piece.h

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

#ifndef piece_h
#define piece_h
#include "employee.h"

class PieceWorker:virtual public Employee
{
public:
  PieceWorker(const char *,const char *,float,char);
  PieceWorker(float,char);
  ~PieceWorker();
  void earnings();
  void setType(char);
  void setQuantity(int);
  static PieceWorker *getFirst() const;
  virtual Employee *getNext() const;
  static int getAmount() const;
  static long int getTotalM() const;
  virtual int getSalary() const;
  static void delAll();
  static void printList(int,int,int);
  static void saveList(ofstream &);
  virtual void display(ostream &) const;
protected:
  int perPiece;
  int quantity;
  int salary;
  char type;
  static long int totalM;
private:
  static int amount;
  static PieceWorker *first;
  static PieceWorker *end;
  PieceWorker *next;
};

#endif