PHP链接excel sql分页有关问题

PHP链接excel sql分页问题
以下是PHP链接excel程序，如果我想设置分页怎么搞？select top 11 * from [Sheet1$];这样可以是次选择11条记录，但是我要从11条以后读取怎么搞？求高手帮个忙。

PHP code

<!--

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  <?php
      $conn=new com("adodb.connection");
      $connstr="Driver={Microsoft Excel Driver (*.xls)};DBQ=".realpath("excel/book.xls");
      $conn->open($connstr);
      $sql="select top 11 * from [Sheet1$]";
      $rs=$conn->execute($sql);
      if($rs->eof || $rs->bof)
       {
         echo "<div align=center>暂无图书信息!</div>";
       }
       else
       {
        while(!$rs->eof)
        
         {
      ?>
      <tr>
        <td height="25" align="center" bgcolor="#FFFFFF"><?php $fields=$rs->fields(number);echo $fields->value;?></td>
        <td height="25" align="center" bgcolor="#FFFFFF"><?php $fields=$rs->fields(title);echo $fields->value;?></td>
        <td height="25" align="center" bgcolor="#FFFFFF"><?php $fields=$rs->fields(datetime);echo $fields->value;?></td>
        <td height="25" align="center" bgcolor="#FFFFFF"><?php $fields=$rs->fields(sale);echo $fields->value;?></td>
        <td height="25" align="center" bgcolor="#FFFFFF"></td>
      </tr>
      <?php
          $rs->movenext;
         }
        }
      ?>

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