09 클래스(3)-판매 실습,얕은복사

1.Salesman 클래스

(1)Salesman.h

#pragma once
#include<string>
using namespace std;
class Salesman
{
private:
	string name;
	double sales;
public:
	Salesman();
	~Salesman();
	Salesman(string name, double sales);
	void setName(string name);
	void readInput();
	string getSalesmaninfo();
	double getSales() {
		return sales;
	}
};

 

(2)Salesman.cpp

#include "Salesman.h"
#include<iostream>

Salesman::Salesman()
	:name("noname"),sales(0.0)
{
}

Salesman::~Salesman()
{
}

Salesman::Salesman(string name, double sales)
	:name(name),sales(sales)
{
}

void Salesman::setName(string name)
{
	this->name = name;
	this->sales = sales;
}

void Salesman::readInput()
{
	cout << "이름과 판매액을 입력 하세요 : ";
	cin >> name >> sales;
}

string Salesman::getSalesmaninfo()
{
	return "이름 : "+this->name +",판매액 : "+to_string(this->sales);
}

 

2.SalesReport 클래스

(1)SalesReport.h

#pragma once
#include "salesman.h"
class SalesReport
{
private:
	Salesman*team;
	double highestSales;
	double averageSales;
	int highestSalesindex;
	int number;
public:
	SalesReport();
	~SalesReport();
	SalesReport(int number);
	void computeStats();
	Salesman& getBestClerk();
	string getTeaminfo();
	SalesReport& getTeam();

};

 

(2)SalesReport.cpp

#include "SalesReport.h"

SalesReport::SalesReport()
	:number(0),team(NULL)
{

}

SalesReport::~SalesReport()
{
	if(team!=NULL)
		delete[] team;
}

SalesReport::SalesReport(int number)
	:number(number)
{
	team = new Salesman[number];
	for (int i = 0; i < number; i++) {
		team[i].readInput();

	}
}

void SalesReport::computeStats()
{
	this->highestSalesindex = 0;
	this->highestSales = team[0].getSales();
	this->averageSales = team[0].getSales();
	for (int i = 1; i < number; i++) {
		averageSales += team[i].getSales();
		if (this->highestSales < team[i].getSales()) {
			this->highestSales = team[i].getSales();
			this->highestSalesindex = i;
		
		}
	}
	this->averageSales = this->averageSales / this->number;

}

Salesman& SalesReport::getBestClerk()
{
	return team[this->highestSalesindex];
}

string SalesReport::getTeaminfo()
{
	return to_string(this->number);
}

SalesReport& SalesReport::getTeam()
{
	// TODO: 여기에 반환 구문을 삽입합니다.
	return *this;

}

 

3.main 함수(얕은복사의 오류)

#include "SalesReport.h"
#include<iostream>
using namespace std;

int main() {
	/*SalesReport team1(3);
	team1.computeStats();
	team1.getBestClerk().setName("우수사원");
	cout << team1.getBestClerk().getSalesmaninfo() << endl;*/

	//멤버 복사(얕은복사)
	/*Salesman greenjoa1("홍길동", 100);
	Salesman greenjoa2(greenjoa1);
	cout << greenjoa1.getSalesmaninfo() << endl;
	cout << greenjoa2.getSalesmaninfo() << endl;
*/

	//얕은복사에서 소멸할 때 문제가 생김
	SalesReport team1(3);
	SalesReport team2(team1);

	cout << team1.getTeaminfo() << endl;
	cout << team2.getTeaminfo() << endl;
	return 0;
}

 

※얕은복사를 하면 아래와 같은 상황이 되어 

소멸할 때 문제가 발생함