addrecord.h

本系统实现了简单的点歌功能

// AddRecord.h: interface for the CAddRecord class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_ADDRECORD_H__AC3D222D_DA8B_44A9_A851_EDBD14E565F1__INCLUDED_)
#define AFX_ADDRECORD_H__AC3D222D_DA8B_44A9_A851_EDBD14E565F1__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

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

protected:
	CString m_songpath;
    static _ConnectionPtr m_pConnectionPtr;  //连接数据库的指针
 
protected:
 	BOOL PointerIsNull(void);
  
public:
	//从外界得到连接到数据的指针
	void SetConnectionPtr(_ConnectionPtr pConnectionPtr); 
	_RecordsetPtr GetRecordsetPtr(LPCTSTR lpszsql);
    //所选取歌曲表操作
 	LPCTSTR GetSongPath(int nIndex);
 	int  SaveRecord(int nID, LPCTSTR lpszUsername, _variant_t vtSongname, 
		_variant_t vtSinger, LPCTSTR lpszPlayseq = "0", 
		LPCTSTR lpszPlayed = "0", BOOL bPlayed = false);
 	BOOL DeleteAllRecord(LPCTSTR lpszUsername);
 	BOOL DeleteRecord(int nID);

};

#endif // !defined(AFX_ADDRECORD_H__AC3D222D_DA8B_44A9_A851_EDBD14E565F1__INCLUDED_)