destoon7.0网站系统，任意页面显示分类描述

在自定义函数文件 中加入一下代码

//任意页面显示分类描述
function cat_description($catid) {
global $db;
$catid = intval($catid);
$seo_description = '';
    $r = $db->get_one("SELECt seo_description FROM {$db->pre}category WHERe catid=$catid");
    $seo_description = $r['seo_description'];
return $seo_description;
}

{cat_description($t[catid])}

{cat_description($catid)}