我有一个自定义的帖子类型products 和一个带有slug的自定义分类“产品类别”products.

My goal: 我正在尝试创建如下URL结构：

产品发布类型存档：products/

产品顶级类别存档：products/product-category

产品类别档案：products/product-category/product-sub-category

产品页面：products/product-category/product-sub-category/product-page

The problem:产品页面似乎只想使用实际类别。所以URL结构看起来像products/uncategorized/product-page. 类别存档页不会维护cpt库。所以他们的结果是category/sub-category.

What I\'ve tried: 无数的谷歌搜索，相当多的代码片段（我记得我将在下面介绍）、一些自定义函数和一些插件。没有用。

我有以下代码。

add_action( \'init\', \'products_cpt\', 0);
add_action( \'init\', \'register_taxonomies\', 0 );

//A custom post type for all products
function products_cpt(){
    $labels = array(
        \'name\'               => _x(\'Products\', \'Post Type General Name\'),
        \'singular_name\'      => _x(\'Product\', \'Post Type Singluar Name\'),
        \'menu_name\'          => __(\'Products\'),
        \'parent_item_colon\'  => __(\'Parent Product\'),
        \'all_items\'          => __(\'All Products\'),
        \'view_item\'          => __(\'View Product\'),
        \'add_new_item\'       => __(\'Add New Product\'),
        \'add_new\'            => __(\'Add New\'),
        \'edit_item\'          => __(\'Edit Product\'),
        \'update_item\'        => __(\'Update Product\'),
        \'search_items\'       => __(\'Search Products\'),
        \'not_found\'          => __(\'Not Found\'),
        \'not_found_in_trash\' => __(\'Not Found in Trash\')
    );
    $supports = array( 
        \'title\', 
        \'editor\', 
        \'excerpt\', 
        \'thumbnail\', 
        \'custom-fields\', 
        \'revisions\' 
    );
    $args = array(
        \'labels\'              => $labels,
        \'hierarchical\'        => true,
        \'public\'              => true,
        \'exclude_from_search\' => false,
        \'show_in_admin_bar\'   => true,
        \'show_in_nav_menus\'   => true,
        \'publicly_queryable\'  => true,
        \'query_var\'           => true,
        \'taxonomies\'          => array( \'chemicals\' ),
        \'supports\'            => $supports,
        \'has_archive\'         => \'products\'
    );
    register_post_type(\'products\', $args);
}

function register_taxonomies() {
    $taxonomies = array(
        \'products\' => array(
            \'Product\',
            \'Products\'
        ),
    );
    foreach($taxonomies as $slug => $name){
        create_product_taxonomy($slug,$name[0],$name[1]);
    }
}

function create_product_taxonomy($slug, $singular, $plural) {
    $labels = array(
        \'name\'                       => _x( $singular.\' Categories\', \'Taxonomy General Name\', \'text_domain\' ),
        \'singular_name\'              => _x( $singular.\' Category\', \'Taxonomy Singular Name\', \'text_domain\' ),
        \'menu_name\'                  => __( $singular.\' Categories\', \'text_domain\' ),
        \'all_items\'                  => __( \'All \'.$singular.\' Categories\', \'text_domain\' ),
        \'parent_item\'                => __( \'Parent \'.$singular.\' Category\', \'text_domain\' ),
        \'parent_item_colon\'          => __( \'Parent \'.$singular.\' Category:\', \'text_domain\' ),
        \'new_item_name\'              => __( \'New \'.$singular.\' Category Name\', \'text_domain\' ),
        \'add_new_item\'               => __( \'Add New \'.$singular.\' Category\', \'text_domain\' ),
        \'edit_item\'                  => __( \'Edit \'.$singular.\' Category\', \'text_domain\' ),
        \'update_item\'                => __( \'Update \'.$singular.\' Category\', \'text_domain\' ),
        \'view_item\'                  => __( \'View \'.$singular.\' Category\', \'text_domain\' ),
        \'separate_items_with_commas\' => __( \'Separate \'.$singular.\' Categories with commas\', \'text_domain\' ),
        \'add_or_remove_items\'        => __( \'Add or remove \'.$singular.\' Categories\', \'text_domain\' ),
        \'choose_from_most_used\'      => __( \'Choose from the most used \'.$singular.\' Categories\', \'text_domain\' ),
        \'popular_items\'              => __( \'Popular \'.$singular.\' Categories\', \'text_domain\' ),
        \'search_items\'               => __( \'Search \'.$singular.\' Categories\', \'text_domain\' ),
        \'not_found\'                  => __( \'Not Found\', \'text_domain\' ),
        \'no_terms\'                   => __( \'No \'.$singular.\' Categories\', \'text_domain\' ),
        \'items_list\'                 => __( $singular.\' Categories list\', \'text_domain\' ),
        \'items_list_navigation\'      => __( $singular.\' Categories list navigation\', \'text_domain\' ),
    );
     $args = array(
        \'labels\'                     => $labels,
        \'hierarchical\'               => true,
        \'public\'                     => true,
        \'show_ui\'                    => true,
        \'show_admin_column\'          => true,
        \'show_in_nav_menus\'          => true,
        \'show_tagcloud\'              => true,
        \'has_archive\'                => $plural,
        \'rewrite\' => array( 
            \'slug\'         => \'products\',
            \'with_front\'   => true,
            \'hierarchical\' => true
        )
    );
    register_taxonomy( $slug, \'products\', $args );
}

接下来，我尝试添加以下代码，但它只适用于产品页面。产品类别档案仍为404\'d。

add_filter( \'post_type_link\', \'products_post_link\', 1, 3 );
function products_post_link( $post_link, $id = 0 ){
    $post = get_post($id);  
    if ( is_object( $post ) ){
        $terms = wp_get_object_terms( $post->ID, \'products_category\' );
        $slug_url = \'\';
        $last_id = 0;
        if( $terms ){
            foreach($terms as $term) {
                if ($term === reset($terms)){
                    foreach($terms as $termInner){
                        if($termInner->term_id == 0){
                            $slug_url .= $termInner->slug.\'/\';
                        }
                    }
                }elseif ($term === end($terms)){
                    foreach($terms as $termInner){
                        if($termInner->parent == $last_id){
                            $slug_url .= $termInner->slug;
                            $last_id = $termInner->term_id;
                        }
                    }
                }else{
                    foreach($terms as $termInner){
                        if($termInner->parent == $last_id){
                            $slug_url .= $termInner->slug.\'/\';
                            $last_id = $termInner->term_id;
                        }
                    }
                }
            }
            return str_replace( \'%category%\' , $slug_url , $post_link );
        }
    }
    return $post_link;  
}

    \'rewrite\' => array(
        \'slug\'         => \'products/%category%\',
        \'with_front\'   => false,
        \'hierarchical\' => true,
    ),

add_action(\'init\', \'custom_resource_rewrite_rules\');
function custom_resource_rewrite_rules() {
    add_rewrite_rule(\'products/([A-Za-z0-9\\-\\_]+)/?\', \'$matches[1]\', \'top\');
}

最后，我尝试了以下插件，也没有成功。

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