示例#1
0
        private Product CreateProduct(string type, double price)
        {
            Product product = null;

            switch (type)
            {
            case "Gpu":
            {
                product = new Gpu(price);
                break;
            }

            case "Ram":
            {
                product = new Ram(price);
                break;
            }

            case "HardDrive":
            {
                product = new HardDrive(price);
                break;
            }

            case "SolidStateDrive":
            {
                product = new SolidStateDrive(price);
                break;
            }

            default:
            {
                throw new InvalidOperationException("Invalid product type!");
            }
            }
            return(product);
        }