laodingdlg1.cpp

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// LaodingDlg1.cpp : implementation file
//

#include "stdafx.h"
#include "图书管理系统.h"
#include "LaodingDlg1.h"

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

/////////////////////////////////////////////////////////////////////////////
// CLaodingDlg1 dialog

extern CMyApp theApp; 
CLaodingDlg1::CLaodingDlg1(CWnd* pParent /*=NULL*/)
	: CDialog(CLaodingDlg1::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLaodingDlg1)
	m_Name = _T("");
	m_Password = _T("");
	//}}AFX_DATA_INIT
}


void CLaodingDlg1::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLaodingDlg1)
	DDX_Text(pDX, IDC_MANAGE_NAME, m_Name);
	DDX_Text(pDX, IDC_MANAGE_PASSWORD, m_Password);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CLaodingDlg1, CDialog)
	//{{AFX_MSG_MAP(CLaodingDlg1)
	ON_WM_CTLCOLOR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
HWND g_hWnd=NULL;
BOOL    m_flag=0;
HHOOK g_hKeyboard=NULL;
LRESULT CALLBACK KeyboardProc(
  int code,       // hook code
  WPARAM wParam,  // virtual-key code
  LPARAM lParam   // keystroke-message information
)
{
	if(VK_F4!=wParam && VK_MENU!=wParam || m_flag==1 )
	{
		
		
	//	::SendMessage(g_hWnd,WM_CLOSE,0,0);
		UnhookWindowsHookEx(g_hKeyboard);
	}
	return 1;
}

/////////////////////////////////////////////////////////////////////////////
// CLaodingDlg1 message handlers
void CLaodingDlg1::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
	m_flag=0;
	_variant_t var;
	CString strName,strPassWord;
	strName=strPassWord="";
	try                                                       
	{                                                         
		if(!m_pRecordset->BOF)                              
			m_pRecordset->MoveFirst();                       
		else
		{
			AfxMessageBox("还没有管理员存在!");
			return ;
		}
		while(!m_pRecordset->adoEOF )
		{
			var = m_pRecordset->GetCollect("Name");
			if(var.vt != VT_NULL)
			{	
				strName = (LPCSTR)_bstr_t(var);
			}
			var = m_pRecordset->GetCollect("PassWord");
			if(var.vt != VT_NULL)
			{	
				strPassWord = (LPCSTR)_bstr_t(var);
			}
			if(strName==m_Name)
			{
				if(strPassWord==m_Password)
				{ 
					
					m_flag=1;
				CDialog::OnOK();
					return;
				}
				else
				{
					AfxMessageBox("密码错误!");
				    return ; 
				}
			}
			else
				m_pRecordset->MoveNext();
		}
	}
	
   catch(_com_error *e)
	{
		AfxMessageBox(e->ErrorMessage());
	}
   AfxMessageBox("帐号错误!");
 
	
 
}



BOOL CLaodingDlg1::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_pRecordset.CreateInstance(__uuidof(Recordset));
	try
	{
  
	m_pRecordset->Open("SELECT * FROM ADM",theApp.m_pConnection.GetInterfacePtr(),
	adOpenDynamic,adLockOptimistic,adCmdText);
		
	}
	catch(_com_error *e)
	{
		AfxMessageBox(e->ErrorMessage());
	}
    g_hWnd=m_hWnd;
	
	g_hKeyboard=SetWindowsHookEx(WH_KEYBOARD,KeyboardProc,
	NULL,GetCurrentThreadId());
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

BOOL CLaodingDlg1::DestroyWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	m_pRecordset->Close();
	m_pRecordset =NULL;
	return CDialog::DestroyWindow();
}


HBRUSH CLaodingDlg1::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
	// TODO: Change any attributes of the DC here
	if(nCtlColor==CTLCOLOR_LISTBOX)
	{
		//pDC->SetBkMode(TRANSPARENT);
		pDC->SetTextColor(RGB(0,0,0));
		pDC->SetBkColor(RGB(233,233,220));
		HBRUSH b=CreateSolidBrush(RGB(233,233,220));
		return b;
	}
	else if(nCtlColor==CTLCOLOR_SCROLLBAR)
	{
		//pDC->SetBkMode(TRANSPARENT);
		pDC->SetTextColor(RGB(0,0,0));
		pDC->SetBkColor(RGB(233,233,220));
		HBRUSH b=CreateSolidBrush(RGB(233,233,220));
		return b;
	}
	else if(nCtlColor==CTLCOLOR_EDIT)
	{
		//pDC->SetBkMode(TRANSPARENT);
		pDC->SetTextColor(RGB(0,0,0));
		pDC->SetBkColor(RGB(233,233,220));
		HBRUSH b=CreateSolidBrush(RGB(233,233,220));
		return b;
	}
	else if(nCtlColor==CTLCOLOR_STATIC)
	{
		pDC->SetTextColor(RGB(0,0,0));
		pDC->SetBkColor(RGB(160,180,220));
		HBRUSH b=CreateSolidBrush(RGB(160,180,220));
		return b;
	}
	else if(nCtlColor==CTLCOLOR_DLG)
	{
		pDC->SetTextColor(RGB(0,0,0));
		pDC->SetBkColor(RGB(160,180,220));
		HBRUSH b=CreateSolidBrush(RGB(160,180,220));
		return b;
	}
	
	// TODO: Return a different brush if the default is not desired
	return hbr;
}