basepluscommissionemployee.cpp

来自「是有关C++编程原理教程的例子程序,全,应该对大家有所帮助」· C++ 代码 · 共 64 行

// Fig. 12.15: BasePlusCommissionEmployee.cpp
// Class BasePlusCommissionEmployee member-function definitions.
#include <iostream>
using std::cout;

// BasePlusCommissionEmployee class definition
#include "BasePlusCommissionEmployee.h"

// constructor
BasePlusCommissionEmployee::BasePlusCommissionEmployee( 
   const string &first, const string &last, const string &ssn, 
   double sales, double rate, double salary ) 
   // explicitly call base-class constructor
   : CommissionEmployee( first, last, ssn, sales, rate )
{
   setBaseSalary( salary ); // validate and store base salary
} // end BasePlusCommissionEmployee constructor

// set base salary
void BasePlusCommissionEmployee::setBaseSalary( double salary )
{
   baseSalary = ( salary < 0.0 ) ? 0.0 : salary;
} // end function setBaseSalary

// return base salary
double BasePlusCommissionEmployee::getBaseSalary() const
{
   return baseSalary;
} // end function getBaseSalary

// calculate earnings
double BasePlusCommissionEmployee::earnings() const
{
   // can access protected data of base class
   return baseSalary + ( commissionRate * grossSales );
} // end function earnings

// print BasePlusCommissionEmployee object
void BasePlusCommissionEmployee::print() const
{
   // can access protected data of base class
   cout << "base-salaried commission employee: " << firstName << ' ' 
      << lastName << "\nsocial security number: " << socialSecurityNumber 
      << "\ngross sales: " << grossSales 
      << "\ncommission rate: " << commissionRate 
      << "\nbase salary: " << baseSalary;
} // end function print


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