织梦让dede:channel支持调用栏目描述description或栏目内容content

if($type=='top')    {        $sql = "SELECT id,typename,typedir,typebigpic,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description,content          From `dede_arctype` WHERE reid=0 And ishidden<>1 order by sortrank asc limit 0, $line ";    }    else if($type=='son')    {        if($typeid==0) return '';        $sql = "SELECT id,typename,typedir,typebigpic,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description,content          From `dede_arctype` WHERE reid='$typeid' And ishidden<>1 order by sortrank asc limit 0, $line ";    }    else if($type=='self')    {        if($reid==0) return '';        $sql = "SELECT id,typename,typedir,typebigpic,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description,content            FROM `dede_arctype` WHERE reid='$reid' And ishidden<>1 order by sortrank asc limit 0, $line ";    }    //And id<>'$typeid'    $needRel = false;    $dtp2 = new DedeTagParse();    $dtp2->SetNameSpace('field','[',']');    $dtp2->LoadSource($innertext);    //检查是否有子栏目，并返回rel提示（用于二级菜单）    if(preg_match('#:rel#', $innertext)) $needRel = true;       if(empty($sql)) return '';    $dsql->SetQuery($sql);    $dsql->Execute();       $totalRow = $dsql->GetTotalRow();    //如果用子栏目模式，当没有子栏目时显示同级栏目    if($type=='son' && $reid!=0 && $totalRow==0)    {        $sql = "SELECT id,typename,typedir,typebigpic,isdefault,ispart,defaultname,namerule2,moresite,siteurl,sitepath,description,content            FROM `dede_arctype` WHERE reid='$reid' And ishidden<>1 order by sortrank asc limit 0, $line ";        $dsql->SetQuery($sql);      $dsql->Execute();    }