第2章デパート販促(1)——工場モデル
2907 ワード
/*shop.h */
#ifndef _SHOP_
#define _SHOP_
#include<iostream>
#include<string>
//
class Cashsuper
{
public:
virtual double acceptcash(double money);
};
//
class cashnormal:public Cashsuper
{
public:
virtual double acceptcash(double money);
};
//
class cashrebate:public Cashsuper
{
public:
cashrebate():moneyrebate(0.1){}
virtual double acceptcash(double money);
void calcute_rebate(std::string moneystring);
private:
double moneyrebate;//
};
//
class cashreturn:public Cashsuper
{
public:
void MoneyReturn(std::string moneycondition_str,std::string moneyreturn_str);
virtual double acceptcash(double money);
private:
double moneycondition;// （ 300）
double moneyreturn;// （ 100）
};
//
class CashFactory
{
public:
static Cashsuper* createcashaccept(std::string type);
};
#endif
/*shop,cpp */
#include<iostream>
#include"shop.h"
using namespace std;
// （ ）
double Cashsuper::acceptcash(double money)
{
return money;
}
// （ ）
double cashnormal::acceptcash(double money)
{
return money;
}
// （ ）
void cashrebate::calcute_rebate(std::string moneystring)
{
if(moneystring==" ")
moneyrebate=0.8;
else if(moneystring==" ")
moneyrebate=0.9;
}
double cashrebate::acceptcash(double money)
{
return money*moneyrebate;
}
// （ ）
void cashreturn::MoneyReturn(std::string moneycondition_str,std::string moneyreturn_str)
{
if(moneycondition_str==" 100")
moneycondition=100;
if(moneycondition_str==" 200")
moneycondition=200;
if(moneycondition_str==" 300")
moneycondition=300;
if(moneyreturn_str==" 10")
moneyreturn=10;
if(moneyreturn_str==" 50")
moneyreturn=50;
if(moneyreturn_str==" 100")
moneyreturn=100;
}
double cashreturn::acceptcash(double money)
{
double result=money;
if(result>=moneycondition)
result=money-moneyreturn;
return result;
}
// （ ）
Cashsuper* CashFactory::createcashaccept(std::string type)
{
Cashsuper* cs=NULL;
if(type==" ")
cs=new cashnormal;
else if(type==" 300 100")
{
cashreturn* csre=new cashreturn;
csre->MoneyReturn(" 300"," 100");
cs=csre;
}
else if(type==" ")
{
cashrebate* csreb=new cashrebate;
csreb->calcute_rebate(" ");
cs=csreb;
}
else
exit(1);
return cs;
}
/*main.cpp */
#include "shop.h"
#include<iostream>
using namespace std;
int main()
{
string type;
cin>>type;
Cashsuper* csuper=CashFactory::createcashaccept(type);
double totleprices=1000;
double totle=0.0;
totle=csuper->acceptcash(totleprices);
cout<<totle<<endl;
system("pause");
return 0;
}