织梦dede如何让摘要只出现在文章的第一页

　　$this->NowPage = $pageNo; $this->Fields['nowpage'] = $this->NowPage; if($this->SplitPageField!='' && isset($this->Fields[$this->SplitPageField])) { $this->Fields[$this->SplitPageField] = $this->SplitFields[$pageNo - 1]; //if($pageNo>1) $this->Fields['description'] = trim(preg_replace("/[