[Ｃ++] 期末考Program12.6

[lty518 (小a)]

// program12.6.cpp : 定義主控台應用程式的進入點。
//

#include "stdafx.h"
#include "iostream"
using namespace std;
const int MAXFLOOR =15;

//class declartion
class   Elevator
{
        private:
                int currentFloor;
        public:
                Elevator(int =1);       //constructor
                void request(int);
};

//implementation section
Elevator ::Elevator(int cfloor)
{
        currentFloor = cfloor;
}

void Elevator ::request(int newfloor)
{
        if (newfloor <1 || newfloor >MAXFLOOR || newfloor == currentFloor)
                ;       //doing nothing
        else if (newfloor > currentFloor)// move elevator up
        {
                cout<<"\n Starting at floor " <<currentFloor <<endl;
                while(newfloor > currentFloor)
                {
                        currentFloor++; //add one to current floor
                        cout<< "Going UP - now at floor "<<currentFloor <<endl;
                }
                cout << "Stopping at floor "<<currentFloor<<endl;
        }
        else // move elevator down
        {
                cout<<"\n Starting at floor " <<currentFloor <<endl;
                while(newfloor < currentFloor)
                {
                        currentFloor--; //add one to current floor
                        cout<< "Going Down - now at floor "<<currentFloor <<endl;
                }
                cout << "Stopping at floor "<<currentFloor<<endl;
        }
}

int _tmain(int argc, _TCHAR* argv[])
{
        Elevator a;             //declare 1 object of type Elevator

        a.request(6);
        a.request(3);
        system("pause");
        return 0;
}


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