我无法从另一个表中获取新的总计数，我使用以下代码：

$news_cat = array(); 
$news_cat = DB::query("select * from news_cat order by id");

foreach($news_cat as $cc){
    DB::query("select news_id from info_news where cat_id=%i",$cc['id']);
    $news_cat['all_news_in_cat'] = DB::count();

}
$smarty->assign('news_cat', $news_cat);
$smarty->display("blog.tpl");

我要打印的是（ all_news_in_cat )在tpl文件中
你好，艾默尔