抽象工厂模式

using System;

using System.Collections.Generic;



public class Constant

{

    public static double Base_salary=4000;

}



/// <summary>

/// 定义抽象奖金类

/// </summary>

public abstract class Bonus

{

    public abstract  double Calculate();

}

/// <summary>

/// 中国奖金

/// </summary>

public class ChineseBonus:Bonus

{

    override public double Calculate()

    {

        return Constant.Base_salary*0.1;

    }

}

/// <summary>

/// 美国奖金

/// </summary>

public class AmericanBonus:Bonus

{

    override public double Calculate()

    {

        return Constant.Base_salary*0.15;

    }

}



/// <summary>

/// 定义抽象税收

/// </summary>

public abstract class Tax

{

    public abstract double Calculate();

}

/// <summary>

/// 中国税收

/// </summary>

public class ChineseTax:Tax

{

    override public double Calculate()

    {

        return Constant.Base_salary*0.1;

    }

}

/// <summary>

/// 美国税收

/// </summary>

public class AmericanTax:Tax

{

    override public double Calculate()

    {

        return Constant.Base_salary*0.2;

    }

}



/// <summary>

/// 抽像工厂

/// </summary>

public abstract class AbstractFactory

{

    public abstract Tax getTax();

    public abstract Bonus getBonus();

}



/// <summary>

/// 中国工厂

/// </summary>

public class ChineseFactory:AbstractFactory

{

    public override Tax getTax()

    {

        return new ChineseTax();

    }

    public override Bonus getBonus()

    {

        return new ChineseBonus();

    }

}

/// <summary>

/// 美国工厂

/// </summary>

public class AmericanFactory:AbstractFactory

{

//     public static AbstractFactory GetInstance()

//      {

//           string factoryName = Constant.STR_FACTORYNAME.ToString();

//

//           AbstractFactory instance;

//

//           if(factoryName != "")

//                instance = (AbstractFactory)Assembly.Load(factoryName).CreateInstance(factoryName);

//            else

//                instance = null;

//

//            return instance;

//        }

    public override Tax getTax()

    {

        return new AmericanTax();

    }

    

    public override Bonus getBonus()

    {

        return new AmericanBonus();

    }

}