此处有一条快速裂缝，应在两层深度内起作用：
<h2 id="posts">My Post Type</h2>
<ul>
<?php
$not_in = array(); //to avoid naming the same post over and over
//get top level terms
$Parent_terms = get_terms( \'my_taxonomy\', array(\'orderby\' => \'name\',\'parent\' => 0));
foreach ($Parent_terms as $term) {
echo "<li><h3>".$term->name."</h3>";
echo "<ul>";
//get all children of each term
$child_terms = get_terms( \'my_taxonomy\', array(\'orderby\' => \'name\',\'parent\' => $term->ID));
foreach ((array)$child_terms as $t){
echo "<li><h4>".$t->name."</h4>";
echo "<ul>";
$args = array(
\'post__not_in\' => $not_in,
\'post_type\' => \'my_posttype\',
\'posts_per_page\' => -1,
\'tax_query\' => array(
array(
\'taxonomy\' => \'my_taxonomy\',
\'field\' => \'slug\',
\'terms\' => $t->slug
)
)
);
$new = new WP_Query($args);
while ($new->have_posts()) {
$new->the_post();
$not_in[] = $post->ID;
echo \'<li><a href="\'.get_permalink().\'">\'.get_the_title().\'</a></li>\';
//here you should check for children posts and output them
}
echo "</ul>";
echo "</li>";
}
//get all posts that are only listed in top level term
$args = array(
\'post__not_in\' => $not_in,
\'post_type\' => \'my_posttype\',
\'posts_per_page\' => -1,
\'tax_query\' => array(
array(
\'taxonomy\' => \'my_taxonomy\',
\'field\' => \'slug\',
\'terms\' => $term->slug
)
)
);
$new = new WP_Query($args);
while ($new->have_posts()) {
$new->the_post();
$not_in[] = $post->ID;
echo \'<li><a href="\'.get_permalink().\'">\'.get_the_title().\'</a></li>\';
//here you should check for children posts and output them
}
echo "</ul>";
echo "</li>";
} ?>
</ul>
