我有一个模仿this article的ajax发布过滤器。我可以根据需要大致上运行它,但是我希望能够按类别过滤讲座(实际上是一个子类别,但我不知道这是否有区别)。
我有用于演讲者的过滤器和用于最新讲座的过滤器,这些过滤器工作正常,但是当我尝试运行系列过滤器时(带有elseif(isset($ set($ _ POST ['series_name'])))的部分),我没有任何反应。如果尝试先运行系列过滤器,它将触发一次,但随后将无响应。如果我尝试先运行任何其他过滤器,它们将可以正常工作,但随后系列过滤器将完全无法启动。我认为我的问题是在设置$ _POST ['series_name']时如何处理WP_Query的$ args。
任何指针将不胜感激,谢谢!
这是我的PHP:
function lectures_filter_function(){
$i = 1;
$args = array(
'post_type' => 'lectures',
'orderby' => 'meta_value',
'meta_key' => 'lecture_date',
'order' => 'DESC'
);
if( isset( $_POST['speaker'] ) )
{
$args['meta_query'][] = array(
'key' => 'speaker',
'value' => $_POST['speaker'],
);
}
elseif( isset( $_POST['series_name'] ) )
{
//*This is how I wanted to code it but it didn't work at all*
// $args['tax_query'] = array(
// array(
// 'taxonomy' => 'category',
// 'value' => 'category_name',
// 'terms' => $_POST['series_name']
// )
// );
//This is how I at least got it to fire once per screen load.
$args = array(
'category_name' => $_POST['series_name'],
'post_type' => 'lectures',
'orderby' => 'meta_value',
'meta_key' => 'lecture_date',
'order' => 'DESC'
);
}
$the_query = new WP_Query( $args );
$postlist = $the_query->post_count;
// The Query
// The Loop
if ( $the_query->have_posts() ) {
while ( $the_query->have_posts() ) {
$the_query->the_post();
// print_r($the_query);
if($i % 2 == 1){
echo '<div class="row">';
}
?>
<div class="large-6 columns lecture-tile">
<div class="lecture-overlay-container">
<a href="<?php the_permalink();?>">
<div class="lecture-tile-overlay"></div>
<?php the_post_thumbnail('full');?>
<div class="lecture-tile-info">
<h3><?php the_title();?></h3>
<?php
$current_id = get_the_id();
$lecture_type = get_post_meta($current_id, 'lecture_type', true);
if($lecture_type == "Single"){
$lecture_descriptor = "lecture";
}elseif ($lecture_type == 'Series') {
$series_name = get_post_meta($current_id, 'series_name', true);
$lecture_descriptor = $series_name;
}elseif ($lecture_type == 'Event') {
$event_name = get_post_meta($current_id, 'event_name', true);
$lecture_descriptor = $event_name;
}
?>
<p><?php echo $lecture_descriptor; ?></p>
</div>
</a>
</div>
</div>
<?php
if($i % 2 == 0 || $i == $num_posts){
echo '</div>';
}
$i++;
}
/* Restore original Post Data */
wp_reset_postdata();
} else {
// no posts found
echo "No matching lectures found...";
}
die();
}
add_action('wp_ajax_myfilter', 'lectures_filter_function');
add_action('wp_ajax_nopriv_myfilter', 'lectures_filter_function');
最佳答案
尝试这个
$args = array(
'post_type' => 'post',
'tax_query' => array(
'relation' => 'AND',
array(
'taxonomy' => 'movie_genre',
'field' => 'slug',
'terms' => array( 'action', 'comedy' ),
),
array(
'taxonomy' => 'actor',
'field' => 'term_id',
'terms' => array( 103, 115, 206 ),
'operator' => 'NOT IN',
),
),
);
$query = new WP_Query( $args );
关于javascript - 带有WP_Query的Ajax Post过滤器仅对Category触发一次,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/40734772/