logondlg.cpp

关于学生信息管理系统的一个小程序,适合用与应付实习,供大家使用!

// LogonDlg.cpp : implementation file
//

#include "stdafx.h"
#include "20028324.h"
#include "LogonDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include "UerRecordset.h"
CString user;
/////////////////////////////////////////////////////////////////////////////
// CLogonDlg dialog


CLogonDlg::CLogonDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLogonDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLogonDlg)
	m_ID = _T("");
	m_PSW = _T("");
	//}}AFX_DATA_INIT
}


void CLogonDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLogonDlg)
	DDX_Text(pDX, IDC_EDIT1, m_ID);
	DDX_Text(pDX, IDC_EDIT2, m_PSW);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// CLogonDlg message handlers

void CLogonDlg::OnOK() 
{
	// TODO: Add extra validation here
	CEdit *pID=(CEdit*)this->GetDlgItem(IDC_EDIT1);
	CEdit *pPSW=(CEdit*)this->GetDlgItem(IDC_EDIT2);
	CUerRecordset rs;
	this->UpdateData(true);
	if(!rs.IsOpen())
		rs.Open(CRecordset::dynaset,_T("select * from user where user='"+m_ID+"'"));
	if(rs.IsEOF())
	{
		::MessageBox(NULL,"没有此用户!请重新输入!","登录错误",MB_ICONINFORMATION);
		pID->SetWindowText("");
		pID->SetFocus();
		return;
	}
	else
	{
		if(rs.m_psw!=m_PSW)
		{
			::MessageBox(NULL,"密码输入不正确，请重新登录！","登陆错误！",MB_ICONINFORMATION);
			pPSW->SetWindowText("");
			pPSW->SetFocus();
			return;
		}
		else
		{
			m_authority=rs.m_authority;
			user=rs.m_user;
			this->EndDialog(1);
		}
	}
	CDialog::OnOK();
}