$pagesize = db_count('post',array('tid'=>$thread[tid]));
 $posttt = db_find('post',array('tid'=>$thread[tid]), array('tid'=>1), $page, $pagesize);


 foreach($posttt as $k=>$v){
 if($v[pid] == $pid){
 $pagee =(ceil($pagesize/5)) ;//翻页
}
}