抽象工厂模式

代码

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();
    }
}