hourly.cpp

1、 模拟一间公司（有普通工人、经理、销售员、计时工人和计件工人）的雇员月工资单管理系统

#include <iostream.h>
#include <conio.h>
#include <iomanip.h>
#include <graphics.h>
#include <string.h>
#include "hourly.h"

int HourlyWorker::amount=0;
long int HourlyWorker::totalM=0;
HourlyWorker *HourlyWorker::first=0;
HourlyWorker *HourlyWorker::end=0;
HourlyWorker::HourlyWorker(const char *pFirst,const char *pLast,float tHours)
	    :Employee(pFirst,pLast)
{
  hours=tHours;
  perHour=10;
  if(first==0)
    first=this;
  else
    end->next=this;
  end=this;
  end->next=0;
  amount++;
  earnings();
}

HourlyWorker::~HourlyWorker()
{
  amount--;
  totalM-=salary;
  Employee::totalM-=salary;
  if(first==this)
    first=this->next;
  else
    for(HourlyWorker *p=first;p;p=p->next)
    if(p->next==this) p->next=this->next;
}

void HourlyWorker::earnings()
{
  salary=hours*perHour;
  totalM+=salary;
  Employee::totalM+=salary;
}

void HourlyWorker::setHours(int tHours)
{
  totalM-=salary;
  Employee::totalM-=salary;
  hours=tHours;
  earnings();
}

HourlyWorker *HourlyWorker::getFirst() const { return first;}

Employee *HourlyWorker::getNext() const{ return next;}

int HourlyWorker::getAmount() const { return amount;}

long int HourlyWorker::getTotalM() const { return totalM;}

int HourlyWorker::getSalary() const { return salary;}

void HourlyWorker::delAll()
{
  HourlyWorker *p;
  for(p=p->first;p;p=p->next)delete p;
}

void HourlyWorker::printList(int x,int y,int lines)
{
  int i=1;
  lines/=2;
  HourlyWorker *p;
  for (p=p->first;p;p=p->next)
  {
    cout<<*p;
    if(i%lines==0)
    {
      cout<<endl<<"Press space to continue"<<endl;
      while(getch()!=32);
      gotoxy(x,y);
      setfillstyle(BLACK,COPY_PUT);
      bar(0,30,470,458);
    }
    i++;
  }
  cout<<endl<<"Press space to continue"<<endl;
  while(getch()!=32);
}

void HourlyWorker::saveList(ofstream &fout)
{
  HourlyWorker *p;
  fout<<"Hourly: "<<p->amount<<endl;
  for (p=p->first;p;p=p->next)
    fout<<p->firstName<<" "<<p->lastName<<" "<<p->hours<<endl;
}

void HourlyWorker::display(ostream &out) const
{
  Employee::display(out);
  out<<"  Hourly Worker"<<endl;
  out<<"WagesPerHour: "<<perHour<<" Hours: "<<hours<<" Salary:"<<setw(6)<<salary<<endl;
}