login.cpp

这是一个不错的商店管理系统

// login.cpp : implementation file
//

#include "stdafx.h"
#include "shop.h"
#include "login.h"
#include "shopmanage.h"
#include "list.h"
#include "provide.h"
#include "ShopDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern CShopApp theApp;
/////////////////////////////////////////////////////////////////////////////
// Clogin dialog


Clogin::Clogin(CWnd* pParent /*=NULL*/)
	: CDialog(Clogin::IDD, pParent)
{
	//{{AFX_DATA_INIT(Clogin)
	m_password = _T("z");
	m_username = _T("总经理");
	//}}AFX_DATA_INIT
}


void Clogin::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Clogin)
	DDX_Text(pDX, IDC_password, m_password);
	DDX_CBString(pDX, IDC_username, m_username);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(Clogin, CDialog)
	//{{AFX_MSG_MAP(Clogin)
	ON_CBN_SELCHANGE(IDC_username, OnSelchangeusername)
	ON_CBN_EDITCHANGE(IDC_username, OnEditchangeusername)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Clogin message handlers

void Clogin::OnOK() 
{
	// TODO: Add extra validation here

	UpdateData(true);
	 

        
	if(m_username==""||m_password=="")
	{
		AfxMessageBox("用户名或密码不能为空！");
	}
	else
	{
		
		
		m_pRecordset.CreateInstance("ADODB.Recordset");
		m_pRecordset->Open(_variant_t("SELECT * FROM login WHERE username='"+m_username+"' AND password='"+m_password+"'"),_variant_t((IDispatch*)theApp.m_pConnection,true),adOpenStatic,adLockOptimistic,adCmdText);
		if(m_pRecordset->adoEOF)
		{
			AfxMessageBox("用户名或密码不正确，请重新输入！");
			m_password="";
			UpdateData(FALSE);
		}
		else
		{
			m_pRecordset->Close();
			if(m_username=="总经理" && m_password == "z") 
            {			 
			CDialog::OnOK();
            Cshopmanage dlg;
            dlg.DoModal();
			}
			if(m_username=="人事经理" && m_password == "r") 
            {			 
			CDialog::OnOK();
            CShopDlg dlg;
            dlg.DoModal();
			}
			if(m_username=="业务经理" && m_password == "y") 
            {			 
			CDialog::OnOK();
            Cshopmanage dlg;
            dlg.DoModal();
			}
			if(m_username=="售货员" && m_password == "s") 
            {			 
			CDialog::OnOK();
            Clist dlg;
            dlg.DoModal();
			}
			if(m_username=="进货员" && m_password == "j") 
            {			 
			CDialog::OnOK();
            Cprovide dlg;
            dlg.DoModal();
			}
		}
	}

	//CDialog::OnOK();
	//Cshopmanage dlg;
//	dlg.DoModal();
}

void Clogin::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

BOOL Clogin::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
//	if(m_username == "总经理")
//		m_password == 
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void Clogin::OnSelchangeusername() 
{
	    
}

void Clogin::OnEditchangeusername() 
{

}