xiuno文章页显示上一篇、下一篇

<?php
$arrlist_n = db_find_one('thread', array('fid'=>$fid, 'tid'=>array('>'=>$tid)), array('tid'=>1));
$arrlist_p = db_find_one('thread', array('fid'=>$fid, 'tid'=>array('<'=>$tid)), array('tid'=>-1));
if($arrlist_p){
echo '<a href="'.url("thread-".$arrlist_p['tid']).'"><span>上一篇：'.$arrlist_p['subject'].'</span></a>';
}else{echo '<span>上一篇：没了</span>';}
if($arrlist_n){
echo '<a href="'.url("thread-".$arrlist_n['tid']).'"><span>下一篇：'.$arrlist_n['subject'].'</span></a>';
}else{echo '<span>下一篇：没了</span>';}
?>
//可直接hook在帖子结尾