piece1.cpp

这是研究c＋＋中多太性的实例

//piece1.cpp
//类PieceWorker的成员函数的定义
#include <iostream.h>
#include <assert.h>
#include "employ2.h"
#include "piece1.h"

//类PieceWorker的构造函数
PieceWorker:: PieceWorker(const char *first, const char *last, float w, int q)
 :Employee(first, last)	//调用基类的构造函数
{
	wagePetPiece=w>0?w:0;
	quantity=q>0?q:0;
}

//设置每件产品的回扣额
void PieceWorker:: setWage(float w)
{
	wagePetPiece=w>0?w:0;
}

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

//计算并返回PieceWorker每周的薪水
float PieceWorker:: earnings() const
{
	return wagePetPiece*quantity;
}

//打印PieceWorker的信息
void PieceWorker:: print() const
{
	cout<<"\nPieceWorker: "<<getFirstName()<<' '<<getLastName();
}