跑 SQL

$wpdb->get_results

通常额外取文章列表数据
query_posts($args);
也可用以下方式：

$query = get_posts($args)
$query = new WP_Query($args)

意义差不多看需求

https://developer.wordpress.org/reference/functions/get_posts/#
get_posts();

WordPress 数据获取参数三大块
https://developer.wordpress.org/reference/classes/wp_term_query/
https://developer.wordpress.org/reference/functions/query_posts/
https://developer.wordpress.org/reference/classes/wp_query/