db2dlg.cpp

微机原理与接口技术课程设计题目详细要求

// db2Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "db2.h"
#include "db2Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CDb2Dlg dialog

CDb2Dlg::CDb2Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDb2Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDb2Dlg)
		// 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 CDb2Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDb2Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDb2Dlg, CDialog)
	//{{AFX_MSG_MAP(CDb2Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTONSELECT, OnButtonselect)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDb2Dlg message handlers

BOOL CDb2Dlg::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
	HRESULT hr;
	try
	{
		hr=m_pConnection.CreateInstance("ADODB.Connection");
		if ( SUCCEEDED(hr) )
		{
//			hr=m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=db1.mdb","","",adModeUnknown);
			hr=m_pConnection->Open("driver={SQL Server};Server=127.0.0.1;DATABASE=accounts","","",adModeUnknown);
			if ( SUCCEEDED (hr) )
			{
				m_pRset.CreateInstance("ADODB.Recordset");
				MessageBox("Connection Ok");
			}
		}
	}
	catch (_com_error e)
	{
		AfxMessageBox(e.ErrorMessage());
	}

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

void CDb2Dlg::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 CDb2Dlg::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 CDb2Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDb2Dlg::OnButton1() 
{
	_variant_t Raffected;
	try
	{
	m_pConnection->Execute("insert into account(id,psw,money) values ('016522','963258',100)",
							&Raffected,adCmdText);
	MessageBox("Insert ok");
	}
	catch(...)
	{
		MessageBox("Wrong");
	}
   
}

void CDb2Dlg::OnOK() 
{
	m_pConnection->Close();

	CDialog::OnOK();
}

void CDb2Dlg::OnButtonselect() 
{
	_variant_t Raffected,vid,vpsw,vmon;
/*	_CommandPtr m_pCommand;
	m_pCommand.CreateInstance("ADODB.Command");
	_variant_t vNul;
	vNul.vt=VT_ERROR;
	vNul.scode=DISP_E_PARAMNOTFOUND;
	m_pCommand->ActiveConnection=m_pConnection;
	m_pCommand->CommandText="select * from account";
	m_pRset=m_pCommand->Execute(&vNul,&vNul,adCmdText);
*/	m_pRset->Open("select * from account",
				m_pConnection.GetInterfacePtr(),
				adOpenStatic,adLockOptimistic,adCmdText);

	CString str;
	while (!m_pRset->adoEOF)
	{
		vid=m_pRset->GetCollect("id");
		vpsw=m_pRset->GetCollect("psw");
		vmon=m_pRset->GetCollect("money");
		str=(LPCTSTR)(_bstr_t)vid;
		GetDlgItem(IDC_EDITID)->SetWindowText( str );
		m_pRset->PutCollect(_variant_t("money"),_variant_t((long)2000));
		UpdateWindow();
		m_pRset->MoveNext();
		Sleep(100);
	}
	m_pRset->Close();
}