ecshop不同文章内页调用不同文章模板

if(isset($article) && $article['cat_id'] > 2)
{
$smarty->display('article.dwt', $cache_id);
}
else
{
$smarty->display('article_pro.dwt', $cache_id);
}

$parent = get_article_parent_cats($article['cat_id']);
$parent = end($parent);
print_r();
if(isset($article) && $parent['cat_id'] > 2)
{
$smarty->display('article.dwt', $cache_id);}elseif($parent['cat_id'] == 1){$smarty->display('article1.dwt', $cache_id);}
else
{
$smarty->display('article_pro.dwt', $cache_id);
}