question.h

用VC编的学生成绩管理系统,包括成绩录入和分数的计算等功能.

// Creat a class of questions:
enum {Sel,Fil,Wri};
class QuestionBase    // Base Class
{
public:
	CString qname;    // Used to store the name of the questions.
	CString qtext;    // Used to store the text of the questions.
	float qdif;       // Used to store the difficult level.
	CString style;        // The style of the question.
public:
	QuestionBase();
	~QuestionBase();
private:

};
class QuestionSel: public QuestionBase  // Selective Question Class
{
public:
	char qans;        // The answer of the question.
	static int num;   // The number of this kind of questions.
public:
	QuestionSel();
	~QuestionSel();
};
class QuestionFil: public QuestionBase  // Fill in Blank Question Class
{
public:
	CString qans;
	static int num;   // The number of this kind of questions.
public:
	QuestionFil();
	~QuestionFil();
};
class QuestionWri: public QuestionBase  // Writing Answer Question Class
{
public:
	CString qans;
	static int num;   // The number of this kind of questions.
public:
	QuestionWri();
	~QuestionWri();
};