我试图调用派生类中的所有虚函数，然后在外部将它们定义为saving类，但是我似乎没有正确定义我的构造函数类，而且似乎无法修复它。
我正在使用class accountInfo中的构造函数来存储虚拟函数和受保护的成员，我希望balance使用saving(current_balance,current_interest);进行更新。但是，我确定我在某个地方有逻辑错误，但找不到。我知道我不使用构造函数accountInfo(double addBalance,double intRate);，因为我想使用派生类而不是父类来更新balance的值
#include <iostream>
#include <math.h>
#include <string>
using namespace std;
class accountInfo{
public:
accountInfo();
accountInfo(double addBalance,double intRate);
virtual void deposit(double amount);
virtual void withdraw(double amount);
virtual double calcInt();
virtual double monthlyProc();
void virtual print();
~accountInfo();
protected:
double balance = 0;
int numDeposits = 0;
int numWithdraws = 0;
double annual_Interest = 0;
double monthlyServiceFee = 10;
bool status = false;
};
class saving: public accountInfo{
public:
saving(double addBalance,double intRate);
void print();
void withdraw(double amount);
void deposit(double amount);
double calcInt();
double monthlyProc();
};
void saving::deposit(double amount){ //how to call back the base function
if(balance >=25){
status = true;
balance +=amount;
numDeposits++;
}
else
status = false;
cout << "Balance is below 25" << endl;
}
accountInfo::accountInfo(){}
accountInfo::accountInfo(double addBalance,double intRate){
balance = addBalance;
annual_Interest = intRate;
}
saving::saving(double addBalance,double intRate){
balance = addBalance;
annual_Interest = intRate;
}
void saving::withdraw(double amount){
balance -= amount;
numWithdraws++;
}
double saving::calcInt(){
double monthlyRate = annual_Interest/12;
double monthlyInterest = balance * monthlyRate;
return balance + monthlyInterest;
}
double saving::monthlyProc(){ //how to call calcInt to delete the following
balance -= monthlyServiceFee;
numWithdraws = 0;
numDeposits = 0;
monthlyServiceFee = 0;
return balance;
}
void saving::print(){
cout <<"current balance " <<balance << endl;
cout << "Interest Rate "<<annual_Interest << endl;
cout << "number of deposits " << numDeposits << endl;
cout << "number of withdraws " << numWithdraws << endl;
cout << "monthlyServiceFee " << monthlyServiceFee << endl;
}
accountInfo::~accountInfo(){}
int main(){
double current_balance = 0;
double current_interest = 0;
double money,money0;
//accountInfo obj0;
accountInfo obj = accountInfo(100,100);
char option;
while(option != 'Q'){
cout << "Select action" << endl;
cin >> option;
option = toupper(option);
saving obj1(current_balance,current_interest);
switch(option){
case('A'):
{
cout << "Please input your balance and interest rate: " << endl;
cin >> current_balance;
cin >> current_interest;
obj1 = saving(current_balance,current_interest);
}
break;
case('D'):
cout << "Money to deposit" << endl;
cin >> money;
obj1.deposit(money);
break;
case('W'):
cout << "Money to withdraw" << endl;
cin >> money0;
obj1.withdraw(money0);
break;
case('P'):
obj1.print();
break;
case ('Q'):
option = 'Q';
break;
}
}
// cout << "the balance after interest is " <<obj.calcInt() << endl;
// cout << "money after the monthly services " << obj.monthlyProc() << endl;
return 0;
}