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    获取ACCESS2000数据库中所有表的名称

    发布者: 娅水9213 | 发布时间: 2025-6-19 07:19| 查看数: 83| 评论数: 0|帖子模式

    void OpenSchemaX(TCHAR *TableName)
    {
    HRESULT hr = S_OK;

    ::CoInitialize(NULL); //初始化Com

    IADORecordBinding *picRs = NULL;

    _RecordsetPtr pRstSchema("ADODB.Recordset");
    _ConnectionPtr pConnection("ADODB.Connection" );

    pConnection->ConnectionString = TableName;
    pConnection->rovider = "Microsoft.Jet.OLEDB.4.0";

    try
    {
    pConnection->Open(pConnection->ConnectionString, "", "", adModeUnknown);
    pRstSchema->QueryInterface(
    __uuidof(IADORecordBinding), (LPVOID*)&picRs);

    pRstSchema = pConnection->OpenSchema(adSchemaTables);//枚举表的名称处理

    while(!(pRstSchema->EndOfFile))
    {
    CString strTableType;

    _bstr_t table_name = pRstSchema->Fields->
    GetItem("TABLE_NAME")->Value;//获取表的名称

    _bstr_t table_type = pRstSchema->Fields->
    GetItem("TABLE_TYPE")->Value;//获取表的类型

    strTableType.Format("%s",(LPCSTR) table_type);

    if(!lstrcmp(strTableType,_T("TABLE")))
    {
    m_strList.AddString((LPCSTR) table_name);//添加表的名称
    }

    pRstSchema->MoveNext();
    }
    // Clean up objects before exit.

    pRstSchema->Close();
    pConnection->Close();
    }

    catch (_com_error &e)
    {
    // Notify the user of errors if any.
    // Pass a connection pointer accessed from the Connection.
    PrintProviderError(pConnection);
    PrintComError(e);
    }
    CoUninitialize();
    }

    void PrintProviderError(_ConnectionPtr pConnection)
    {
    ErrorPtr pErr = NULL;

    if( (pConnection->Errors->Count) > 0)
    {
    long nCount = pConnection->Errors->Count;
    // Collection ranges from 0 to nCount -1.
    for(long i = 0;i < nCount;i++)
    {
    pErr = pConnection->Errors->GetItem(i);
    CString strError;
    strError.Format("Error number: %x\t%s", pErr->Number, pErr->Description);
    AfxMessageBox(strError);
    }
    }
    }

    void PrintComError(_com_error &e)
    {
    _bstr_t bstrSource(e.Source());
    _bstr_t bstrDescription(e.Description());

    // Print COM errors.
    CString strError;
    strError.Format("Error number: Description = %s\tCode meaning = %s",(LPCSTR) bstrDescription, e.ErrorMessage());
    AfxMessageBox(strError);
    }

    调用方法:

    CString strFileName;
    TCHAR FileName[MAX_PATH];
    TCHAR bigBuff[2048] = _T(""); // maximum common dialog buffer size
    TCHAR szFilter[] = _T("Text Files (*.mdb)|*.mdb|All Files (*.*)|*.*
    ");
    CFileDialog dlg(TRUE, NULL, NULL,
    OFN_HIDEREADONLY | OFN_ALLOWMULTISELECT, szFilter);

    // Modify OPENFILENAME members directly to point to bigBuff
    dlg.m_ofn.lpstrFile = bigBuff;
    dlg.m_ofn.nMaxFile = sizeof(bigBuff);

    if(IDOK == dlg.DoModal() )
    {
    strFileName = dlg.GetPathName();
    lstrcpy(FileName,strFileName);
    OpenSchemaX(FileName);
    }(出处:风闪网路学院)
    来源:https://www.jb51.net/article/4069.htm
    免责声明:如果侵犯了您的权益,请联系站长,我们会及时删除侵权内容,谢谢合作!

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