console.WriteLine(products[i].GetDetailLine());
                total += products[i].price;
            }

            //you can also use Console.Writeline like String.Format
            Console.WriteLine("Your Total is:  {0:c}", total);


            // this is just to pause in-case you're debugging from visual studio
            Console.ReadLine();
        }
    }
}
于 2012-12-06T02:44:35.893 回答