changepw.cpp

一个简单的银行管理程序 VC++实现

// ChangePw.cpp : implementation file
//

#include "stdafx.h"
#include "BankSystem.h"
#include "ChangePw.h"
#include "BankSystemDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CChangePw dialog


CChangePw::CChangePw(CWnd* pParent /*=NULL*/)
	: CDialog(CChangePw::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChangePw)
	m_OldPassW = _T("");
	m_NewPassW = _T("");
	m_NewPassW2 = _T("");
	m_strUser = _T("");
	//}}AFX_DATA_INIT
}


void CChangePw::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChangePw)
	DDX_Text(pDX, IDC_EDIT1, m_OldPassW);
	DDX_Text(pDX, IDC_EDIT2, m_NewPassW);
	DDX_Text(pDX, IDC_EDIT3, m_NewPassW2);
	DDX_Text(pDX, IDC_EDIT7, m_strUser);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CChangePw, CDialog)
	//{{AFX_MSG_MAP(CChangePw)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChangePw message handlers

void CChangePw::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData(true);
	CBankSystemApp * pApp = (CBankSystemApp*)AfxGetApp();
	CBankSystemDlg * m_pMain = (CBankSystemDlg*)pApp->m_pMainWnd;

	_ConnectionPtr m_pConnection;
	_RecordsetPtr  m_pRecordset;
	CString strSQL,m_strPassW;

	if(m_strUser.IsEmpty()||m_OldPassW.IsEmpty()||m_NewPassW.IsEmpty()||m_NewPassW2.IsEmpty())
	{
		AfxMessageBox("请填写详细信息!");
		if(m_pRecordset)
		m_pRecordset->Close();
		return;
	}
	
    strSQL="SELECT * FROM Acount where 账号=";
	strSQL+=m_strUser;
	m_pConnection=m_pMain->m_pConnection;
	m_pRecordset.CreateInstance(__uuidof(Recordset));
	m_pRecordset->Open(_variant_t(strSQL),m_pConnection.GetInterfacePtr(),adOpenDynamic,adLockOptimistic,adCmdText);
	
	if(m_pRecordset->adoEOF)
	{
		AfxMessageBox("账号不存在!");
		m_pRecordset->Close();
		return;
	}
	if(m_NewPassW!=m_NewPassW2)
	{
		AfxMessageBox("密码不一致!");
		m_pRecordset->Close();
		return;
	}
	m_strPassW=(LPCSTR)_bstr_t(m_pRecordset->GetCollect("密码"));
	if(m_strPassW==m_OldPassW)
	{
		_variant_t varPassW=_variant_t(m_NewPassW);
		m_pRecordset->PutCollect("密码",varPassW);
		AfxMessageBox("密码修改成功!");
	}
	else
	{
		AfxMessageBox("旧密码错误!");
	}
	
	m_pRecordset->Update();
	m_pRecordset->Close();
	CDialog::OnOK();
}