[当我选择类别时，帖子不会按类别/分类法进行筛选-所有帖子都只会显示在页面上。
我已经尝试调试，但是没有运气。任何帮助将不胜感激！
这也是我的项目文件的github链接：https://github.com/guyku/WordPressAjax_RyanMcGovern_Lesson
index.php：
<!DOCTYPE html>
<html <?php language_attributes(); ?>>
<body>
<div id="content">
<?php include('content.php'); ?>
</div>
</body>
</html>
content.php：
<div class="js-filter">
<?php
$args = array(
'post_type' => 'post',
'posts_per_page' => -1
);
$query = new WP_Query($args);
if($query->have_posts()) :
while($query->have_posts()) : $query->the_post();
the_title('<h2>', '</h2>');
the_content('<p>', '</p>');
endwhile;
endif;
wp_reset_postdata(); ?>
</div>
<div class="categories">
<ul>
<li class="js-filter-item"><a href="<?= home_url(); ?>">All</a></li>
<?php
$cat_args = array(
'exclude' => array(1),
'option_all' => 'All'
);
$categories = get_categories($cat_args);
foreach($categories as $cat) : ?>
<li class="js-filter-item"><a data-category="<?= $cat->term_id; ?>" href="<?= get_category_link($cat->term_id); ?>"><?= $cat->name; ?></a></li>
<?php endforeach; ?>
</ul>
</div>
scripts.js：
(function($){
$(document).ready(function(){
$(document).on('click', '.js-filter-item > a', function(e){
e.preventDefault();
var category = $(this).data('category');
$.ajax({
url:wp_ajax.ajax_url,
data: { action: 'filter', category: category },
type: 'post',
success: function(result) {
$('.js-filter').html(result);
},
error: function(result) {
console.warn(result);
}
});
});
});
})(jQuery);
scripts.php：
<?php
/*
* Enqueue scripts.js if file scripts.js exists
*/
function load_scripts() {
wp_enqueue_script('ajax', get_template_directory_uri() . 'scripts.js', array('jquery'), NULL, true);
wp_localize_script('ajax' , 'wp_ajax',
array('ajax_url' => admin_url('admin-ajax.php'))
);
}
add_action( 'wp_enqueue_scripts', 'load_scripts');
?>
example.php：
<?php
add_action( 'wp_ajax_nopriv_filter', 'filter_ajax' );
add_action( 'wp_ajax_filter', 'filter_ajax' );
function filter_ajax() {
$category = $_POST['category'];
$args = array(
'post_type' => 'post',
'posts_per_page' => -1
);
if(isset($category)) {
$args['category__in'] = array($category);
}
$query = new WP_Query($args);
if($query->have_posts()) :
while($query->have_posts()) : $query->the_post();
the_title('<h2>', '</h2>');
the_content('<p>', '</p>');
endwhile;
endif;
wp_reset_postdata();
die();
}
?>
functions.php：
<?php
require_once('scripts.php');
require_once('example.php');
?>
在您的content.php文件中
您必须添加类别名称$ args = array（
'post_type' => 'post',
'posts_per_page' => -1,
'category_name' => 'Your_Category_Name'
);