commission.cpp

C++大学简明教程,解压就行没有密码。希望对大家有用

// Exercise 17.11: Commission.cpp
// CommissionEmployee class member-function definitions.
#include <iostream> // required to perform C++-style stream I/O

using namespace std; // for accessing C++ Standard Library members

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

// CommissionEmployee constructor 
CommissionEmployee::CommissionEmployee( string &first,
   string &last, string &socialSecurityNumber,
   double grossWeeklySales, double percent )
   : Employee( first, last, socialSecurityNumber )  
{
   setGrossSales( grossWeeklySales );
   setCommissionRate( percent );

} // end CommissionEmployee constructor

// return commission worker's rate
double CommissionEmployee::getCommissionRate()
{
    return commissionRate;

} // end function getCommissionRate

// return commission worker's gross sales amount
double CommissionEmployee::getGrossSales()
{
    return grossSales;

} // end function getGrossSales

// set commission worker's weekly base salary
void CommissionEmployee::setGrossSales( double sales ) 
{ 
   // ensure a valid sales value
   if ( sales < 0.0 )
   {
      grossSales = 0.0; 
   } // end if
   else
   {
      grossSales = sales;
   } // end else

} // end function setGrossSales

// set commission worker's commission
void CommissionEmployee::setCommissionRate( double rate )
{ 
   // ensure a valid comission rate
   if ( rate > 0.0 && rate < 1.0 )
   {
      commissionRate = rate; 
   } // end if
   else
   {
      commissionRate = 0.0; 
   } // end else

} // end function setCommissionRate

// calculate commission worker's earnings
double CommissionEmployee::earnings()
{ 
   return getCommissionRate() * getGrossSales(); 

} // end function earnings

// print commission worker's name 
void CommissionEmployee::print()
{
   cout << "\nCommission employee: ";
   Employee::print(); // code reuse

} // end function print

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