$where .= "order by art_id asc ";
            break;
        case 3:
            $where .= "order by pub_time desc ";
            break;
        case 4:
            $where .= "order by pub_time asc ";
            break;
    }
    if ($tag_info['loadcount']) {
        $where .= "limit 0,{$tag_info['loadcount']} ";
    }
    $art_obj->setWhere($where);
    $art_arr = $art_obj->query_keke_witkey_article();
    $temp_arr = array();
    $cat_arr = keke_admin_class::get_article_cate();
    foreach ($art_arr as $v) {
        $a = array();
        $a['id'] = $v['art_id'];
        $a['catid'] = $v['art_cat_id'];
        $a['catname'] = $cat_arr[$v['art_cat_id']]['cat_name'];
        $a['uid'] = $v[uid];
        $a['catid'] = $v['art_cat_id'];
        $a['title'] = $v['art_title'];
        $a['pic'] = $v['art_pic'];
        $a['time'] = $v['pub_time'];
        $temp_arr[] = $a;
    }
} elseif ($tag_info['tag_type'] == 3) {
    $cat_obj = null;
    if ($tag_info['cat_type'] == 2) {