是否有方法向已注册的自定义分类法添加参数？我所有的分类法都是用插件构建的，所以如果我能为函数添加一些东西就好了。php，只需将“重写”=>数组（“分层”=>true）添加到这些分类法中。

您应该能够使用register_taxonomy 重新注册要影响的分类法。

http://core.trac.wordpress.org/browser/tags/3.4.2/wp-includes/taxonomy.php#L305

警告：未测试的代码
（大多数情况下，我只是一时兴起。我对损坏的网站不承担任何责任）：

function reregister_taxonomy() {
    # the post types that the taxonomy is registered to
    $post_types = array(\'post\');
    # set this to the taxonomy name
    $tax_name = \'TAXONOMY_NAME_TO_CHANGE\';
    # load the already created taxonomy as array so we can
    # pass it back in as $args to register_taxonomy
    $tax = (array)get_taxonomy($tax_name);

    if ($tax) {
        # adjust the hierarchical necessities
        $tax[\'hierarchical\'] = true;
        $tax[\'rewrite\'][\'hierarchical\'] = true;

        # adjust the hierarchical niceties (these could be ignored)
        $tax[\'labels\'][\'parent_item\'] = sprintf(__("Parent %s"),
            $tax->labels->singular_name);
        $tax[\'labels\'][\'parent_item_colon\'] = sprintf(__("Parent %s:"),
            $tax->labels->singular_name);

        # cast caps to array as expected by register_taxonomy
        $tax[\'capabilities\'] = (array)$tax[\'cap\'];
        # cast labels to array
        $tax[\'labels\'] = (array)$tax[\'labels\'];
        # register the taxonomy with our new settings
        register_taxonomy($tax_name, array(\'post\'), $tax);
    }
}
# init action with a late priority so other taxonomies are loaded
# alternatively could be done with the `registered_taxonomy` action hook
add_action(\'init\', \'reregister_taxonomy\', 9999);

写了这篇文章之后，我才意识到这个问题已经有一年半的历史了，也许有人会觉得它很有用。

要使分层永久链接正常工作，您需要添加重写规则。我已经成功地汇编了一些代码，用自定义分类法创建了一个自定义的post类型，该分类法使用permalinks中反映的父/子术语。这并不完美，但它正在发挥作用！

function keha_add_rewrite_rules() {
        add_rewrite_rule( \'^posttype_slug/(.+?)/(.+?)/(.+?)$\', \'index.php?taxonomy=$matches[1]&taxonomy=$matches[2]&posttype=$matches[3]\', \'top\' );
        add_rewrite_rule( \'^posttype_slug/(.+?)/(.+?)/$\', \'index.php?posttype=$matches[2]\', \'top\' );
        add_rewrite_rule( \'^posttype_slug/(.+?)/(.+?)/(.+?)$\', \'index.php?posttype=$matches[3]\', \'top\' );
        add_rewrite_rule( \'^posttype_slug/(.+?)/(.+?)/?$\', \'index.php?taxonomy=$matches[2]\', \'top\' );
        add_rewrite_rule( \'^posttype_slug/(.+?)$\', \'index.php?taxonomy=$matches[1]\', \'top\' );
}
add_action(\'init\', \'keha_add_rewrite_rules\');

查看我在Github的工作示例：

https://github.com/keha76/WordPress-CPT-Hierarchical-Taxonomy-Permalinks

感谢@anubhava

关于WP Rewrite API 找出解决方案。

1） 我已经创建了一个自定义重写url，并将其放入我的函数中。php

function services_rewrite_basic() {
  add_rewrite_rule(\'^services/.*\', \'index.php?page_id=110&level=$matches[1]&level=$matches[1]&level=$matches[1]\', \'top\');
}
add_action(\'init\', \'services_rewrite_basic\');

2）最终只保存了permlink页面，没有任何更改，它做到了这一点。