示例#1
0
        static void Main(string[] args)
        {
            ICreditCard m_CreditCard = null;

            Console.WriteLine("Please Choose your credit card type (0,1,2)");
            CreditCardType x = (CreditCardType)Enum.Parse(typeof(CreditCardType), Console.ReadLine());

            switch (x)
            {
            case CreditCardType.MoneyBack:
                m_CreditCard = new MoneyBack();
                break;

            case CreditCardType.Titanuim:
                m_CreditCard = new Titanium();
                break;

            case CreditCardType.Platinum:
                m_CreditCard = new Platinum();
                break;

            default:
                break;
            }

            Console.WriteLine("First Without use Factory Design Patterns");
            Console.WriteLine("");
            Console.WriteLine($"Card Type is {m_CreditCard?.GetCardType() ?? "Invalid card"}");
            Console.WriteLine($"Credit Limit is {m_CreditCard?.GetCreditLimit() ?? 0}");
            Console.WriteLine($"Annual Charge is {m_CreditCard?.GetAnnualCharge() ?? 0}");

            Console.WriteLine("");
            Console.WriteLine("*************************************************************");
            Console.WriteLine("");

            Console.WriteLine("Second Use Factory Design Patterns");
            Console.WriteLine("");
            ICreditCard creditCardFactory = CreditCardFactory.GetCreditCard(x);

            if (x == CreditCardType.MoneyBack)
            {
                ((MoneyBack)creditCardFactory).GetAnnualCharge
                Console.WriteLine($"Card Type is {creditCardFactory?.GetCardType() ?? "Invalid card"}");
            }
            Console.WriteLine($"Credit Limit is {creditCardFactory?.GetCreditLimit() ?? 0}");
            Console.WriteLine($"Annual Charge is {creditCardFactory?.GetAnnualCharge() ?? 0}");

            Console.ReadLine();
        }
示例#2
0
 public static ICreditCard GetCreditCard(CreditCardType creditCardType)
 {
     ICreditCard creditCard = null;
     switch (creditCardType)
     {
         case CreditCardType.MoneyBack:
             creditCard = new MoneyBack();
             break;
         case CreditCardType.Titanuim:
             creditCard = new Titanium();
             break;
         case CreditCardType.Platinum:
             creditCard = new Platinum();
             break;
         default:
             break;
     }
     return creditCard;
 }