dlglogin.cpp

此系统中

// DlgLogin.cpp : implementation file
//

#include "stdafx.h"
#include "DMS2.h"
#include "DlgLogin.h"
#include "LoginSet.h"
#include "DMS2Dlg.h"

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


#include "DMS2Dlg.h"
/////////////////////////////////////////////////////////////////////////////
// CDlgLogin dialog


CDlgLogin::CDlgLogin(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgLogin::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgLogin)
	m_UsrName = _T("");
	m_UsrPwd = _T("");
	//}}AFX_DATA_INIT
}


void CDlgLogin::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgLogin)
	DDX_Text(pDX, IDC_EDIT_USRNAME, m_UsrName);
	DDX_Text(pDX, IDC_EDIT_USRPWD, m_UsrPwd);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// CDlgLogin message handlers

void CDlgLogin::OnCancel() 
{
	// TODO: Add extra cleanup here
//	CDialog::CloseWindow();
	kk=1;
	m_UsrName="dd";
	CDialog::OnCancel();

	
}

void CDlgLogin::OnOK() 
{
	// TODO: Add extra validation here
	CLoginSet *m_recordset=new CLoginSet(&m_database);
	CString strSQL;
	UpdateData(TRUE);//读入用户名和密码（即给变量）

	strSQL.Format("select * from USER where USER='%s' AND PSWD='%s'",m_UsrName,m_UsrPwd);
	m_recordset->Open(AFX_DB_USE_DEFAULT_TYPE,strSQL);//从数据库中查找输入是否正确

	count=0;
	if(m_recordset->GetRecordCount()==0)
	{
		if(count<3)
		{
			MessageBox("用户名密码不正确!");//如果信息不正确但尝试<3，提示“login incorrect!”，尝 试次数+1
			count++;
		}
		else
		{
			MessageBox("退出");//如果3次都失败，则提示
			m_database.Close();//关闭应用程序
			CDialog::OnOK();
		}
	}
	//如果登录成功，则打开程序管理窗口
	else
	{
		m_database.Close();
		user.Format("%s",m_UsrName);
		CDMS2Dlg m_Main;
		m_Main.user.Format("%s",m_UsrName);//将用户名赋给m_Main.user

//		m_Main.m_database.Open(_T("DMS"));
	//	m_Main.DoModal();

		CDialog::OnOK();
	}
}

BOOL CDlgLogin::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_fMyFont.CreatePointFont(250,"华文行楷",NULL);
	((CStatic *)GetDlgItem(IDC_STATIC1))->SetFont(&m_fMyFont,true);

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}