为什么要加载整个页面的HTML，而不是选定的帖子内容？

功能。PHP

function my_action_callback() {
    wp_localize_script(\'main_js\', \'ajax_custom\', array(
       \'ajaxurl\' => admin_url(\'admin-ajax.php\')
    ));
}
add_action( \'wp_enqueue_scripts\', \'my_action_callback\' );

function my_php_function_name() {
    $the_post_id = $_POST[\'post_id\'];
    $args = array(
        \'post_type\' => \'offer\',
        \'post_status\' => \'publish\',
        \'p\' => $the_post_id
    );
    global $post;
    $the_query = new WP_Query($args);
    if ($the_query->have_posts()) {
        while ($the_query->have_posts()) { $the_query->the_post(); 
            the_content();
        } wp_reset_postdata(); 
    }
}

$(".offer .item").click(function () {
    var post_id = $(this).attr("data-id")
    $("#post-container").html("content loading");
    $.ajax({
        url: ajax_custom.ajax_url,
        type: \'post\',
        data: {
            action: \'my_php_function_name\',
            post_id: post_id
        },
        success: function (data) {
            console.log(data);
            jQuery(\'#post-container\').html(data);
        }
    });
    return false;
});