论坛社区Discuz首页的调用

不能超过演示个数   
//---设置---end   
  
if((@!include('forumdata/cache/cache_'.$cachename.'.php')) || $expiration < time() || $cacheshownums != $shownums || $cachesearchnums != $searchnums || $cachecachelife != $cachelife || $cacheorderby != $orderby || $cachecachename != $cachename || $cachesearchfid != $searchfid) {   
    require_once './include/common.inc.php';  

;
    $orderby = $orderby != 'rand' ? 'attach.'.$orderby : 'rand()';   
    $fids = $searchfid ? 'AND '."t.fid IN ($searchfid)" : '';   
    $data = array();   
    $query = $db->query("SELECT attach.aid, attach.attachment, t.tid, t.fid, t.subject FROM {$tablepre}attachments attach LEFT JOIN {$tablepre}threads t ON t.tid=attach.tid WHERE attach.readperm='0' AND displayorder>='0' $searchaid AND filetype='image/pjpeg' $fids GROUP BY attach.tid ORDER BY $orderby DESC LIMIT $searchnums");   
    while ($pic = $db->fetch_array($query)) {   
        $data['pic'][$pic[aid]]['showpicpics'] = $attachurl.'/'.$pic['attachment'];   
        $data['pic'][$pic[aid]]['showpiclinks'] = "viewthread.php?tid=$pic[tid]";