public static IProduct GetProduct(RoomParts part)
{
IFactory factory = null;
switch (part)
{
case RoomParts.Roof:
factory = new RoofFactory();
break;
case RoomParts.Window:
factory = new WindowFactory();
break;
case RoomParts.Pillar:
factory = new PillarFactory();
break;
default:
return null;
}
IProduct product = factory.Produce();
Console.WriteLine("生产了一个产品:{0}", product.GetName());
return product;
}
