您可以创建自己的函数，使用get_object_in_term() 对sql请求进行一些自定义。此函数只有一个过滤器（顺序）。

我知道您似乎想要一个一次性WP\\U查询，但它可以给您一些想法。

在本例中，我直接设置了一个term\\u id和args的数组（您可以添加order参数，循环遍历term\\u id，而不是直接设置自定义函数的第一个参数（我需要随机化每个类别）。

    $term_ids = array(15,11,24);
    $taxonomies = \'product_cat\';
    $args = array(
        \'global_limit\'=>25,
        \'posts_per_page\'=>1
    );
    foreach ($term_ids as $term_id){
        $terms_object = get_objects_in_term_with_limit( $term_id, $taxonomies, $args ) ;
        foreach ($terms_object as $object){
            $post = get_post($object);
            $post_object[] = array(\'ID\'=>$post->ID, \'post_title\'=> $post->post_title, \'term_id\'=>$term_id);
        }
    }
    echo json_encode($post_object);

    function get_objects_in_term_with_limit( $term_ids, $taxonomies, $args = array() ) {
        global $wpdb;

        if ( ! is_array( $term_ids ) ) {
            $term_ids = array( $term_ids );
        }
        if ( ! is_array( $taxonomies ) ) {
            $taxonomies = array( $taxonomies );
        }
        foreach ( (array) $taxonomies as $taxonomy ) {
            if ( ! taxonomy_exists( $taxonomy ) ) {
                return new WP_Error( \'invalid_taxonomy\', __( \'Invalid taxonomy.\' ) );
            }
        }

        $defaults = array( \'order\' => \'ASC\', \'posts_per_page\'=>5, \'global_limit\'=>25 );
        $args = wp_parse_args( $args, $defaults );

        $order = ( \'desc\' == strtolower( $args[\'order\'] ) ) ? \'DESC\' : \'ASC\';

        $global_limit = \'LIMIT \'. $args[\'global_limit\'];
        $limit = \'BY RAND() LIMIT \'. $args[\'posts_per_page\'];

        $term_ids = array_map(\'intval\', $term_ids );

        $taxonomies = "\'" . implode( "\', \'", array_map( \'esc_sql\', $taxonomies ) ) . "\'";
        $term_ids = "\'" . implode( "\', \'", $term_ids ) . "\'";

        $object_ids = $wpdb->get_col("(SELECT tr.object_id FROM $wpdb->term_relationships AS tr 
              INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id 
              WHERE tt.taxonomy IN ($taxonomies) AND tt.term_id IN ($term_ids) 
              ORDER BY tr.object_id $order $global_limit) 
              ORDER $limit");

        if ( ! $object_ids ){
            return array();
        }
        return $object_ids;
    }