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📄 comportr.cpp

📁 串口通信,R232.使用VC++ 编写.非常难得。欢迎大家传播下载
💻 CPP
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// ComPortR.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "ComPortR.h"
#include "ComPortRDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CComPortRApp

BEGIN_MESSAGE_MAP(CComPortRApp, CWinApp)
	//{{AFX_MSG_MAP(CComPortRApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CComPortRApp construction

CComPortRApp::CComPortRApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CComPortRApp object

CComPortRApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CComPortRApp initialization

BOOL CComPortRApp::InitInstance()
{
	AfxEnableControlContainer();
	
	DataSource = "TEXT";
	UserID = "sa";
	PassWord =" ";

	if (!AfxOleInit())
	{
		AfxMessageBox("初始化OLE DLL失败:(");
		return FALSE;
	}
	if(!ConnConfigDataB())
	{
		AfxMessageBox("连接数据库失败:(");
		return FALSE;
	}
	else{  AfxMessageBox("连接数据库成功:)");  }
	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	CComPortRDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}



BOOL CComPortRApp::ConnConfigDataB()
{
	//创建ADO连接
	ConnConfigDB.CreateInstance(__uuidof(Connection));
	CString strSQL,temp;
	//strSQL=_T("Provider=sqloledb;Data Source=FRANK;Initial Catalog=YaConfigDB;User Id=sa;Password=sa";);
	//strSQL="Provider=sqloledb;Data Source=FRANK;Initial Catalog=YaConfigDB;User Id=sa;Password=sa";
	strSQL="Provider=sqloledb;Data Source=";
	temp.Format("%s",DataSource);
	strSQL=strSQL+temp+";Initial Catalog=master;User Id=";
	temp.Format("%s",UserID);
	strSQL=strSQL+temp+";Password=";
	temp.Format("%s",PassWord);
	strSQL=strSQL+temp;
	//在ADO操作中建议语句中要常用try...catch()来捕获错误信息,
	//因为它有时会经常出现一些想不到的错误songMp3
	try                 
	{	
		ConnConfigDB->Open((_bstr_t)strSQL,"","",adModeUnknown);
	}
	catch (_com_error e)
	{
		CString strError;
		strError.Format("警告:打开连接发生异常。 错误信息: %s",e.ErrorMessage());
		AfxMessageBox(strError);
		return FALSE;
	}
	return TRUE;
}

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