我收到帖子并按标签过滤Ayah。我得到了所有的帖子。这很有效。但是，当我到达帖子的父页面时，我需要获取唯一的子帖子并过滤它们。我在请求中使用“post\\u parent”=>$post->ID，但这在函数中不起作用。如果我在我想要获取它的页面上使用查询，它会很好地打印出来。

/*Ajax Filter*/

//Get Applications Filters
function get_applications_filters()
{
    $args = array( \'taxonomy\'      => array( \'products_tags\'));
    $terms = get_terms( $args, $deprecated );
    $filters_html = false;

    if( $terms ):
        $filters_html = \'<ul>\';

        foreach( $terms as $term )
        {
            $term_id = $term->term_id;
            $term_name = $term->name;

            $filters_html .= \'<li class="term_id_\'.$term_id.\'">\'.$term_name.\'<input type="checkbox" name="filter_applications[]" value="\'.$term_id.\'"></li>\';   
        }
        $filters_html .= \'<li class="clear-all">Reset Filter</li>\';
        $filters_html .= \'</ul>\';

        return $filters_html;
    endif;
}

//Add Ajax Actions
add_action(\'wp_ajax_applications_filter\', \'ajax_applications_filter\');
add_action(\'wp_ajax_nopriv_applications_filter\', \'ajax_applications_filter\');

//Construct Loop & Results
function ajax_applications_filter()
{
    $query_data = $_GET;

    $applications_terms = ($query_data[\'applications\']) ? explode(\',\',$query_data[\'applications\']) : false;

    $tax_query = ($applications_terms) ? array( array(
        \'taxonomy\' => \'products_tags\',
        \'field\' => \'id\',
        \'terms\' => $applications_terms
    ) ) : false;

    $search_value = ($query_data[\'search\']) ? $query_data[\'search\'] : false;

    //$paged = (isset($query_data[\'paged\']) ) ? intval($query_data[\'paged\']) : 1;

    $products_args = array(
        \'post_type\' => \'products\',
        \'s\' => $search_value,
        \'posts_per_page\' => -1,
        \'tax_query\' => $tax_query,
        \'post_parent\'    => $post->ID,
        //\'paged\' => $paged
    );

    $products_loop = new WP_Query($products_args);

    if( $products_loop->have_posts() ):
        while( $products_loop->have_posts() ): $products_loop->the_post();
            get_template_part(\'template-parts/content-products-archive\');
        endwhile;
    else:
        get_template_part(\'content-none\');
    endif;
    wp_reset_query();

    die();
}

//Applications Ajax Filtering
jQuery(function($) {
    //Load posts on page load
    applications_get_posts();

    //If list item is clicked, trigger input change and add css class
    $(\'#applications-filter li\').live(\'click\', function(){
        var input = $(this).find(\'input\');

        if ( $(this).attr(\'class\') == \'clear-all\' )
        {
            $(\'#applications-filter li\').removeClass(\'selected\').find(\'input\').prop(\'checked\',false);
            applications_get_posts();
        }
        else if (input.is(\':checked\'))
        {
            input.prop(\'checked\', false);
            $(this).removeClass(\'selected\');
        } else {
            input.prop(\'checked\', true);
            $(this).addClass(\'selected\');   
        }

        input.trigger("change");


    });

    //If input is changed, load posts
    $(\'#applications-filter input\').live(\'change\', function(){
        applications_get_posts(); //Load Posts
    });


    //Find Selected Applications
    function getSelectedApplications()
    {
        var applications = [];

        $("#applications-filter li input:checked").each(function() {
            var val = $(this).val();
            applications.push(val);
        });     

        return applications;
    }

    //Fire ajax request when typing in search
    $(\'#applications-search input.text-search\').live(\'keyup\', function(e){
        if( e.keyCode == 27 )
        {
            $(this).val(\'\');
        }

        applications_get_posts(); //Load Posts
    });

    $(\'#submit-search\').live(\'click\', function(e){
        e.preventDefault();
        applications_get_posts(); //Load Posts
    });

    //Get Search Form Values
    function getSearchValue()
    {
        var searchValue = $(\'#applications-search input.text-search\').val();    
        return searchValue;
    }

    //If pagination is clicked, load correct posts
    $(\'.applications-filter-navigation a\').live(\'click\', function(e){
        e.preventDefault();

        var url = $(this).attr(\'href\');
        var paged = url.split(\'&paged=\');

        applications_get_posts(paged[1]); //Load Posts (feed in paged value)
    });

    //Main ajax function
    function applications_get_posts(paged)
    {
        var paged_value = paged;
        var ajax_url = ajax_applications_params.ajax_url;

        $.ajax({
            type: \'GET\',
            url: ajax_url,
            data: {
                action: \'applications_filter\',
                applications: getSelectedApplications,
                search: getSearchValue(),
                paged: paged_value
            },
            beforeSend: function ()
            {


            },
            success: function(data)
            {
                //Hide loader here
                $(\'#applications-results\').html(data);
                $(\'#applications-results .wrap\').matchHeight({
                byRow: true
            });
            },
            error: function()
            {
                $("#applications-results").html(\'<p>There has been an error</p>\');
            }
        });             
    }

});