您需要使用除单个WP\\U查询之外的其他查询。你可以使用wp_list_pages() 使用定制助行器获取所需结构。

wp_list_pages 在窗口小部件、侧栏或希望列表显示的任何位置：

<ul class="cpt-hierarchy"><!-- or whatever class you like -->
<?php
wp_list_pages(array(
    \'post_type\' => \'cpt\', // replace with your cpt\'s slug
    \'title_li\' => \'\', // don\'t include a title LI
    \'post_status\' => \'publish\', // don\'t include private/draft/etc.
    \'sort_column\' => \'post_title\', // order by post title
    \'walker\' => new wpse_hierarchy_walker)
);
?>
</ul>

Walker在theme的功能中。php：

<?php
class wpse_hierarchy_walker extends Walker_page {
    public function start_el(&$output, $page, $depth = 0, $args = array(), $current_page = 0) {
        if($depth)
            $indent = str_repeat("\\t", $depth);
        else
            $indent = \'\';
        extract($args, EXTR_SKIP);
        $css_class = array(\'page_item\');
        if(!empty($current_page)) {
            $_current_page = get_page( $current_page );
            $children = get_children(\'post_type=page&post_status=publish&post_parent=\'.$page->ID);
            if(count($children) != 0) {
                $css_class[] = \'hasChildren\';
            }
            if(isset($_current_page->ancestors) && in_array($page->ID, (array) $_current_page->ancestors))
                $css_class[] = \'current_page_ancestor\';
            if($page->ID == $current_page)
                $css_class[] = \'current_page_item\';
            elseif($_current_page && $page->ID == $_current_page->post_parent)
                $css_class[] = \'current_page_parent\';
        } elseif($page->ID == get_option(\'page_for_posts\')) {
            $css_class[] = \'current_page_parent\';
        }
        $css_class = implode( \' \', apply_filters( \'page_css_class\', $css_class, $page, $depth, $args, $current_page ) );
        if($page->ID == $current_page) {
            $output .= $indent .\'<li class="\' . $css_class . \'">\' . $page->post_title;
        } else {
            $output .= $indent .\'<li class="\' . $css_class . \'"><a href="\' . get_permalink($page->ID) . \'">\' . $page->post_title .\'</a>\';
        }
    }
}
?>

然后使用CSS，您可以根据需要缩进子级。li.hasChildren ul 将被孩子们包围。