VC++自动配置ODBC数据源

【核心代码】

#include "stdafx.h"
#include "CollocateODBC.h"
#include "CollocateODBCDlg.h"
#include "winbase.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCollocateODBCDlg dialog

CCollocateODBCDlg::CCollocateODBCDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCollocateODBCDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCollocateODBCDlg)
	m_name = _T("");
	m_server = _T("");
	m_sql = _T("");
	m_odbc = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCollocateODBCDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCollocateODBCDlg)
	DDX_Text(pDX, IDC_EDIT1, m_name);
	DDX_Text(pDX, IDC_EDIT2, m_server);
	DDX_Text(pDX, IDC_EDIT3, m_sql);
	DDX_Text(pDX, IDC_EDIT4, m_odbc);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCollocateODBCDlg, CDialog)
	//{{AFX_MSG_MAP(CCollocateODBCDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_COLLOCATE, OnCollocate)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCollocateODBCDlg message handlers

BOOL CCollocateODBCDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	long Length;
	char buffer[128];
	Length = GetSystemDirectory(buffer,128);
	SysPath = buffer;
	SysPath = SysPath   "\\sqlsrv32.dll";
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCollocateODBCDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CCollocateODBCDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon   1) / 2;
		int y = (rect.Height() - cyIcon   1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CCollocateODBCDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCollocateODBCDlg::OnCollocate() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	if(m_name.IsEmpty() || m_server.IsEmpty() || m_sql.IsEmpty() || m_odbc.IsEmpty())
	{
		MessageBox("数据不能为空！");
		return;
	}
	//注册数据源名
	HKEY hKey;
	RegOpenKeyEx(HKEY_CURRENT_USER,"SOFTWARE\\ODBC\\ODBC.INI",0,0,&hKey);
	CString strSubKey="SOFTWARE\\ODBC\\ODBC.INI\\" m_odbc;
	RegCreateKey(HKEY_CURRENT_USER,strSubKey,&hKey);
	//注册ODBC驱动程序
	CString driver=SysPath;
	RegSetValueEx(hKey,"Database",0,REG_SZ,(const unsigned char *)((LPCTSTR)m_sql),strlen((LPCTSTR)m_sql) 1);
	RegSetValueEx(hKey,"Driver",0,REG_SZ,(const unsigned char *)((LPCTSTR)driver),strlen((LPCTSTR)driver) 1);
	RegSetValueEx(hKey,"LastUser",0, REG_SZ,(const unsigned char *)((LPCTSTR)m_name),strlen((LPCTSTR)m_name) 1);
	RegSetValueEx(hKey,"Server",0,REG_SZ,(const unsigned char *)((LPCTSTR)m_server),strlen((LPCTSTR)m_server) 1);
	RegSetValueEx(hKey,"Trusted_Connection",0,REG_SZ,(const unsigned char *)((LPCTSTR)"Yes"),3);
	//驱动Server ODBC数据源
	RegOpenKeyEx(HKEY_CURRENT_USER,"Software\\ODBC\\ODBC.INI\\ODBC Data Sources",0,0,&hKey);
	RegCreateKey(HKEY_CURRENT_USER,"Software\\ODBC\\ODBC.INI\\ODBC Data Sources",&hKey);
	RegSetValueEx(hKey,m_odbc,0, REG_SZ,(const unsigned char *)((LPCTSTR)"SQL Server"),10);
	MessageBox("ODBC数据源配置成功！","系统提示");
}