booklibdlg.cpp

自己编写的迷你图书馆的完整程序.VC6MFC编写的,Windows界面.数据采用了Sqlserver2000.压缩包中已包括了数据库.先附加数据库再运行.

// BookLibDlg.cpp : implementation file
//

#include "stdafx.h"
#include "BookLib.h"
#include "BookLibDlg.h"
#include "DlgProxy.h"

#include "LoginDlg.h"
#include "UserMgrDlg.h"
#include "OptionDlg.h"
#include "ProviderMgrDlg.h"
#include "ReaderMgrDlg.h"
#include "BookMgrDlg.h"
#include "RecordMgrDlg.h"
#include "BorrowBook.h"
#include "ReturnBook.h"
#include "ExpireDlg.h"
#include "QryBookDlg.h"
#include "QryReaderDlg.h"
#include "QryRecordDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// 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)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CBookLibDlg dialog

IMPLEMENT_DYNAMIC(CBookLibDlg, CDialog);

CBookLibDlg::CBookLibDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBookLibDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBookLibDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_pAutoProxy = NULL;
}

CBookLibDlg::~CBookLibDlg()
{
	// If there is an automation proxy for this dialog, set
	//  its back pointer to this dialog to NULL, so it knows
	//  the dialog has been deleted.
	if (m_pAutoProxy != NULL)
		m_pAutoProxy->m_pDialog = NULL;
}

void CBookLibDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBookLibDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CBookLibDlg, CDialog)
	//{{AFX_MSG_MAP(CBookLibDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CLOSE()
	ON_COMMAND(ID_HELP_ABOUT, OnHelpAbout)
	ON_COMMAND(ID_SYS_USER, OnSysUser)
	ON_COMMAND(ID_SYS_EXIT, OnSysExit)
	ON_COMMAND(ID_SYS_OPTION, OnSysOption)
	ON_COMMAND(ID_INFO_PROVIDER, OnInfoProvider)
	ON_COMMAND(ID_INFO_READER, OnInfoReader)
	ON_COMMAND(ID_INFO_BOOK, OnInfoBook)
	ON_COMMAND(ID_OPERA_BORROW, OnOperaBorrow)
	ON_COMMAND(ID_OPERA_RETURN, OnOperaReturn)
	ON_COMMAND(ID_OPERA_EXPIRE, OnOperaExpire)
	ON_COMMAND(ID_QUERY_BOOK, OnQueryBook)
	ON_COMMAND(ID_QUERY_READER, OnQueryReader)
	ON_COMMAND(ID_QUERY_HISTORY, OnQueryHistory)
	ON_COMMAND(ID_INFO_RECORD, OnInfoRecord)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBookLibDlg message handlers

BOOL CBookLibDlg::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
	CLoginDlg loginDlg;		//登录对话框
	if(loginDlg.DoModal()!=IDOK)
		OnOK();

	GetConfig();	//取得配置参数
	SetStatusBar();	//设置状态栏
	SetLimits();	//根据用户级别限制可用功能

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CBookLibDlg::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 CBookLibDlg::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 CBookLibDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

// Automation servers should not exit when a user closes the UI
//  if a controller still holds on to one of its objects.  These
//  message handlers make sure that if the proxy is still in use,
//  then the UI is hidden but the dialog remains around if it
//  is dismissed.

void CBookLibDlg::OnClose() 
{
	if (CanExit())
		CDialog::OnClose();
}

void CBookLibDlg::OnOK() 
{
	if (CanExit())
		CDialog::OnOK();
}

void CBookLibDlg::OnCancel() 
{
	if (CanExit())
		CDialog::OnCancel();
}

BOOL CBookLibDlg::CanExit()
{
	// If the proxy object is still around, then the automation
	//  controller is still holding on to this application.  Leave
	//  the dialog around, but hide its UI.
	if (m_pAutoProxy != NULL)
	{
		ShowWindow(SW_HIDE);
		return FALSE;
	}

	return TRUE;
}

void CBookLibDlg::OnHelpAbout() 
{
	CAboutDlg   dlg;   
	dlg.DoModal();
}

void CBookLibDlg::OnSysUser() 
{
	CUserMgrDlg dlg;
	dlg.DoModal();
}

void CBookLibDlg::OnSysExit() 
{
	SendMessage(WM_CLOSE);
}

void CBookLibDlg::OnSysOption() 
{
	COptionDlg dlg;
	dlg.DoModal();
}

void CBookLibDlg::OnInfoProvider() 
{
	CProviderMgrDlg dlg;
	dlg.DoModal();
}

void CBookLibDlg::OnInfoReader() 
{
	CReaderMgrDlg dlg;
	dlg.DoModal();
}

void CBookLibDlg::OnInfoBook() 
{
	CBookMgrDlg dlg;
	dlg.DoModal();
}

void CBookLibDlg::OnOperaBorrow() 
{
	CBorrowBook dlg;
	dlg.m_max=Int2Str(maxqty);
	dlg.m_expire=Int2Str(expire);
	dlg.DoModal();
	
}

void CBookLibDlg::OnOperaReturn() 
{
	CReturnBook dlg;
	dlg.m_max=Int2Str(maxqty);
	dlg.m_expire=Int2Str(expire);
	dlg.DoModal();	
}

void CBookLibDlg::OnOperaExpire() 
{
	CExpireDlg dlg;
	dlg.DoModal();

}

void CBookLibDlg::OnQueryBook() 
{
	CQryBookDlg dlg;
	dlg.DoModal();
	
}

void CBookLibDlg::OnQueryReader() 
{
	CQryReaderDlg dlg;
	dlg.DoModal();
}

void CBookLibDlg::OnQueryHistory() 
{
	CQryRecordDlg dlg;
	dlg.DoModal();
}

void CBookLibDlg::OnInfoRecord() 
{
	CRecordMgrDlg dlg;
	dlg.DoModal();
}

void CBookLibDlg::SetStatusBar()
{
	t=CTime::GetCurrentTime();
	m_StatusBar.EnableAutomation();
	m_StatusBar.Create(WS_CHILD|WS_VISIBLE,CRect(0,0,0,0),this,0);//ID_STATUSBAR);
	int width[]={200,370,500};
	m_StatusBar.SetParts(3, &width[0]);
	m_StatusBar.SetText("读书服务管理系统",0,0);
	CString StatusText;
	StatusText.Format("当前用户：%s",strUserName);
	m_StatusBar.SetText(StatusText,0,1);
	CString strdate;
	strdate.Format("当前时间:%s",t.Format("%y-%m-%d"));
	m_StatusBar.SetText(strdate,0,2);
}

void CBookLibDlg::SetLimits()
{
	CMenu *menu=(CMenu*)GetMenu();
	if(strUserLevel!="管理员")
		menu->EnableMenuItem(ID_SYS_USER,MF_GRAYED); 
	if(strUserLevel=="普通用户")
	{
		menu->EnableMenuItem(ID_SYS_OPTION,MF_GRAYED); 
		menu->EnableMenuItem(ID_OPERA_BORROW,MF_GRAYED); 
		menu->EnableMenuItem(ID_OPERA_RETURN,MF_GRAYED); 
		menu->EnableMenuItem(ID_INFO_BOOK,MF_GRAYED); 
		menu->EnableMenuItem(ID_INFO_PROVIDER,MF_GRAYED); 
		menu->EnableMenuItem(ID_INFO_READER,MF_GRAYED); 
		menu->EnableMenuItem(ID_INFO_RECORD,MF_GRAYED); 

	}
}