学生成绩管理系统dlg.cpp

具有添加,删除,修改,更新的功能,用ado读ini文件访问数据库

// 学生成绩管理系统Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "学生成绩管理系统.h"
#include "学生成绩管理系统Dlg.h"
#include "Splash.h"
#include "StDlg.h"
#include "KcDlg.h"
#include "CjDlg.H"
#include "GlobalVarFunc.h"
#include "DBOper.h"
#include "mmsystem.h"

#include <time.h>
#include "ado.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
//数据库相关变量
extern char gServerName[128];
extern char gDataBaseName[200];
extern char gUserName[128];
extern char gPassWD[128];

extern	CADODatabase *gpDataBase;
extern	bool         gDBConnected;
extern	COleDateTime gDBConnTime;
extern  CADORecordset *pRs; 
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()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyDlg)
		// 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);
}

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

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(ID_MENUCHENGJI, OnMenuchengji)
	ON_COMMAND(ID_MENUCLOSEDB, OnMenuclosedb)
	ON_COMMAND(ID_MENUKECHENG, OnMenukecheng)
	ON_COMMAND(ID_MENUOPENDB, OnMenuopendb)
	ON_COMMAND(ID_MENUSTUDENT, OnMenustudent)
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

BOOL CMyDlg::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
	PlaySound((LPCTSTR)IDR_WAVE1, AfxGetInstanceHandle(), SND_RESOURCE | SND_ASYNC | SND_LOOP); 
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CMyDlg::OnMenuchengji() 
{
	// TODO: Add your command handler code here
	CCjDlg cjdlg;
	if( false == gDBConnected )
	{
		MessageBox("数据库尚未连接!");
		return;
	}
	else 
	{
		cjdlg.DoModal();
	}
}

void CMyDlg::OnMenuclosedb() 
{
	// TODO: Add your command handler code here
	DisconnectDatabase();
	MessageBox("数据库断开啦!");
}

void CMyDlg::OnMenukecheng() 
{
	// TODO: Add your command handler code here
	CKcDlg kcdlg;
	if( false == gDBConnected )
	{
		MessageBox("数据库尚未连接!");
		return;
	}
	else 
	{
		kcdlg.DoModal();
	}
}

void CMyDlg::OnMenuopendb() 
{
	// TODO: Add your command handler code here
	if(ConnectDatabase()!=1)
	{
		MessageBox("数据库连接失败!");
	}
	else 
	{
		MessageBox("恭喜!数据库连接成功啦!");
	}
}

void CMyDlg::OnMenustudent() 
{
	// TODO: Add your command handler code here
	CStDlg stdlg;
	if( false == gDBConnected )
	{
		MessageBox("数据库尚未连接!");
		return;
	}
	else 
	{
		stdlg.DoModal();
	}
}

int CMyDlg::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CDialog::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	CSplashWnd::ShowSplashScreen(this);
	return 0;
}