CSharp: Abstract Factory in donet core 3

csharp;gutter:true; /// /// Abstract Factory抽像工厂 /// geovindu,Geovin Du eidt /// public interface IShape { void Draw(); } /// /// /// public class Square : IShape { public void Draw() => Console.WriteLine("Basic square"); } /// /// /// public class Rectangle : IShape { public void Draw() => Console.WriteLine("Basic rectangle"); } /// /// /// public class RoundedSquare : IShape { public void Draw() => Console.WriteLine("Rounded square"); } /// /// /// public class RoundedRectangle : IShape { public void Draw() => Console.WriteLine("Rounded rectangle"); } /// /// /// public enum Shape { Square, Rectangle } /// /// /// public abstract class ShapeFactory { public abstract IShape Create(Shape shape); } /// /// /// public class BasicShapeFactory : ShapeFactory { public override IShape Create(Shape shape) { switch (shape) { case Shape.Square: return new Square(); case Shape.Rectangle: return new Rectangle(); default: throw new ArgumentOutOfRangeException( nameof(shape), shape, null); } } } /// /// /// public class RoundedShapeFactory : ShapeFactory { public override IShape Create(Shape shape) { switch (shape) { case Shape.Square: return new RoundedSquare(); case Shape.Rectangle: return new RoundedRectangle(); default: throw new ArgumentOutOfRangeException(nameof(shape), shape, null); } } } /// /// /// public class Demo { public static ShapeFactory GetFactory(bool rounded) { if (rounded) return new RoundedShapeFactory(); else return new BasicShapeFactory(); }</p> <pre><code>} </code></pre> <pre><code> ;gutter:true;
///
/// Abstract Factory抽像工厂
/// geovindu,Geovin Du eidt
///
public interface IAnimalFactory
{
IDog GetDog();
ITiger GetTiger();
}

///
/// Abstract Product-1
///
public interface ITiger
{
void AboutMe();
}
///
/// Abstract Product-2
///
public interface IDog
{
void AboutMe();
}

///
/// Concrete product-A1(WildTiger)
///
class WildTiger : ITiger
{
public void AboutMe()
{
Console.WriteLine("涂氏 tiger says: I prefer hunting in jungles.Halum.");
}
}
///
/// Concrete product-B1(WildDog)
///
class WildDog : IDog
{
public void AboutMe()
{
Console.WriteLine("涂氏 dog says: I prefer to roam freely in jungles.Bow-Wow.");
}
}

///
/// Concrete product-A2(PetTiger)
///
class PetTiger : ITiger
{

///
///
///
public void AboutMe()
{
Console.WriteLine("李氏 tiger says: Halum.I play in an animal circus.");
}
}

///
/// Concrete product-B2(PetDog)
///
class PetDog : IDog
{
public void AboutMe()
{
Console.WriteLine("李氏 dog says: Bow-Wow.I prefer to stay at home.");
}
}
///
/// Concrete Factory 1-Wild Animal Factory
///
public class WildAnimalFactory : IAnimalFactory
{

public ITiger GetTiger()
{
return new WildTiger();
}
public IDog GetDog()
{
return new WildDog();
}
}
///
/// Concrete Factory 2-Pet Animal Factory
///
public class PetAnimalFactory : IAnimalFactory
{
public IDog GetDog()
{
return new PetDog();
}

public ITiger GetTiger()
{
return new PetTiger();
}
}
///
/// Factory provider
///
class FactoryProvider
{
///
///
///
///
///
///
public static IAnimalFactory GetAnimalFactory(string factoryType)
{
if (factoryType.Contains("涂氏"))
{
// Returning a WildAnimalFactory
return new WildAnimalFactory();
}
else
if (factoryType.Contains("李氏"))
{
// Returning a PetAnimalFactory
return new PetAnimalFactory();
}
else
{
throw new ArgumentException("You need to pass either wild or pet as argument.");
}
}
}

调用：

csharp;gutter:true; //Abstract Factory抽像工厂 Console.WriteLine("<strong><em>Abstract Factory Pattern Demo.</em></strong>\n");</p> <pre><code> //Making a wild dog and wild tiger through WildAnimalFactory IAnimalFactory animalFactory = FactoryProvider.GetAnimalFactory("涂氏"); IDog dog = animalFactory.GetDog(); ITiger tiger = animalFactory.GetTiger(); dog.AboutMe(); tiger.AboutMe(); Console.WriteLine("******************"); //Making a pet dog and pet tiger through PetAnimalFactory now. animalFactory = FactoryProvider.GetAnimalFactory("李氏"); dog = animalFactory.GetDog(); tiger = animalFactory.GetTiger(); dog.AboutMe(); tiger.AboutMe(); // var basic = Demo.GetFactory(false); var basicRectangle = basic.Create(Shape.Rectangle); basicRectangle.Draw(); var roundedSquare = Demo.GetFactory(true).Create(Shape.Square); roundedSquare.Draw(); Console.ReadLine(); </code></pre> <pre><code> 输出： ;gutter:true;
***Abstract Factory Pattern Demo.***

涂氏 dog says: I prefer to roam freely in jungles.Bow-Wow.

涂氏 tiger says: I prefer hunting in jungles.Halum.

******************
李氏 dog says: Bow-Wow.I prefer to stay at home.

李氏 tiger says: Halum.I play in an animal circus.

Basic rectangle
Rounded square
***Abstract Factory Pattern Demo.***

Original: https://www.cnblogs.com/geovindu/p/16754088.html
Author: ®Geovin Du Dream Park™
Title: CSharp: Abstract Factory in donet core 3