主要的:
#include <iostream>
#include <string>
#include "serviceChargeChecking.h"
int main()
{
serviceChargeChecking newAccount("Crim", 111222, 50.00, 100, 1.00);
system("PAUSE");
return 0;
}
serviceChargeChecking.h:
#ifndef H_serviceChargeChecking
#define H_serviceChargeChecking
#include "checkingaccount.h"
#include <string>
class serviceChargeChecking: public checkingAccount
{
public:
void setMonthlyFee(double);
void writeCheck(int);
void getMonthlyStatement() const;
serviceChargeChecking(std::string =" ",int = 0, double = 0.00, int= 0, double = 0.00);
private:
double serviceCharge;
};
#endif
serviceChargeChecking.cpp:
#include "serviceChargeChecking.h"
#include <iostream>
using std::string;
void serviceChargeChecking::setMonthlyFee(double fee)
{
serviceCharge=fee;
}
void serviceChargeChecking::getMonthlyStatement() const
{
checkingAccount::getMonthlyStatement();
std::cout<< "Service Charge: " << serviceCharge << std::endl;
}
void serviceChargeChecking::writeCheck(int ammount)
{
if(checkingAccount::getChecks()>0)
{
checkingAccount::setChecks(checkingAccount::getChecks()-ammount);
}
else
{
std::cout<<"No checks available." << std::endl;
}
}
serviceChargeChecking::serviceChargeChecking(string name, int acct, double bal, int numCheck, double sCharge)
{
bankAccount::setAcctOwnersName(name);
bankAccount::setAcctNum(acct);
bankAccount::setBalance(bal);
checkingAccount::setChecks(numCheck);
serviceCharge=sCharge;
}
检查帐户.h:
#ifndef H_checkingAccount
#define H_checkingAccount
#include "bankAccount.h"
#include <iostream>
class checkingAccount: public bankAccount
{
public:
virtual void writeCheck()=0;
void deposit(double);
void withdraw(double);
void getMonthlyStatement() const;
int getChecks();
void setChecks(int);
private:
int numChecks;
};
#endif
检查帐户.cpp:
#include "checkingAccount.h"
#include <iostream>
int checkingAccount::getChecks()
{
return numChecks;
}
void checkingAccount::setChecks(int c)
{
numChecks=c;
}
void checkingAccount::deposit(double d)
{
bankAccount::setBalance(bankAccount::getBalance()+d);
}
void checkingAccount::withdraw(double w)
{
bankAccount::setBalance(bankAccount::getBalance()-w);
}
void checkingAccount::getMonthlyStatement() const
{
bankAccount::getMonthlyStatement();
}
银行账户.h:
#ifndef H_bankAccount
#define H_bankAccount
#include <string>
class bankAccount
{
public:
std::string getAcctOwnersName() const;
int getAcctNum() const;
double getBalance() const;
void getMonthlyStatement() const;
void setAcctOwnersName(std::string);
void setAcctNum(int);
void setBalance(double);
virtual void withdraw(double)=0;
virtual void deposit(double)=0;
private:
std::string acctOwnersName;
int acctNum;
double acctBalance;
};
#endif
银行账户.cpp:
#include "bankAccount.h"
#include <iostream>
using std::string;
string bankAccount::getAcctOwnersName() const
{
return acctOwnersName;
}
int bankAccount::getAcctNum() const
{
return acctNum;
}
double bankAccount::getBalance() const
{
return acctBalance;
}
void bankAccount::setAcctOwnersName(string name)
{
acctOwnersName=name;
}
void bankAccount::setAcctNum(int num)
{
acctNum=num;
}
void bankAccount::setBalance(double b)
{
acctBalance=b;
}
void bankAccount::getMonthlyStatement() const
{
std::cout << "Name on Account: " << getAcctOwnersName() << std::endl;
std::cout << "Account Id: " << getAcctNum() << std::endl;
std::cout << "Balance: " << getBalance() << std::endl;
}
我知道这是很多代码要经过,但任何人都可以帮助我理解为什么我不能从类 serviceChargeChecking 中创建一个对象,错误告诉我我不能从抽象类中创建一个对象,但它似乎不是对我来说很抽象。