final.cpp

vC++下的学生成绩管理系统。可以保存学生数据

#include "stdafx.h"
#include "final.h"
#include "finalDlg.h"
#include "LOADDING.h"//加载loadding对话框的类
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
BOOL checktdatabase();//判断数据库是否存在的函数
// CFinalApp
BEGIN_MESSAGE_MAP(CFinalApp, CWinApp)//事件响应集
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()
// CFinalApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CFinalApp object

CFinalApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CFinalApp initialization

BOOL CFinalApp::InitInstance()
{
	AfxEnableControlContainer();
	
	if( FindWindow(NULL,"学生成绩管理系统")) {//---------------防止运行多次------------
		AfxMessageBox("程序已经被运行!");
		exit(0);
	}
	if(!checktdatabase())
		return FALSE;
	CLOADDING *ploa=new CLOADDING;//---生成loading对话框
	ploa->Create(IDD_LOAD_DIALOG);
	ploa->ShowWindow(SW_SHOW);
	ploa->UpdateWindow();
    Sleep(4000);	//-------------------使程序暂停
	
	ploa->DestroyWindow();//------------销毁loading对话框
	delete ploa;

	//if(!checktdatabase())//-------------调用检查是否有数据库的函数
	//	return FALSE;
	// 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);

	

	// 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

	CFinalDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}
BOOL checktdatabase(){
	CString sFile("data.yil");//---------定义文件的名字"data.yil"
	CFileStatus status;//----------------测试课程数据库是否存在
	if (!CFile::GetStatus(sFile,status))
	{
		AfxMessageBox("数据库不存在!");
		return FALSE;
	}
	else
		return TRUE;
}