⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 library.cpp

📁 图书馆借阅管理系统
💻 CPP
字号:
// Library.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "Library.h"
#include "LibraryDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CLibraryApp

BEGIN_MESSAGE_MAP(CLibraryApp, CWinApp)
	//{{AFX_MSG_MAP(CLibraryApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLibraryApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CLibraryApp object

CLibraryApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CLibraryApp initialization

BOOL CLibraryApp::InitInstance()
{
	AfxEnableControlContainer();

	// 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

	//完成接口的初始化工作
	AfxOleInit();
	pConn.CreateInstance(__uuidof(Connection));
	try
	{
		//连接mdb数据库
		//pConn->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Library.mdb","","",adModeUnknown);
		//连接SQL Server数据库
		pConn->ConnectionString="Provider=SQLOLEDB.1;Initial Catalog=library;Password=06045032;User ID=sa;Persist Security Info=True";
		pConn->Open("","","",adConnectUnspecified);
	}
	catch(_com_error e)
	{
		AfxMessageBox("数据库连接失败!");
		return FALSE;
	}

	CLibraryDlg 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;
}

int CLibraryApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class
	//关闭COM,卸载相关dll
	if(pConn->State)
		pConn->Close();
	pConn.Release();
	
	return CWinApp::ExitInstance();
}

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -