employee.h

职工管理系统：包括职工查找、排序、编辑等

//=================================employee.h===============================================
extern int employee_number;                                            //职工数;
                                                                      

class Employee                                                         //职工信息
{ 
public: 
	char ID[20];                                                       //工作号码
	char name[20];                                                     //姓名;
	char sex;                                                          //性别;
	char edu_level;                                                    //学历;
	char duty;                                                         //职务;
	int  year_Born;                                                    //出生年份;
	int  month_Born;                                                   //出生月份;
	int  year_W;                                                       //工作年份;
	int  month_W;                                                      //工作月份;
	char tel[20];                                                      //电话号码;
};

class Operat                                                           //职工信息管理类;
{
public:
	Operat();                                                          //构造函数,
	Employee * Create();                                               //创建职工信息;
	void display();                                                    //显示职工信息;
    void find1();                                                      //查询职工信息;
	void find2();                                                      //查询职工信息;
	void change();                                                     //修改职工信息
	void insert();                                                     //插入职工信息;
	void dele();                                                       //删除职工信息;	
};


class Sort                                                             //排序基类;
{
public:	
	virtual void sortf(Employee *,int ){};                            //排序虚函数;	
};

class BubbleSort:public Sort                                           //冒泡排序子类;
{
public:
	void sortf(Employee *,int);
};

class InsertSort:public Sort                                           //折半查找排序子类;
{
public:
	void sortf(Employee *,int);
};

class QuickSort:public Sort                                            //快速排序子类;
{
public:
	void sortf(Employee *,int);
	void QSort (Employee * , int , int );
    int  Partition (Employee *, int , int);    
};

class HeapSort                                                         //堆排序子类;
{
public:
	void sortf(Employee *,int);
    void HeapAdjust (Employee *, int , int );
	
};