changepw.cpp

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// ChangePW.cpp : implementation file
//

#include "stdafx.h"
#include "library.h"
#include "ChangePW.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern CReader ReaderUser;
///////////////////////////////////////////////////////////////////////////
// CChangePW dialog


CChangePW::CChangePW(CWnd* pParent /*=NULL*/)
	: CDialog(CChangePW::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChangePW)
	m_OldPW = _T("");
	m_NewPW = _T("");
	m_AgainPW = _T("");
	//}}AFX_DATA_INIT
}


void CChangePW::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChangePW)
	DDX_Text(pDX, IDC_EDIT2, m_OldPW);
	DDX_Text(pDX, IDC_EDIT3, m_NewPW);
	DDX_Text(pDX, IDC_EDIT4, m_AgainPW);
	//}}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);
	//检查数据有效性
	if (m_OldPW == "")
	{
		MessageBox("请输入旧密码");
		return;
	}
	if (m_NewPW == "")
	{
		MessageBox("请输入新密码");
		return;
	}
	if (m_NewPW != m_AgainPW)
	{
		MessageBox("两次输入的新密码不同");
		return;
	}

	//如果读取的数据与用户输入数据不同，则返回
	if (ReaderUser.GetPW() != m_OldPW)
	{
		MessageBox("用户密码不正确！");
		return;
	}	
	
	ReaderUser.SetPW(m_NewPW);
	ReaderUser.SQL_Update(ReaderUser.GetNo());
	
	MessageBox("密码修改成功，下次登录请使用新密码");
	CDialog::OnOK();
}

BOOL CChangePW::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	GetDlgItem(IDC_EDIT1)->SetWindowText(ReaderUser.GetNo());
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}