vcsql.cpp

学生成绩管理程序

// VCSQL.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "VCSQL.h"

#include "MainFrm.h"
#include "VCSQLSet.h"
#include "VCSQLDoc.h"
#include "VCSQLView.h"

#include "PasswordDlg.h"
#include "PasswordSet.h"

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

/////////////////////////////////////////////////////////////////////////////
// CVCSQLApp

BEGIN_MESSAGE_MAP(CVCSQLApp, CWinApp)
	//{{AFX_MSG_MAP(CVCSQLApp)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
	// Standard print setup command
	ON_COMMAND(ID_FILE_PRINT_SETUP, CWinApp::OnFilePrintSetup)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVCSQLApp construction

CVCSQLApp::CVCSQLApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CVCSQLApp object

CVCSQLApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CVCSQLApp initialization

BOOL CVCSQLApp::InitInstance()
{
	
	bool passwordflag=false;
	CString user,password;
	PasswordDlg m_dlg;
	PasswordSet m_Set;
	m_Set.Open();
	AfxEnableControlContainer();
	for(int i=0;i<3;i++)
	{
		m_Set.MoveFirst();
		if(m_dlg.DoModal()==IDOK)
		{
			if(m_dlg.m_username.IsEmpty()||m_dlg.m_password.IsEmpty())
			{
				AfxMessageBox("请输入用户名或者密码，重新登陆！");
				continue;
			}
			else
			{
				while(!m_Set.IsEOF())
				{
					user=m_Set.m_column1;//名字
					user.TrimRight();//去掉右边空格
					password=m_Set.m_column2;
					password.TrimRight();
					if((m_dlg.m_username=user)&&(m_dlg.m_password=password))
					{
						passwordflag=true;
						m_Set.Close();
						break;
					}
					else
					{
						m_Set.MoveNext();
					}
				}
				if(!passwordflag)
				{
					AfxMessageBox("登陆错误，检查用户名与密码，重新登陆!");
					continue;
				}
				else break;
			}
		}
		else
		{
			return false;
		}
	}
	if(!passwordflag)
	{
		AfxMessageBox("你登陆次数超过3次，无权再输入");
		return false;
	}


	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));

	LoadStdProfileSettings();  // Load standard INI file options (including MRU)

	// Register the application's document templates.  Document templates
	//  serve as the connection between documents, frame windows and views.

	CSingleDocTemplate* pDocTemplate;
	pDocTemplate = new CSingleDocTemplate(
		IDR_MAINFRAME,
		RUNTIME_CLASS(CVCSQLDoc),
		RUNTIME_CLASS(CMainFrame),       // main SDI frame window
		RUNTIME_CLASS(CVCSQLView));
	AddDocTemplate(pDocTemplate);

	// Parse command line for standard shell commands, DDE, file open
	CCommandLineInfo cmdInfo;
	ParseCommandLine(cmdInfo);

	// Dispatch commands specified on the command line
	if (!ProcessShellCommand(cmdInfo))
		return FALSE;

	// The one and only window has been initialized, so show and update it.
	m_pMainWnd->ShowWindow(SW_SHOW);
	m_pMainWnd->UpdateWindow();

	return TRUE;
}


/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

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)
		// No message handlers
	//}}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()

// App command to run the dialog
void CVCSQLApp::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

/////////////////////////////////////////////////////////////////////////////
// CVCSQLApp message handlers