lyfz_repos/经典版源码/AdoImpl/ADOCommand.h

/*************************************************************
/* Copyright (C), 2014-2020, lyfz. Co., Ltd.
/* 文件名:		**.h
/* 作者:		Jeff.w			 
/* 创建日期:	2014-08-16
/* 版本号:		V1.0
/* 描述:		核心层底,数据库ADO编程
/* 其它:  
/* 主要类模块: 
/* 历史修改记录: 
/*		作者           时间              版本           描述
/*	    Jeff.w         14/08/16          1.0	      创建这个模块
***************************************************************/

#ifndef __ADO_COMMAND_HEADER__
#define __ADO_COMMAND_HEADER__

#pragma once
#include "AdoDef.h"
#include "ADODatabase.h"
#include "ADOParameter.h"

class CADOCommand
{
public:
	enum cadoCommandType
	{
		typeCmdText = adCmdText,
		typeCmdTable = adCmdTable,
		typeCmdTableDirect = adCmdTableDirect,
		typeCmdStoredProc = adCmdStoredProc,
		typeCmdUnknown = adCmdUnknown,
		typeCmdFile = adCmdFile
	};

	CADOCommand(CADODatabase* pAdoDatabase, CString strCommandText = _T(""), int nCommandType = typeCmdStoredProc);

	virtual ~CADOCommand()
	{
		::SysFreeString(m_pCommand->CommandText);
		m_pCommand.Release();
		m_pCommand = NULL;
		m_strCommandText = _T("");
	}

	void SetTimeout(long nTimeOut){m_pCommand->PutCommandTimeout(nTimeOut);};
	void SetText(CString strCommandText);
	void SetType(int nCommandType);

	BOOL AddParameter(CADOParameter* pAdoParameter);
	BOOL AddParameter(CString strName, int nType, int nDirection, long lSize, int nValue);
	BOOL AddParameter(CString strName, int nType, int nDirection, long lSize, long lValue);
	BOOL AddParameter(CString strName, int nType, int nDirection, long lSize, double dblValue, int nPrecision = 0, int nScale = 0);
	BOOL AddParameter(CString strName, int nType, int nDirection, long lSize, CString strValue);
	BOOL AddParameter(CString strName, int nType, int nDirection, long lSize, COleDateTime time);
	BOOL AddParameter(CString strName, int nType, int nDirection, long lSize, _variant_t vtValue, int nPrecision = 0, int nScale = 0);

	// inline func;
	inline int GetType(){return m_nCommandType;};
	inline CString GetText(){return m_strCommandText;};
	BOOL Execute(int nCommandType = typeCmdStoredProc);
	int GetRecordsAffected(){return m_nRecordsAffected;};
	inline _CommandPtr GetCommand(){return m_pCommand;};

protected:
	void dump_com_error(_com_error &e);

protected:
	_CommandPtr m_pCommand;
	int m_nCommandType;
	int m_nRecordsAffected;
	CString m_strCommandText;
	CString m_strLastError;
	DWORD m_dwLastError;
};
#endif