commis1.cpp

这是研究c＋＋中多太性的实例

//commission.cpp
//定义类CommissionWorker的成员函数
#include <iostream.h>
#include <assert.h>
#include "employ2.h"
#include "commis1.h"

//类CommissionWorker的构造函数
CommissionWorker:: CommissionWorker(const char *first, const char *last,
									float s, float c, int q)
 :Employee(first, last)	//调用基类的构造函数
{
	salary=s>0?s:0;
	commission=c>0?c:0;
	quantity=q>0?q:0;
}

//设置销售员每周的基本工资
/*void CommissionWorker:: setSalary(float s)
{
	salary=s>0?s:0;
}*/
void CommissionWorker:: setSalary(float s)
{
	salary=s>0?s:0;
}

//设置每件产品的回扣额
void CommissionWorker:: setCommission(float c)
{
	commission=c>0?c:0;
}


//设置每周的销售额
void CommissionWorker:: setQuantity(int q)
{
	quantity=q>0?q:0;
}

//计算雇员CommissionWorker的薪水
 float CommissionWorker:: earnings() const
 {
	return salary+commission*quantity;
 }

 //打印雇员CommissionWorker的信息
 void CommissionWorker:: print() const
 {
	cout<<"\nCommissionWorker:"<<getFirstName()<<' '<<getLastName();
 }