hstudatabase.h

来自「vc编写的简单的学生成绩管理系统」· C头文件 代码 · 共 54 行

//////////////////////////////////////////////////
// the student system's database
// hStuDataBase.h

#ifndef _STUDATABASE_H
#define _STUDATABASE_H

#include "hStudent.h"

#define MAX_STU 1000

class CStuDataBase
{
public:   //constructor and destructor
	CStuDataBase();
	virtual ~CStuDataBase();

public:   //Interfaces: member functions
	void Initialize(char* pszDataBaseName = "C:\\StuDataBase.dat");
	bool AppendRecord(CStudent* pStudent);
	void Refresh();
	bool UpdateRecord(CStudent* pStudent,int iID);
	bool DeleteRecord(char* pszStuName);
	bool DeleteRecord(int iID);
	bool IsEmpty();
	bool IsFull();

	CStudent* FindRecord(char* pszStuName);
	CStudent* FindRecord(int iStuID);
	CStudent* FirstRecord();
	CStudent* LastRecord();
	CStudent* GetRecord(int iIndex);

	bool PostToDataBase();

	int GetRecordCount();

protected:
	int GetStuIndex(int iID);
	int GetStuIndex(char* pszStuName);

protected:
	CStudent m_stuObject[MAX_STU];
	char*    m_pszDataBaseName;
	int      m_RecordCount;
	FILE*    m_pfWriteFile;
	FILE*    m_pfReadFile;
	//bool     m_Connected;

};
#endif   // end _STUDATABAAE_H