www.gusucode.com > VC++ 客户管理系统(SQL Serve)-源码程序 > VC++ 客户管理系统(SQL Serve)-源码程序/code/Program/khlogin.cpp

    // khlogin.cpp : implementation file
//

#include "stdafx.h"
#include "khmanager.h"
#include "khlogin.h"
#include "Resource.h"
#include "ado.h"
#include "khmain.h"
#include "elet2.h"


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

/////////////////////////////////////////////////////////////////////////////
// khlogin dialog


khlogin::khlogin(CWnd* pParent /*=NULL*/)
	: CDialog(khlogin::IDD, pParent)
{
	//{{AFX_DATA_INIT(khlogin)
	//}}AFX_DATA_INIT
}


void khlogin::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(khlogin)
	DDX_Control(pDX, IDC_BUTTON2, m_button2);
	DDX_Control(pDX, IDC_BUTTON1, m_button1);
	DDX_Control(pDX, IDC_EDIT2, m_mima);
	DDX_Control(pDX, IDC_EDIT1, m_name);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(khlogin, CDialog)
	//{{AFX_MSG_MAP(khlogin)
	ON_WM_PAINT()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_WM_LBUTTONDOWN()
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// khlogin message handlers
BOOL khlogin::OnInitDialog() 
{
	CDialog::OnInitDialog();

	m_button1.SetBitmap(LoadBitmap(AfxGetInstanceHandle(),
	MAKEINTRESOURCE(IDB_BITMAP1))); //设置位图
	m_button2.SetBitmap(LoadBitmap(AfxGetInstanceHandle(),
	MAKEINTRESOURCE(IDB_BITMAP2))); //设置位图
    unsigned short usReadLen;
	CString strtext;
	long ret = EleT2Read(0,(unsigned char *)strtext.GetBuffer(0),sizeof(strtext),&usReadLen);
	switch(ret)
	{
    case ELE_T2_NO_MORE_DEVICE :           
		MessageBox("没有找到相应的模板设备");
		break;
    case ELE_T2_INVALID_PASSWORD :         
		MessageBox("无效的密码");
		break;
    case ELE_T2_INSUFFICIENT_BUFFER:      
		MessageBox("缓冲区不足");
		break;
    case ELE_T2_BEYOND_DATA_SIZE:          
		MessageBox("读写数据区越界"); 
		break;
	}
	if(ret != ELE_T2_SUCCESS || strtext != "123")
	{
		MessageBox("请插入指定的加密锁");
		CDialog::OnCancel();
	}
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void khlogin::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	CBitmap bit;
	CDC mendc;
	CRect rect;
	this->GetWindowRect(&rect);
	bit.LoadBitmap(IDB_BITMAP8);
	mendc.CreateCompatibleDC(&dc);
	mendc.SelectObject(&bit);
	dc.BitBlt(0,0,rect.Width(),rect.Height(),&mendc,0,0,SRCCOPY);
	mendc.DeleteDC();
	::DeleteObject(&bit);
	
	// TODO: Add your message handler code here
	
	// Do not call CDialog::OnPaint() for painting messages
}



void khlogin::OnButton1() 
{
	ado rst;
	CString sql,name,mima,mima2;
	this->m_name.GetWindowText(name);
	this->m_mima.GetWindowText(mima);
	sql.Format("select * from tb_user where user_name ='%s'",name);
	rst.Open(sql,adCmdText);
	if(rst.GetRecordCount()<1)
	{
		MessageBox("您输入的用户不存在！请重新输入！","系统提示",MB_OK|MB_ICONSTOP);
		m_name.SetWindowText("");
		m_name.SetFocus();
		return;
	}
	else
	{
		mima2=rst.GetFieldValue("user_mm");
		if(mima2==mima)
		{
			this->OnCancel();
			khmain main;
			main.DoModal();
			
			
		}
		else
		{
			MessageBox("您输入的密码不正确！请重新输入！","系统提示",MB_OK|MB_ICONSTOP);
			m_mima.SetWindowText("");
			m_mima.SetFocus();
		return;

		}
	}
}

void khlogin::OnLButtonDown(UINT nFlags, CPoint point) 
{
	::SendMessage(this->GetSafeHwnd(),WM_SYSCOMMAND,SC_MOVE+2,0);	
	CDialog::OnLButtonDown(nFlags, point);
}

void khlogin::OnButton2() 
{
	CDialog::OnCancel();	
}