[23种设计模式汇总]设计模式_抽象工厂

设计模式抽象工厂
先来看看抽象工厂的UML图
看到了吧，唯一的区别就是工厂创建了多个对象，当然，还是在工厂子类中创建的，这一点和工厂模式是一致的
C#版本代码
/*其实工厂和抽象工厂没有多大区别，只不过是抽象工厂生产的商品是多个而已
通俗的说，就是抽象工厂模式的具体工厂里面会有多个实例具体对象的方法
更直观的就是，抽象工厂模式每个工厂一次造多个玩意,而工厂模式的每个工厂只造一个玩意*/
public abstract class Product
{
public abstract void work();
}
public class ProductA : Product
{
public override void work()
{
Console.Write("ProductA");
}
}
public class ProductB : Product
{
public override void work()
{
Console.Write("ProductB");
}
}
public abstract class Car
{
public abstract void Build();
}
public class CarA : Car
{
public override void Build()
{
Console.Write("Build CarA");
}
}
public class CarB : Car
{
public override void Build()
{
Console.Write("Build CarB");
}
}
public abstract class AbstractFactory
{
//工厂生产多个对象
public abstract Product newproduct();
public abstract Car newCar();
}
public class AbstractFactoryA : AbstractFactory
{
public override Product newproduct()
{
return new ProductA();//子类里面实现具体的实例化}
public override Car newCar()
{
return new CarA();
}
}
public class AbstractFactoryB : AbstractFactory
{
public override Product newproduct()
{
return new ProductB();//子类里面实现具体的实例化}
public override Car newCar()
{
return new CarB();
}
}
public class AbstractFactoryClient
{
public static void GetFactoryMethod()
{
AbstractFactory factorysubA = new AbstractFactoryA(); AbstractFactory factorysubB = new AbstractFactoryA();
Product pruductA = factorysubA.newproduct(); Product pruductB = factorysubB.newproduct();
Car factorycarA = factorysubA.newCar();
factorycarA.Build();
pruductA.work();
pruductB.work();
}
}。