C++策略模式

#include <iostream>
#include <string>
using namespace std;

//抽象类 方法：共有属性收钱
class CashSuper 
{
public:
 virtual double AcceptCash(double money)=0;
};

//方法类 1:正常收钱
class CashNormal: public CashSuper
{
public:
 double AcceptCash(double money)
 {
  return money;
 }
};
//方法类2:打折
class CashRebate: public CashSuper
{
private:
 double m_dmoneyrebate;
public:
 CashRebate(double moneyrebae):m_dmoneyrebate(moneyrebae){}
public:
 double AcceptCash(double money)
 {
  return money*m_dmoneyrebate;
 }
};
//方法类3：返利促销
class CashReturn: public CashSuper
{
private:
 double m_dmoneyCondition;
 double m_dmoneyReturn;
public:
 CashReturn(double Condition,double Return)
 {
  m_dmoneyCondition=Condition;
  m_dmoneyReturn=Return;
 }
public:
 double AcceptCash(double money)
 {
  double dresult=money;
  if (money>m_dmoneyCondition)
  {
     dresult=money-(money/m_dmoneyCondition)*m_dmoneyReturn;
  }
  return dresult;
 }
};
//收银上下文
class CashContext
{
private:
 CashSuper* Cs;
public:
 CashContext(string type)
 {
  if (type=="正常")
  {
   Cs=new CashNormal();
  }
  if (type=="满500返150")
  {
   Cs=new CashReturn(500,150);
  }
  if (type=="打八折")
  {
   Cs=new CashRebate(0.8);
  }
 }
public:
 double GetResult(double money)
 {
  return Cs->AcceptCash(money);
 }
};
#include "StrategyHead.h"
//CPP
//策略模式
int main()
{
 CashContext* Ct=new CashContext("满500返150");
 double moneyresult=Ct->GetResult(1000);
 cout<<moneyresult<<endl;

 CashContext* Ct1=new CashContext("正常");
    double  moneyresult1=Ct1->GetResult(1000);
 cout<<moneyresult1<<endl;

 CashContext* Ct2=new CashContext("打八折");
 double moneyresult2=Ct2->GetResult(1000);
 cout<<moneyresult2<<endl;

}