logindlg.cpp

毕业生信息管理系统的基本功能是对毕业生的信息进行管理

// LoginDlg.cpp : implementation file
//

#include "stdafx.h"
#include "BySys.h"
#include "LoginDlg.h"
#include "RegDlg.h"
#include "User.h"

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

/////////////////////////////////////////////////////////////////////////////
// CLoginDlg dialog
extern int n;

CLoginDlg::CLoginDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLoginDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLoginDlg)
	m_UserName = _T("");
	m_Pwd = _T("");
	//}}AFX_DATA_INIT

	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

}


void CLoginDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLoginDlg)
	DDX_Control(pDX, IDC_COMBO1, m_combo);
	DDX_Text(pDX, IDC_USERNAME_EDIT, m_UserName);
	DDX_Text(pDX, IDC_PWD_EDIT, m_Pwd);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CLoginDlg, CDialog)
	//{{AFX_MSG_MAP(CLoginDlg)
	ON_BN_CLICKED(RegButton, OnRegButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLoginDlg message handlers

void CLoginDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	UpdateData(TRUE);
	//检查数据有效性
	if (m_UserName == "")
	{
		MessageBox("请输入用户名");
		return;
	}
	if (m_Pwd == "")
	{
		MessageBox("请输入密码");
		return;
	}
	//定义CUsers对象，用于从表Users中读取数据
	CUser user;
	user.GetData(m_UserName);
	//如果读取的数据与用户输入数据不同，则返回
	if (user.GetPwd() != m_Pwd)
	{
		MessageBox("用户信息不正确，无法登录！");
		return;
	}
	n = m_combo.GetCurSel();
	//关闭对话框		
	CDialog::OnOK();
}

void CLoginDlg::OnRegButton() 
{
	// TODO: Add your control notification handler code here
	CRegDlg Dialog1;
	Dialog1.DoModal();
}
//HCURSOR CLoginDlg::OnQueryDragIcon()
//{
//	return (HCURSOR) m_hIcon;
//}

/*void CLoginDlg::OnPaint()
{
	CPaintDC dc(this); // device context for painting

		CRect rect;
		GetClientRect(&rect);
		dc.FillSolidRect(rect,RGB(0,255,0)); //设置为绿色背景
}*/

BOOL CLoginDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	m_brush.CreateSolidBrush(RGB(0, 255, 0)); // 生成一绿色刷子 

	return TRUE;
}

HBRUSH CLoginDlg::OnCtlColor
(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
/*
** 这里不必编写任何代码！
**下行代码要注释掉
** HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
*/

return m_brush; //返加绿色刷子
}



void CLoginDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	n = 5;
	CDialog::OnCancel();
}