具有新分类的自定义帖子类型

我有一个名为“products”的CPT，所以在左边的菜单中有“products”和“add new”，我想在菜单中也有“product categories”，以便用户可以添加任意多的产品类别，然后当他们“add new product”时，他们可以将其分配给一个产品类别。

以下是我注册CPT的方式：

    register_post_type( \'products\',
// CPT Options
    array(
        \'labels\' => array(
            \'name\' => __( \'Products\' ),
            \'singular_name\' => __( \'product\' )
        ),
        \'public\' => true,
        \'has_archive\' => true,
        \'taxonomies\' => array( \'Product-categories\' ),
        \'hierarchical\' => true,
        \'rewrite\' => array(\'slug\' => \'products\'),
    )
);

如何在左侧的“产品”中获得“产品类别”分类菜单？

谢谢

$labels = array( \'name\' => _x( \'Categories\', \'taxonomy general name\' ), \'singular_name\' => _x( \'Category\', \'taxonomy singular name\' ), \'search_items\' => __( \'Search Types\',\'SkyDance\' ), \'all_items\' => __( \'All Category\',\'SkyDance\' ), \'parent_item\' => __( \'Parent Category\',\'SkyDance\' ), \'parent_item_colon\' => __( \'Parent Category:\',\'SkyDance\' ), \'edit_item\' => __( \'Edit Categories\',\'SkyDance\' ), \'update_item\' => __( \'Update Category\',\'SkyDance\' ), \'add_new_item\' => __( \'Add New Category,\'SkyDance\' ), \'new_item_name\' => __( \'New Category Name\',\'SkyDance\' ), ); register_taxonomy(\'category-cpt\',array(\'cpt\'), array( \'hierarchical\' => true, \'labels\' => $labels, \'show_ui\' => true, \'query_var\' => true, \'rewrite\' => array( \'slug\' => \'category-cpt\' ), ));

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