VC6.0实现读取Excel数据的方法

// Excel应用对象
_Application  m_oExcelApp;   // Excel程序
_Worksheet  m_oWorkSheet;   // 工作表
_Workbook  m_oWorkBook;   // 工作簿
Workbooks  m_oWorkBooks;  // 工作簿集合
Worksheets  m_oWorkSheets;  // 工作表集合
Range  m_oCurrRange;   // 使用区域

if (CoInitialize(NULL)!=0)
{
    AfxMessageBox("初始化COM支持库失败!");
    exit(1);
}

if (!m_oExcelApp.CreateDispatch( _T( "Excel.Application" ), NULL ) )
{
   ::MessageBox( NULL, _T( "创建Excel服务失败！" ), _T( "错误提示！" ), MB_OK | MB_ICONERROR);
   exit(1);
}

//设置为显示
m_oExcelApp.SetVisible(FALSE);
m_oWorkBooks.AttachDispatch( m_oExcelApp.GetWorkbooks(), TRUE ); //没有这条语句，下面打开文件返回失败。

LPDISPATCH lpDisp = NULL;
COleVariant covTrue((short)TRUE);
COleVariant covFalse((short)FALSE);
COleVariant covOptional((long)DISP_E_PARAMNOTFOUND, VT_ERROR); 
Range  oCurCell;

// 打开文件
lpDisp = m_oWorkBooks.Open( strFilePath,
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing),
    _variant_t(vtMissing) );
// 获得活动的WorkBook( 工作簿 )
m_oWorkBook.AttachDispatch( lpDisp, TRUE );
// 获得活动的WorkSheet( 工作表 )
m_oWorkSheet.AttachDispatch( m_oWorkBook.GetActiveSheet(), TRUE );
// 获得使用的区域Range( 区域 )
m_oCurrRange.AttachDispatch( m_oWorkSheet.GetUsedRange(), TRUE );

// 获得使用的行数
long lgUsedRowNum = 0;
m_oCurrRange.AttachDispatch( m_oCurrRange.GetRows(), TRUE );
lgUsedRowNum = m_oCurrRange.GetCount();
// 获得使用的列数
long lgUsedColumnNum = 0;
m_oCurrRange.AttachDispatch( m_oCurrRange.GetColumns(), TRUE );
lgUsedColumnNum = m_oCurrRange.GetCount();
// 读取Sheet的名称
CString strSheetName = m_oWorkSheet.GetName();

//得到全部Cells，此时,CurrRange是cells的集合
m_oCurrRange.AttachDispatch( m_oWorkSheet.GetCells(), TRUE );

// 遍历整个Excel表格
CStringArray* arrayStr;
arrayStr = new CStringArray[lgUsedRowNum];
for ( int i = 0; i < lgUsedRowNum; )
{
   for ( int j = 1; j <= lgUsedColumnNum; )
   {
   oCurCell.AttachDispatch( m_oCurrRange.GetItem( COleVariant( (long)(i + 1)), COleVariant( (long)j ) ).pdispVal, TRUE );
   VARIANT varItemName = oCurCell.GetText();
   CString strItemName;
   strItemName = varItemName.bstrVal;
//         AfxMessageBox( strItemName );
   // 判断是否是合并的单元格
   VARIANT varMerge = oCurCell.GetMergeCells();
   if ( varMerge.boolVal == -1 )
   {
//             AfxMessageBox( _T( "是合并的单元格!" ) );
   }
   else if ( varMerge.boolVal == 0 )
   {
//             AfxMessageBox( _T( "不是合并的单元格!" ) );
   }

   arrayStr[i].Add( strItemName );
   j++;
   }
   i++;
}

// 更新列表控件数据
m_pExcelOperDlg->initListCtrlColumn( lgUsedColumnNum );
m_pExcelOperDlg->updateListCtrlData( arrayStr, lgUsedRowNum );

// 释放二维数组
delete[] arrayStr;

// 关闭
m_oWorkBook.Close( covOptional, COleVariant( strFilePath ), covOptional );
m_oWorkBooks.Close();
// 释放
m_oCurrRange.ReleaseDispatch();
m_oWorkSheet.ReleaseDispatch();
m_oWorkSheets.ReleaseDispatch();
m_oWorkBook.ReleaseDispatch();
m_oWorkBooks.ReleaseDispatch();
m_oExcelApp.ReleaseDispatch();
m_oExcelApp.Quit();  // 这条语句是推出Excel程序，任务管理器中的EXCEL进程会自动结束。