// SQLDlg.cpp : implementation file
//
#include "stdafx.h"
#include "SQL.h"
#include "SQLDlg.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()
/////////////////////////////////////////////////////////////////////////////
// CSQLDlg dialog
CSQLDlg::CSQLDlg(CWnd* pParent /*=NULL*/)
: CDialog(CSQLDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CSQLDlg)
m_name = _T("");
m_password = _T("");
m_server = _T("");
m_database = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CSQLDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CSQLDlg)
DDX_Text(pDX, IDC_NAME, m_name);
DDX_Text(pDX, IDC_PASSWORD, m_password);
DDX_Text(pDX, IDC_SERVER, m_server);
DDX_Text(pDX, IDC_DATABASE, m_database);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CSQLDlg, CDialog)
//{{AFX_MSG_MAP(CSQLDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CSQLDlg message handlers
BOOL CSQLDlg::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
return TRUE; // return TRUE unless you set the focus to a control
}
void CSQLDlg::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 CSQLDlg::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 CSQLDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CSQLDlg::OnOK()
{
// TODO: Add extra validation here
UpdateData();
bConnect=ConnectDB();
if(bConnect)
{
CDialog::OnOK();
CUser dlg;
dlg.DoModal ();
}
CDialog::OnOK();
}
BOOL CSQLDlg::ConnectDB()
{
HRESULT hr;
_bstr_t bt;
BOOL m_bConnected=FALSE;
bt=(_bstr_t)"Provider=SQLOLEDB.1;Persist Security Info=False;User ID="+(_bstr_t)m_name+(_bstr_t)";Password="+(_bstr_t)m_password+(_bstr_t)";Initial Catalog="+(_bstr_t)m_database+(_bstr_t)";Data Source="+(_bstr_t)m_server;
CoInitialize(NULL); //Initialize COM
try{
hr=cn.CreateInstance(__uuidof(Connection));
ASSERT(SUCCEEDED(hr));
hr=cn->Open (bt,_bstr_t(""),_bstr_t(""),adModeUnknown);
ASSERT(SUCCEEDED(hr));
//AfxMessageBox("数据库连接成功!");
m_bConnected=TRUE;
}
catch ( _com_error ){
AfxMessageBox("数据库连接失败,请与系统管理员联系!");
}
return m_bConnected;
}
void CSQLDlg::DisconnectDB()
{
if(bConnect)
{
cn->Close ();
}
CoUninitialize();
}
void CSQLDlg::OnCancel()
{
// TODO: Add extra cleanup here
DisconnectDB();
CDialog::OnCancel();
}
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