rxado.cpp

短信防伪系统服务器端

// RxADO.cpp: implementation of the CRxADO class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "EasyTradeService.h"

#include "RxADO.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
_ConnectionPtr cnn;
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CRxADO::CRxADO()
{
}

CRxADO::~CRxADO()
{
}

void CRxADO::Close()
{
	cnn->Close();
}

CString CRxADO::AutoNumber(CString sTable, CString sFieldName, CString sCode, int nStyle)
{
	return "";
}

CString CRxADO::FieldToOtherField(CString cDataBaseName, CString cFieldName, CString cValue, CString cReturnField, int nStale)
{
	return "";
}

bool CRxADO::SetConnection(CString LinkString)
{
	::CoInitialize(NULL);
	cnn=NULL;
	cnn.CreateInstance(__uuidof(Connection));
	cnn->ConnectionString=(_bstr_t)LinkString;//设置连接字符串
	try{
		cnn->Open(L"",L"",L"",adCmdUnspecified);//打开数据库，异步打开
	}
	catch(_com_error& e)
	{
		ErrorsPtr pErrors=cnn->GetErrors();
		if (pErrors->GetCount()==0)
		{	
			CString ErrMsg=e.ErrorMessage();
			MessageBox(NULL,"发生错误:\n\n"+ErrMsg,"系统提示",MB_OK|MB_ICONEXCLAMATION);	
			return false;
		}
		else
		{
			for (int i=0;i<pErrors->GetCount();i++)
			{
				_bstr_t desc=pErrors->GetItem((long)i)->GetDescription();
				MessageBox(NULL,"发生错误:\n\n"+desc,"系统提示",MB_OK|MB_ICONEXCLAMATION);
				return false;
			}
		}	
	}
	return true;
}

_ConnectionPtr CRxADO::GetConnection()
{
	return cnn;
}


void CRxADO::GetADOErrors(_com_error eErrors)
{
	ErrorsPtr pErrors=cnn->GetErrors();
	if (pErrors->GetCount()==0)	
		MessageBox(NULL,eErrors.ErrorMessage(),"错  误",MB_OK|MB_ICONEXCLAMATION);	
	else
	{
		for (int i=0;i<pErrors->GetCount();i++)
		{
			_bstr_t desc=pErrors->GetItem((long)i)->GetDescription();
			MessageBox(NULL,desc,"错  误",MB_OK|MB_ICONEXCLAMATION);
		}
	}
}