我一直在尝试调整这一点，但我尝试的都没有真正起作用，这是一个我使用的带有短代码的插件，无论我将短代码放在模板上的什么位置，它总是显示在标题正下方的顶部，即使上面有图像或文本。为什么会发生这种情况？
<?php
/*
Plugin Name: Simple Taxonomy Chain menu
Plugin URI: http://gifts.wordpress-filter.com/
Description: Simple taxonomy chain menu shortcode realized by drop-downs. This is gift plugin for WordPress Meta Data Filter & Taxonomies Filter
Author: realmag777
Version: 1.0.0
Author URI: http://www.pluginus.net/
*/
//[mdf_chain_menu taxonomy=\'product_cat\' exclude=\'\' show_count=1 post_slug=\'product\' button_title=\'Watch It\' target=\'_blank\']
//10-11-2014
class MDTF_ChainMenu {
private $button_title = \'GO!\';
private $target = \'_self\';
public function init() {
add_shortcode(\'mdf_chain_menu\', array($this, \'draw_chain_menu\'));
add_action(\'wp_head\', array($this, \'wp_head\'), 1);
add_action(\'wp_ajax_mdf_get_chain_select\', array($this, \'get_chain_select\'));
add_action(\'wp_ajax_nopriv_mdf_get_chain_select\', array($this, \'get_chain_select\'));
}
public function wp_head() {
wp_enqueue_script(\'jquery\');
}
public function wp_footer() {
?>
<script type="text/javascript">
var ajaxurl = "<?php echo admin_url(\'admin-ajax.php\'); ?>";
jQuery(function () {
jQuery.fn.life = function (types, data, fn) {
jQuery(this.context).on(types, this.selector, data, fn);
return this;
};
//+++
jQuery(\'.mdf_chain_menu\').life(\'change\', function () {
var cat_id = jQuery(this).val();
var _this = this;
if (cat_id > 0) {
var data = {
action: "mdf_get_chain_select",
term_id: cat_id,
taxonomy: jQuery(this).data(\'taxonomy\'),
show_count: jQuery(this).data(\'show-count\'),
post_slug: jQuery(this).data(\'post-slug\'),
exclude: jQuery(this).data(\'exclude\')
};
jQuery.post(ajaxurl, data, function (responce) {
jQuery(_this).nextAll(\'.mdf_chain_menu\').remove();
jQuery(_this).nextAll(\'.mdf_chain_menu_posts\').remove();
jQuery(_this).nextAll(\'.mdf_chain_menu_post_button\').remove();
jQuery(_this).after(responce);
});
} else {
jQuery(this).nextAll(\'.mdf_chain_menu\').hide(200, function () {
jQuery(this).remove();
});
jQuery(this).nextAll(\'.mdf_chain_menu_posts\').hide(200, function () {
jQuery(this).remove();
});
jQuery(this).nextAll(\'.mdf_chain_menu_post_button\').hide(200, function () {
jQuery(this).remove();
});
}
});
//+++
jQuery(\'.mdf_chain_menu_posts\').life(\'change\', function () {
var link = jQuery(this).val();
jQuery(this).nextAll(\'.mdf_chain_menu_post_button\').remove();
if (link.length) {
jQuery(this).after(\'<a href="\' + link + \'" class="button mdf_chain_menu_post_button" target="<?php echo $this->target ?>"><?php echo $this->button_title ?></a>\');
}
});
});
</script>
<?php
}
//ajax
public function get_chain_select() {
$args = array(
\'term_id\' => $_REQUEST[\'term_id\'],
\'taxonomy\' => $_REQUEST[\'taxonomy\'],
\'show_count\' => $_REQUEST[\'show_count\'],
\'post_slug\' => $_REQUEST[\'post_slug\'],
\'exclude\' => $_REQUEST[\'exclude\']
);
$childs_ids = get_term_children($_REQUEST[\'term_id\'], $_REQUEST[\'taxonomy\']);
if (!empty($childs_ids)) {
$this->generate_tax_select($args);
} else {
$this->generate_post_select($_REQUEST[\'term_id\'], $_REQUEST[\'taxonomy\'], $_REQUEST[\'post_slug\']);
}
exit;
}
private function generate_post_select($term_id, $taxonomy=\'category\', $post_slug = \'post\') {
$args = array(
\'posts_per_page\' => -1,
\'orderby\' => \'title\',
\'order\' => \'ASC\',
\'post_type\' => $post_slug,
\'tax_query\' => array(
\'relation\' => \'AND\',
array(
\'taxonomy\' => $taxonomy,
\'field\' => \'term_id\',
\'terms\' => $term_id
)
)
);
$posts = get_posts($args);
if (!empty($posts)) {
?>
<select class="mdf_chain_menu_posts input-medium">
<option value=""><?php _e(\'Select post\', \'meta-data-filter\') ?></option>
<?php foreach ($posts as $post) : ?>
<option value="<?php echo get_permalink($post->ID) ?>"><?php echo $post->post_title ?></option>
<?php endforeach; ?>
</select>
<?php
}
}
//shortcode action
public function draw_chain_menu($args) {
add_action(\'wp_footer\', array($this, \'wp_footer\'), 9999);
if (!isset($args[\'term_id\'])) {
$args[\'term_id\'] = 0;
}
if (!isset($args[\'show_count\'])) {
$args[\'show_count\'] = 0;
}
if (!isset($args[\'post_slug\'])) {
$args[\'post_slug\'] = \'post\';
}
//***
if (isset($args[\'button_title\'])) {
$this->button_title = __($args[\'button_title\'], \'meta-data-filter\');
}
if (isset($args[\'target\'])) {
$this->target = $args[\'target\'];
}
//***
$this->generate_tax_select($args);
}
private function generate_tax_select($args) {
$terms = $this->get_terms($args);
if (!empty($terms)):
?>
<select class="mdf_chain_menu" data-taxonomy="<?php echo $args[\'taxonomy\'] ?>" data-exclude="<?php echo $args[\'exclude\'] ?>" data-show-count="<?php echo $args[\'show_count\'] ?>" data-post-slug="<?php echo $args[\'post_slug\'] ?>">
<option value="0"><?php _e(\'Choose\', \'meta-data-filter\') ?></option>
<?php foreach ($terms as $term) : ?>
<option value="<?php echo $term[\'term_id\'] ?>"><?php echo $term[\'name\'] ?><?php if ($args[\'show_count\']): ?> (<?php echo $term[\'count\'] ?>)<?php endif; ?></option>
<?php endforeach; ?>
</select>
<?php
endif;
}
private function get_terms($args) {
$cats_objects = get_categories(array(
\'orderby\' => \'name\',
\'order\' => \'ASC\',
\'style\' => \'list\',
\'show_count\' => 0,
\'hide_empty\' => 1,
\'use_desc_for_title\' => 1,
\'child_of\' => 0,
\'hierarchical\' => true,
\'title_li\' => \'\',
\'show_option_none\' => \'\',
\'number\' => NULL,
\'echo\' => 0,
\'depth\' => 0,
\'current_category\' => 0,
\'pad_counts\' => 0,
\'exclude\' => $args[\'exclude\'],
\'taxonomy\' => $args[\'taxonomy\'],
\'walker\' => \'Walker_Category\'));
$cats = array();
if (!empty($cats_objects)) {
foreach ($cats_objects as $value) {
if ($value->category_parent == $args[\'term_id\']) {
$cats[$value->term_id] = array();
$cats[$value->term_id][\'term_id\'] = $value->term_id;
$cats[$value->term_id][\'name\'] = $value->name;
$cats[$value->term_id][\'count\'] = $value->count;
/*
if($get_childs) {
$cats[$value->term_id][\'childs\'] = $this->assemble_terms_childs($cats_objects, $value->term_id);
}
*
*/
}
}
}
return $cats;
}
private function assemble_terms_childs($cats_objects, $parent_id) {
$res = array();
foreach ($cats_objects as $value) {
if ($value->category_parent == $parent_id) {
$res[$value->term_id][\'term_id\'] = $value->term_id;
$res[$value->term_id][\'name\'] = $value->name;
$res[$value->term_id][\'count\'] = $value->count;
$res[$value->term_id][\'childs\'] = $this->assemble_terms_childs($cats_objects, $value->term_id);
}
}
return $res;
}
}
add_action(\'init\', array((new MDTF_ChainMenu()), \'init\'), 1);
