在我的WP博客上，我的目标是重写URL，如：

domain.com/blog/**name_of_a_city**/title-of-the-article

domain.com/blog/title-of-the-article/

我认为最好的方法是创建分类法，因为我将在写博客时添加许多“分类法”（城市）。例如，如果我写一篇关于巴塞罗那的文章，我希望能够添加一个城市作为分类法，并通过我的url查看它。

domain.com/barcelona/this-article-title

我经历了第一阶段：

->创建自定义帖子类型“文章”

function cptui_register_my_cpts_article() {

/**
 * Post Type: Articles.
 */

$labels = array(
    "name" => __( "Articles", "rowling" ),
    "singular_name" => __( "Article", "rowling" ),
);

$args = array(
    "label" => __( "Articles", "rowling" ),
    "labels" => $labels,
    "description" => "",
    "public" => true,
    "publicly_queryable" => true,
    "show_ui" => true,
    "delete_with_user" => false,
    "show_in_rest" => true,
    "rest_base" => "",
    "rest_controller_class" => "WP_REST_Posts_Controller",
    "has_archive" => "cities",
    "show_in_menu" => true,
    "show_in_nav_menus" => true,
    "exclude_from_search" => false,
    "capability_type" => "post",
    "map_meta_cap" => true,
    "hierarchical" => false,
    "rewrite" => false,
    "query_var" => true,
    "supports" => array( "title", "editor", "thumbnail", "author" ),
    "taxonomies" => array( "category", "post_tag" ),
);

register_post_type( "article", $args );
}

add_action( \'init\', \'cptui_register_my_cpts_article\' );

class Test_Terms {

function __construct() {
    register_activation_hook( __FILE__,array( $this,\'activate\' ) );
    add_action( \'init\', array( $this, \'create_cpts_and_taxonomies\' ) );
} 

function activate() {
    $this->create_cpts_and_taxonomies();
    $this->register_new_terms();
}

function create_cpts_and_taxonomies() {

    $args = array( 
        \'hierarchical\'                      => true,  
        \'labels\' => array(
            \'name\'                          => _x(\'Cities\', \'taxonomy general name\' ),
            \'singular_name\'                 => _x(\'City\', \'taxonomy singular name\'),
            \'search_items\'                  => __(\'Search city\'),
            \'popular_items\'                 => __(\'Popular city\'),
            \'all_items\'                     => __(\'All city\'),
            \'edit_item\'                     => __(\'Edit city\'),
            \'edit_item\'                     => __(\'Edit city\'),
            \'update_item\'                   => __(\'Update city\'),
            \'add_new_item\'                  => __(\'Add new city\'),
            \'new_item_name\'                 => __(\'New city\'),
            \'separate_items_with_commas\'    => __(\'Seperate city with commas\'),
            \'add_or_remove_items\'           => __(\'Add or remove city\'),
            \'choose_from_most_used\'         => __(\'Choose from most used city\')
        ),  
        \'query_var\'                         => true,  
        \'rewrite\'                           => array(\'slug\' =>\'city\', \'with_front\' =>false, \'hierarchical\'=>true),        
        \'capabilities\' => array(
    \'manage_terms\'  => \'update_plugins\',
    \'edit_terms\'    => \'update_plugins\',
    \'delete_terms\'  => \'update_plugins\',
    \'assign_terms\'  => \'edit_posts\'
        )
    );
    register_taxonomy( \'city\', array( \'article\' ), $args );
}

function register_new_terms() {
    $this->taxonomy = \'city\';
    $this->terms = array (
        \'0\' => array (
            \'name\'          => \'city1\',
            \'slug\'          => \'city1\',
            \'description\'   => \'for city1\',
        ),
        \'1\' => array (
            \'name\'          => \'city2\',
            \'slug\'          => \'city2\',
            \'description\'   => \'for city2\',
        ),
    );  

    foreach ( $this->terms as $term_key=>$term) {
            wp_insert_term(
                $term[\'name\'],
                $this->taxonomy, 
                array(
                    \'description\'   => $term[\'description\'],
                    \'slug\'          => $term[\'slug\'],
                )
            );
        unset( $term ); 
    }

}
}
$Test_Terms = new Test_Terms();

/blog/?article=my_new_article