labour.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 "labour.h"
#include "lpiece.h"

int LabourWorker::amount=0;
long int LabourWorker::totalM=0;
LabourWorker *LabourWorker::first=0;
LabourWorker *LabourWorker::end=0;
LabourWorker::LabourWorker(const char* pFirst,const char* pLast,float tBonus=0.0)
      :Employee(pFirst,pLast)
{
  bonus=tBonus;
  wages=800;
  if(first==0)
    first=this;
  else
    end->next=this;
  end=this;
  end->next=0;
  amount++;
  earnings();
}

LabourWorker::LabourWorker(float tBonus=0.0)
	    :Employee(" "," ")
{
  bonus=tBonus;
  wages=800;
  amount++;
  earnings();
}

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

void LabourWorker::earnings()
{
  salary=wages+bonus;
  totalM+=salary;
  Employee::totalM+=salary;
}

void LabourWorker::setBonus(int tBonus)
{
  totalM-=salary;
  Employee::totalM-=salary;
  bonus=tBonus;
  earnings();
}

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

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

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

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

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

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

void LabourWorker::printList(int x,int y,int lines)
{
  lines=lines/2;
  int i=1;
  LabourWorker *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 LabourWorker::saveList(ofstream &fout)
{
  LabourWorker *p;
  LabourAndPiece *pl;
  fout<<"Labour: "<<(p->amount-pl->getAmount())<<endl;
  for (p=p->first;p;p=p->next)
    fout<<p->firstName<<" "<<p->lastName<<" "<<p->bonus<<endl;
}

void LabourWorker::display(ostream &out) const
{
  Employee::display(out);
  out<<"  Labour Worker"<<endl;
  out<<"BaseWages: "<<wages<<"  Bonus: "<<bonus<<"  Salary:"<<setw(6)<<salary<<endl;
}