storage.h

摘要：本文是笔者根据数据库编程经验

// Storage.h: interface for the CStorage class.

#pragma once

#include "Entity.h"

class CStorage
{
public:
	CStorage();
	virtual ~CStorage();

private:
	CAdoConnection* m_pConn;
	CString m_strConn;
	long m_iTimeOut;
	
public:
	void SetConnString(const CString& strConn);
	void SetTimeCout(long iTimeOut);

	CAdoConnection* GetConn() const;
	
	BOOL Initialize(void);
	void Close(void);

	BOOL   SaveEntity(CEntity* pEntity);
	BOOL   ReadEntity(CEntity* pEntity);
	BOOL ModifyEntity(CEntity* pEntity);
	BOOL DeleteEntity(CEntity* pEntity);
};