banklogin.cpp

很好的VC操作数据库的学习源码

// BankLogin.cpp : implementation file
//

#include "stdafx.h"
#include "Testbank.h"
#include "BankLogin.h"
#include "Account.h"
#include "AdminBank.h"

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

/////////////////////////////////////////////////////////////////////////////
// BankLogin dialog


BankLogin::BankLogin(CWnd* pParent /*=NULL*/)
	: CDialog(BankLogin::IDD, pParent)
{
	//{{AFX_DATA_INIT(BankLogin)
	m_UserId = _T("");
	m_UserPwd = _T("");
	//}}AFX_DATA_INIT
	type=-1;
}


void BankLogin::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(BankLogin)
	DDX_Control(pDX, IDC_COMBO_UserType, m_UserType);
	DDX_Text(pDX, IDC_EDIT1, m_UserId);
	DDX_Text(pDX, IDC_EDIT2, m_UserPwd);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(BankLogin, CDialog)
	//{{AFX_MSG_MAP(BankLogin)
	ON_CBN_SELCHANGE(IDC_COMBO_UserType, OnSelchangeCOMBOUserType)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// BankLogin message handlers

void BankLogin::OnSelchangeCOMBOUserType() 
{
	// TODO: Add your control notification handler code here
	type=m_UserType.GetCurSel();
}

void BankLogin::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
 	if(m_UserId=="")
 	{
 		MessageBox("请输入用户名！");
	    return ;
 	}
 	if(m_UserPwd=="")
	{
	    MessageBox("请输入密码！");
 		return ;
 	}
	
 	if(0==type)
 	{
 	    Account aa;
 	  if(-1==aa.GetData(m_UserId))
	  {
		MessageBox("次用户不存在！");
	    //CDialog::OnOK();
		return ;
	  }

 	 if(m_UserPwd!=aa.GetUserPwd())
 		{
 		   MessageBox("用户信息不对，请核查后输入！");
 		   return;
 		}
 
 	}

 	if(1==type)
 	{
        UpdateData();
		AdminBank bb;
		if(-1==bb.GetBankData(m_UserId))
		{
		 MessageBox("次用户不存在！");
		 return ;
		}
 
 		if(m_UserPwd!=bb.GetAdminPwd())
 		{
 		    MessageBox("用户信息不对，请核查后输入!");
			return ;
 		}
	
 	}
	
	CDialog::OnOK();
}

BOOL BankLogin::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here

	m_UserType.AddString("银行操作员");
	m_UserType.AddString("普通用户");
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}