wp:获取分类目录

get_terms,wp_list_categories

1: get_terms

$args = array(
    'taxonomy' => 'product_cat',
    'hierarchical' => 1,
    'show_option_none' => '',
    'hide_empty' => 0,
    'include' => '17,18,19,20',
    'orderby' => 'term_id',
    'order' => 'ASC'
);
$items = get_terms( $args );

2: wp_list_categories

$args=array(
    'orderby' => 'name',
    'order' => 'ASC',
    'title_li' => sprintf('<h4 class="top-cat"><a href="%s">%s</a></h4>', $url, $title),
    'hide_empty' => 0,
    'dpath' => 2,
    'child_of' => $term_id,
    'taxonomy' => 'product_cat'
);
wp_list_categories( $args );