clsscoresheet.h

学生成绩管理系统。实现学生的添加 删除和各科成绩管理。

#ifndef CLASS_SCORE_SHEET
#define CLASS_SCORE_SHEET

const int NOT_CHOOSE_THIS_COURSE	=	-2;
const int NOT_EXAMINED				=	-1;
const int ERROR_RETURN_VALUE		=	-10;

#ifndef NULL
	#ifdef __cplusplus
		#define NULL 0
	#else
		#define NULL ((void *)0)
	#endif
#endif

struct scoretype
{
	int score;
	int point;
	char scorestr[7];
	char pointstr[6];
};

struct student
{
	char* num;
	char* name;
	scoretype* score;
};

struct course
{
	char* name;
	int coefficient;
};



class ScoreSheet
{
public:
	ScoreSheet();
	~ScoreSheet();
	
	int		GetColumnWidth(int index, bool sorted=false);

	int		AddStudent	();
	void	DelStudent	(int index, bool sorted=false);
	int		GetStudentCount()	{ return scnt; }
	int*	StudentSort	()		{ return ss; }

	void	SetStuNum	(int index, const char* newNum, bool sorted=false);
	void	SetStuName	(int index, const char* newName, bool sorted=false);
	void	SetScoreInt	(int StudentIndex, int CourseIndex, int Score, bool StudentSorted=false, bool CourseSorted=false, bool Recalculate=true);
	void	SetScore	(int StudentIndex, int CourseIndex, double Score, bool StudentSorted=false, bool CourseSorted=false) { SetScoreInt(StudentIndex,CourseIndex,int(Score*100.0+0.5),StudentSorted,CourseSorted); }
	void	Calculate	(int StudentIndex, bool Sorted=false);

	student* Stu		(int index, bool sorted=false);
	char*	GetStuNum	(int index, bool sorted=false);
	char*	GetStuName	(int index, bool sorted=false);
	int		GetScoreInt	(int StudentIndex, int CourseIndex, bool StudentSorted=false, bool CourseSorted=false);
	char*	GetScoreStr	(int StudentIndex, int CourseIndex, bool StudentSorted=false, bool CourseSorted=false);
	double	GetScore	(int StudentIndex, int CourseIndex, bool StudentSorted=false, bool CourseSorted=false) { return GetScoreInt(StudentIndex,CourseIndex,StudentSorted,CourseSorted)/100.0; }
	int		GetPointInt	(int StudentIndex, int CourseIndex, bool StudentSorted=false, bool CourseSorted=false);
	char*	GetPointStr (int StudentIndex, int CourseIndex, bool StudentSorted=false, bool CourseSorted=false);
	double	GetPoint	(int StudentIndex, int CourseIndex, bool StudentSorted=false, bool CourseSorted=false) { return GetPointInt(StudentIndex,CourseIndex,StudentSorted,CourseSorted)/10.0; }


	int		AddCourse	(const char* name=NULL, int coefficient=1);
	void	DelCourse	(int index, bool sorted=false);
	int		GetCourseCount() { return ccnt; }
	int*	CourseSort() {return sc; }

	void	SetCourseName		(int index, const char* newName, bool sorted=false);
	void	SetCourseCoefficient(int index, int newCoefficient, bool sorted=false);

	course* Cour			(int index, bool sorted=false);
	char*	GetCourseName	(int index, bool sorted=false);
	double	GetCourseCoefficient(int index, bool sorted=false);


private:
	ScoreSheet(ScoreSheet& copy);
	
	student **s;
	int scnt, smax, *ss;
	course *c;
	int ccnt, cmax, *sc, numwidth, namewidth;

	inline bool isbetween(int judge, int lower, int upper);
	inline int fixmultiple(int origin, int multiple);
	bool stuavailable(int id, bool sorted, int& idOriginal);
	bool couravailable(int id, bool sorted, int& idOriginal);

};

#endif