public static IProduct GetProduct(RoomParts part)
{
IFactory factory = null;
// 传统工厂模式的弊端：工厂管理类和工厂类族的紧耦合
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);
}
// 利用工厂生产产品
var product = factory.Produce();
Console.WriteLine($"生产了一个产品：{product.GetName()}");
return(product);
}
public static IProduct GetProduct(RoomParts part)
{
IFactory factory = null;
//这里就是传统工厂模式的弊端，工厂管理者和工厂类族类耦合
//根据不同的产品类型，找到对应的工厂
switch (part)
{
case RoomParts.Roof:
factory = new RoofFactory();
break;
case RoomParts.Window:
factory = new WindowFactory();
break;
case RoomParts.Pillar:
factory = new PillarFactory();
break;
default:
break;
}
//利用工厂生产出产品
IProduct product = factory.Produce();
Console.WriteLine("生产了一个产品：{0}", product.GetName());
return(product);
}
public static IProduct GetProduct(RoomParts part)
{
Factory factory = new Factory();
IProduct product = factory.Produce(part);
Console.WriteLine("生产了一个产品：{0}", product.GetName());
return(product);
}
public static IProduct GetProduct(RoomParts part)
{
// 一共只有一个工厂
var factory = new Factory();
var product = factory.Produce(part);
Console.WriteLine($"生产了一个产品：{product.GetName()}");
return(product);
}
public IProduct Produce(RoomParts parts)
{
ProductListAttribute attr = (ProductListAttribute)Attribute.GetCustomAttribute(typeof(IProduct), typeof(ProductListAttribute));
foreach (var type in attr.ProductList)
{
ProductAttribute pa = (ProductAttribute)Attribute.GetCustomAttribute(type, typeof(ProductAttribute));
if (pa.RoomPart == parts)
{
object product = Assembly.GetExecutingAssembly().CreateInstance(type.FullName);
return(product as IProduct);
}
}
return(null);
}
public IProduct Produce(RoomParts part)
{
// 通过反射从IProduct接口中获得属性从而获得所有产品列表
var attr = (ProductListAttribute)Attribute.GetCustomAttribute(typeof(IProduct), typeof(ProductListAttribute));
// 遍历所有的实现产品零件类型
foreach (var type in attr.ProductList)
{
// 利用反射查找其属性
var pa = (ProductAttribute)Attribute.GetCustomAttribute(type, typeof(ProductAttribute));
// 确定是否是需要到的零件
if (pa.RoomPart == part)
{
// 利用反射动态创建产品零件类型实例
var product = Assembly.GetExecutingAssembly().CreateInstance(type.FullName);
return(product as IProduct);
}
}
return(null);
}
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;
}
public IProduct Produce(RoomParts part)
{
//通过反射，从IProduct接口中获取属性
//从而获得所有的产品零件列表
ProductListAttribute attr = (ProductListAttribute)Attribute.GetCustomAttribute(typeof(IProduct), typeof(ProductListAttribute));
//遍历所有的实现产品零件类型
foreach (var type in attr.ProductList)
{
//利用反射查找其属性
ProductAttribute pa = (ProductAttribute)Attribute.GetCustomAttribute(type, typeof(ProductAttribute));
//确定是否是需要的产品
if (pa.RoomPart == part)
{
//再一次利用反射，创建产品零件类型
Object product = Assembly.GetExecutingAssembly().CreateInstance(type.FullName);
return(product as IProduct);
}
}
return(null);
}
public ProductAttribute(RoomParts parts)
{
myRoomPart = parts;
}
public ProductAttribute(RoomParts part)
{
_myRoomPart = part;
}