OpenCart Category 侧栏显示可展开的二级分类

foreach ($categories as $category) {

$children_data = array();

//  if ($category[‘category_id’] == $data[‘category_id’]) { 去掉这个条件

$children = $this->model_catalog_category->getCategories($category[‘category_id’]);

foreach($children as $child) {

$filter_data = array(

‘filter_category_id’  => $child[‘category_id’],

‘filter_sub_category’ => true

);

$children_data[] = array(

‘category_id’ => $child[‘category_id’],

‘name’        => $child[‘name’] . ($this->config->get(‘config_product_count’) ? ‘ (‘ . $this->model_catalog_product->getTotalProducts($filter_data) . ‘)’ : ”),

‘href’        => $this->url->link(‘product/category’, ‘path=’ . $category[‘category_id’] . ‘_’ . $child[‘category_id’])

);

}

//去掉这个条件 }