door.cpp

这是一个模拟电梯的程序

#include<iostream>

using std::cout;
using std::endl;

#include "door.h"
#include "person.h"
#include "floor.h"
#include "elevator.h"

Door::Door()
  :open(false)
{
	cout<<"door constructed"<<endl;
}

Door::~Door()
{
	cout<<"door destructed"<<endl;
}

void Door::openDoor(Person * const passengerPtr,
					Person * const nextPassengerPtr,Floor &currentFloor,
					Elevator &elevator)
{
	if (!open){
		open=true;

		cout<<"elevator opens its door on floor"
			<<currentFloor.getNumber()<<endl;

		if (passengerPtr!=0){
			passengerPtr->exitElevator(currentFloor,elevator);
			delete passengerPtr;
		}
		
		if (nextPassengerPtr!=0)
			nextPassengerPtr->enterElevator(elevator,currentFloor)
	}
  
}

void Door::closeDoor(const Floor &currentFloor)
{
	if (open){
		open=false;
		cout<<"elevator closes its door on floor"
			<<currentFloor.getNumber()<<endl;
	}
}