myfunction.cpp

这是一个信息管理系统的源代码

#include "stdafx.h"
#include "a1.h"
#include "myfunction.h"
#include "DrawDlg.h"
#include "ScrollPrintView.h"
_ConnectionPtr LRunSql::m_database;
LRunSql::LRunSql()
{

	m_recordset.CreateInstance(__uuidof(Recordset));
	
}
LRunSql::~LRunSql()
{

}
bool LRunSql::RunSQL(CString sql)
{
	
	_bstr_t sql_=sql;
	try{
	m_recordset=m_database->Execute(sql_,NULL,adCmdText);
	}
	catch(_com_error& e)
	{
		ErrorsPtr pErrors=m_database->GetErrors();
		if (pErrors->GetCount()==0)
		{
			//AfxMessageBox(e.ErrorMessage());
			afxDump<<e.ErrorMessage();
		}
		else
		{
			for (int i=0;i<pErrors->GetCount();i++)
			{
				_bstr_t desc=pErrors->GetItem((long)i)->GetDescription();
			//	AfxMessageBox(desc);
				afxDump<<(char*)desc;
			}
		}
		return false;

	}
	return true;
	
}
bool LRunSql::CheckSQLResult(CString sql)
{
	if(!this->RunSQL(sql)) 
		return false;
	else
	{
		if(!this->m_recordset->adoEOF)
			return true;
		else
			return false;
	}
	return true;
}
void DateToInt(CString date,int& year,int& month,int& day)
{
	int a_1=date.Find('-',0);
	int a_2=date.Find('-',5);

	CString y=date.Mid(0,4);
	CString m=date.Mid(a_1+1,a_2-a_1);
	CString d=date.Mid(a_2+1,date.GetLength()-a_2);

	year=atoi(y);
	month=atoi(m);
	day=atoi(d);
}
bool OpenPrintFrame(CWnd* parent,CDrawDlg * m_draw)
{
	CA1App* app=(CA1App*)AfxGetApp();
	ASSERT(app!=NULL);
	if(app->pDocTemplate->m_frame!=NULL)
		return true;
	app->pDocTemplate->SetFrameParent(parent);//NULL
	try{
	//	app->pDocTemplate->OpenDocumentFile(NULL);

	app->m_pDocManager->OnFileNew();
	//	app->OnFileNew();
	}
	catch(...)
	{
		app->Dump(afxDump);
		return false;
	}
	CMyFrame * temp=NULL;
	temp=app->pDocTemplate->GetMyFrame();

	if(temp==NULL||temp->m_hWnd==NULL)
	{
		AfxMessageBox("打印出错！");
		return false;
	}
	ASSERT_KINDOF(CMyFrame,temp);

	CString strTitle;
	parent->GetWindowText(strTitle);
	temp->SetWindowText(strTitle);
//	AfxMessageBox(temp->GetTitle());
	temp->SetTitle(strTitle);
	
	CScrollPrintView* pView=(CScrollPrintView*)temp->GetActiveView();

	pView->SelectDrawDlg(m_draw);
	return true;
}

bool LRunSql::ConnectDataBase()
{
	try{
	m_database->Open(L"yaopin","","",-1);
	}
	catch(...)
	{
		::ShellExecute(NULL,"open","AutoConfig.exe",NULL,NULL,SW_HIDE);
		return false;	
	}  
	return true;
}

bool LRunSql::InitConnectPtr()
{
	::CoInitializeEx(NULL,COINIT_APARTMENTTHREADED);
	if(FAILED(m_database.CreateInstance(__uuidof(Connection))))
		return false;
	if(ConnectDataBase()==false)
	{
		::Sleep(1000);	
		if(ConnectDataBase()==false)
		{
			MessageBox(NULL,"系统试图自动为您配置ODBC，但由于一些原因没有完成，请手工配置！","系统提示",MB_OK|MB_ICONSTOP);
			return false;
		}
	}
	return true;
}

bool LRunSql::Close()
{
	return (!FAILED(m_database->Close()));

}

bool LRunSql::BeginTrans()
{
return (!FAILED(m_database->BeginTrans()));

}

bool LRunSql::CommitTrans()
{
return (!FAILED(m_database->CommitTrans()));

}
bool LRunSql::RollbackTrans()
{
return (!FAILED(m_database->RollbackTrans()));

}