stmisdlg.cpp

学校社团管理系统Visual C

/**
 * <p> Title: 登录该管理系统的窗口类实现 </p>
 * <p> Description:提供登录功能 </p>
 * <p> Copyright: Copyright (c) 2005-12-17 </p>
 * <p> Company: bjut </p>
 * @author gaok
 * @version 1.0 
 * @Created on 2005-12-17
 */

#include "stdafx.h"
#include "STMis.h"
#include "STMisDlg.h"
#include "MainsDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
/*
 * 构造函数
 */
class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSTMisDlg dialog
/*
 * 构造函数
 */
CSTMisDlg::CSTMisDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSTMisDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSTMisDlg)
		// NOTE: the ClassWizard will add member initialization here
	m_username = _T("");
	m_password = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSTMisDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSTMisDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	DDX_Control(pDX, IDC_USERNAME, m_ctrUser);
	DDX_Text(pDX, IDC_USERNAME, m_username);
	DDX_Text(pDX, IDC_PASSWORD, m_password);	
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSTMisDlg, CDialog)
	//{{AFX_MSG_MAP(CSTMisDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSTMisDlg message handlers

BOOL CSTMisDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.
	
	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	m_ctrUser.EnableWindow(TRUE);
    m_ctrUser.SetFocus(); // 焦点在用户名输入框内
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CSTMisDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CSTMisDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CSTMisDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CSTMisDlg::OnOK() 
{
	// TODO: Add extra validation here
	int count = 0;
    CLoginRSet *m_recordset = new CLoginRSet(&m_database);
	CString strSQL;
	UpdateData(TRUE); // 读入用户输入的信息
	CSTMisApp*  ptheApp = (CSTMisApp *) AfxGetApp();
    strSQL.Format("select * from ST_USER_PSWD where ST_SCBZ=false AND ST_USER='%s' AND ST_PSWD='%s'",m_username,m_password);
	m_recordset->Open(AFX_DB_USE_DEFAULT_TYPE, strSQL); // 从数据库中查找输入是否正确
	if (m_recordset->GetRecordCount() == 0) {
		if (count < 3) {
            MessageBox("login incorrect!");
			count++;
		} else {
			MessageBox("too many trails");
			m_database.Close();
            CDialog::OnOK();
		}
	} else {	
			CMainsDlg m_Main;
			m_Main.m_username = m_username;
			m_Main.m_bIsAdmin = m_recordset->m_ST_ISADMIN;
			m_database.Close();
			m_Main.DoModal();
			CDialog::OnOK();
	}

}