是的，这是可能的，而且代码中的更改非常小。。。

get_posts() 使用WP_Query, 因此，您可以使用此列表中的所有参数：https://codex.wordpress.org/Class_Reference/WP_Query#Date_Parameters

下面是更改后的代码：

$args = array(
    \'post_type\'  => \'your_custom_post_type\',
    \'author\'     => get_current_user_id(),
    \'date_query\' => array(
        array(
            \'after\'     => \'- X days\', // <- change X to number of days
            \'inclusive\' => true,
        ),
     ),
     \'fields\' => \'ids\', // you only want the count of posts, so it will be much nicer to get only IDs and not all contents from DB
);

$wp_posts = get_posts($args);

if (count($wp_posts)) {
    echo "Yes, the current user has \'your_custom_post_type\' posts published!";
} else {
    echo "No, the current user does not have \'your_custom_post_type\' posts published.";
}