msmmprjdlg.cpp

oracle下利用proc在 vc++开发的一个小例子

// msmmPrjDlg.cpp : implementation file
//

#include "stdafx.h"
#include "msmmPrj.h"
#include "msmmPrjDlg.h"
#include "oraDatas.h"
#include "proc/oracle.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()

/////////////////////////////////////////////////////////////////////////////
// CMsmmPrjDlg dialog

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

BEGIN_MESSAGE_MAP(CMsmmPrjDlg, CDialog)
	//{{AFX_MSG_MAP(CMsmmPrjDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(IDR_CONNECT, OnConnect)
	ON_WM_DESTROY()
	ON_COMMAND(IDR_DISCONNECT, OnDisconnect)
	ON_COMMAND(IDR_FLUSH_LOG, OnFlushLog)
	//}}AFX_MSG_MAP
	ON_COMMAND_EX_RANGE(IDR_SYSARG,IDR_SREC,OnManagerTable)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMsmmPrjDlg message handlers
// 下面定义oracle用到的文件
// 并执行打开与关闭操作
BOOL CMsmmPrjDlg::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
	ORAout=fopen("proc\\oracleErr.log","a");

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

void CMsmmPrjDlg::OnDestroy() 
{
	fclose(ORAout);
	CDialog::OnDestroy();	
}

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

// 编辑个数据表
void CMsmmPrjDlg::OnManagerTable(UINT table){
	UINT index=table-IDR_SYSARG;
	if(index<0||index>oraDatas::totalTable){
		MessageBox("internal error!");
		return;
	}
	char buf[256];
	strcpy(buf,"select * from ");
	JMP_FOR_ERROR(err)

	strcat(buf,oraDatas::table[index]);
	MessageBox(buf);
	pQuery->set_statement(buf);
	pQuery->execute();
	return;
err:
	MessageBox("查询失败");
	return;
}

// 建立联接
void CMsmmPrjDlg::OnConnect(){
	if(ORAconnect("msmm","msmm")==0){
		pQuery->set(20,30,30);
		if(pQuery->alloc()==0)
			MessageBox("连接成功");
		else
			MessageBox("不能分配模式符");
	}else 
		MessageBox("连接失败");
}

void CMsmmPrjDlg::OnDisconnect() 
{
	pQuery->free();
	ORAdisconnect();
	MessageBox("现在可以安全地关闭程序了");
}

void CMsmmPrjDlg::OnFlushLog() 
{
	fclose(ORAout);	
	ORAout=fopen("proc\\oracleErr.log","a");
}