#include
#include
#include
#include
using namespace std;
class CommissionEmployee
{
public:
CommissionEmployee(const std::string &, const std::
string &,
const std::string &, double = 0.0, double = 0.0);
void setFirstName(const std::string &);
std::string getFirstName() const;
void setLastName(const std::string &);
std::string getLastName() const;
void setSocialSecurityNumber(const std::string &);
std::string getSocialSecurityNumber() const;
void setGrossSales(double);
double getGrossSales() const;
void setCommissionRate(double);
double getCommissionRate() const;
double earnings() const;
void print() const;
protected: //注意
std::string firstName;
std::string lastName;
std::string socialSecurityNumber;
double grossSales;
double commissionRate;
};
class BasePlusCommissionEmployee : public CommissionEmployee
{
public:
BasePlusCommissionEmployee(const std::string &,
const std::string &, const std::string &,
double = 0.0, double = 0.0, double = 0.0);
void setBaseSalary(double);
double getBaseSalary() const;
double earnings() const;
void print() const;
private:
double baseSalary;
};
BasePlusCommissionEmployee::BasePlusCommissionEmployee(
const string &first, const string &last,
const string &ssn, double sales, double rate,
double salary)
: CommissionEmployee(first, last, ssn, sales, rate)
{
setBaseSalary(salary);
}
void BasePlusCommissionEmployee::setBaseSalary(
double salary)
{
if (salary >= 0.0)
baseSalary = salary;
else
throw invalid_argument("Salary must be >= 0.0");
}
double BasePlusCommissionEmployee::getBaseSalary() const
{
return baseSalary;
}
double BasePlusCommissionEmployee::earnings() const
{
return baseSalary + (getCommissionRate() * getGrossSales());//使用get函数访问
}
void BasePlusCommissionEmployee::print() const
{
cout << "base-salaried commission employee : " << getFirstName() << ' '
<< getLastName() << "\nsocial security number : "
<< getSocialSecurityNumber() << "\ngross sales : " << getGrossSales()
<< "\ncommission rate :" << getCommissionRate()
<< "\nbase salary : " << baseSalary;
}
int main()
{
BasePlusCommissionEmployee
employee("Bob", "Lewis", "333-33-3333", 5000, 0.4, 3000);
cout << fixed << setprecision(2);
cout << "Employee information obtained by get functions : \n"
<< "\nFirst name is " << employee.getFirstName()
<< "\nLast name is " << employee.getLastName()
<< "\nSocial security number is "
<< employee.getSocialSecurityNumber()
<< "\nGross sales is " << employee.getGrossSales()
<< "\nCommission rate is " << employee.getCommissionRate()
<< "\nBase salary is " << employee.getBaseSalary() << endl;
employee.setBaseSalary(1000);
cout << "\nUpdated employee information output by print function : \n"
<< endl;
employee.print();
cout << "\n\nEmployee's earnings : " << employee.earnings()
<< endl;
}
