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文件大小: 13mb
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上传时间: 2012-10-30
详细说明： vc++利用ADOX创建数据库 // ADOXCreateDatabaseDlg.cpp : implementation file // #include "stdafx.h" #include "ADOXCreateDatabase.h" #include "ADOXCreateDatabaseDlg.h" #include "Shlwapi.h" #pragma comment(lib,"shlwapi.lib") // Download by http://www.codefans.net #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About class CAboutDl g : 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() ///////////////////////////////////////////////////////////////////////////// // CADOXCreateDatabaseDlg dialog CADOXCreateDatabaseDlg::CADOXCreateDatabaseDlg(CWnd* pParent /*=NULL*/) : CDialog(CADOXCreateDatabaseDlg::IDD, pParent) { //{{AFX_DATA_INIT(CADOXCreateDatabaseDlg) m_dbName = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CADOXCreateDatabaseDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CADOXCreateDatabaseDlg) DDX_Text(pDX, IDC_DBNAME, m_dbName); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CADOXCreateDatabaseDlg, CDialog) //{{AFX_MSG_MAP(CADOXCreateDatabaseDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BTN_CREATE, OnBtnCreate) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CADOXCreateDatabaseDlg message handlers BOOL CADOXCreateDatabaseDlg::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 return TRUE; // return TRUE unless you set the focus to a control } void CADOXCreateDatabaseDlg::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 CADOXCreateDatabaseDlg::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(▭); 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 CADOXCreateDatabaseDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CADOXCreateDatabaseDlg::OnBtnCreate() { //使输入到编辑框IDC_DBNAME的内容更新到m_dbName变量中 UpdateData(TRUE); CString str; str="d:\\\\"+m_dbName+".mdb"; //检查该数据库是否已经存在，如果该数据库已经存在，弹出消息框，返回 //使用API函数PathFileExists()检查路径文件是否存在 //请注意：为了使用API函数PathFileExists()，需要加入 //#include "Shlwapi.h" //#pragma comment(lib,"shlwapi.lib") if(PathFileExists(str)) { CString strTemp; strTemp.Format("%s已存在!",str); AfxMessageBox(strTemp); return ; } //定义ADOX对象指针并初始化为NULL //用ADOX创建access数据库方法很简单， //只需要新建一个Catalog对象，然后调用它的Create方法就可以了。 //Catalog是 ADOX 的一个对象，它包含描述数据源模式目录的集合。 //在这里，您只需知道创建数据库时使用这个对象就可以了。 //注意用try...catch组合捕捉错误 _CatalogPtr m_pCatalog = NULL; CString DBName="Provider=Microsoft.JET.OLEDB.4.0;Data source="; DBName=DBName+str; try { m_pCatalog.CreateInstance(__uuidof(Catalog)); m_pCatalog->Create(_bstr_t((LPCTSTR)DBName)); } catch(_com_error &e) { AfxMessageBox(e.ErrorMessage()); return ; } } ...展开收缩
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