DeDecms教程

// 获取指定id 
    if(!function_exists('getarc')) 
    { 
        function getarc($aid,$field) 
    { 
         global $dsql; 
             if(empty($aid) || empty($field)){ return '';} 
         //获取指定字段值 
         $row = $dsql->GetOne("SELECT $field FROM `#【分隔符】@__addonarticle`  WHERE aid = '$aid'"); 
         $idlist= $row["$field"]; 
         $resualt=''; 
             if($idlist != '') 
            { 
                $query = "SELECT arc.*,tp.* FROM `#【分隔符】@__archives` arc  left join `#【分隔符】@__addonarticle`  tp on arc.id=tp.aid WHERE arc.id in($idlist) ORDER BY arc.id "; 
         $dsql->Execute('me',$query); 
                    while($rs = $dsql->GetArray('me')) 
                      { 
                  $url = GetOneArchive($rs['id']) ; 
                      $resualt .="<dl><dt><a href='".$url['arcurl']."'>".$rs['title']."</a></dt><dd>".cn_substr($rs['body'],230)."</dd></dl>"; 
                } 
            } 
         return $resualt; 
        } 
    } 

{dede:field.id function="getarc(@me,field)"/} 

$resualt .="<dl><dt><a href='".$url['arcurl']."'>".$rs['title']."</a></dt><dd>".cn_substr($rs['body'],230)."</dd></dl>";