dedecms搜索页面怎么单独调用搜索结果条数

else if($tagname=="pagelist")
{
        $list_len = trim($ctag->GetAtt("listsize"));
        if($list_len=="")
        {
                $list_len = 3;
        }
        $this->dtp->Assign($tagid,$this->GetPageListDM($list_len));
}

else if($tagname=="itemcount")
{
        $list_len = trim($ctag->GetAtt("listsize"));
        if($list_len=="")
        {
                $list_len = 3;
        }
        $this->dtp->Assign($tagid,$this->GetItemsCountDM($list_len));
}

/**   * 获得当前的页面文件的url   *   * @access public   * @return string   */

function GetItemsCountDM($list_len)
{
        global $oldkeyword;
        $pagenow = ($this->PageNo-1) * 10 + 1;
        $pagenows = $this->PageNo*10; //当结果超过限制时，重设结果页数
        if($this->TotalResult > $this->SearchMaxRc)
        {
                $totalpage = ceil($this->SearchMaxRc/$this->PageSize);
        }
        $plist .= $this->TotalResult;
        return $plist;
}

{dede:itemcount listsize='4'/}