好

我解决了自己的问题。如果将来有人需要它，您可以使用以下代码：

$query = new WP_Query( array(
    \'cat\' => \'22\', 
    \'posts_per_page\' => -1, 
    \'orderby\' => \'meta_value\',
    \'meta_key\' => \'meta_key_here\',
    \'order\' => \'DESC\',
    \'fields\' => \'ids\'
));

global $post;

$i = array_search( $post->ID, $query->posts ) + 1; 

echo \'<div class="ranks">\';
echo \'<a href="/...">Post Ranking: </a>\'; 
echo "{$i}"; 
echo \'</div>\';

$query = new WP_Query( array(
        \'tag_id\' => \'22\', 
        \'posts_per_page\' => -1, 
        \'orderby\' => \'meta_value\',
        \'meta_key\' => \'meta_key_here\',
        \'order\' => \'DESC\',
        \'fields\' => \'ids\'
    ));

    global $post;

    $i = array_search( $post->ID, $query->posts ) + 1; 

    echo \'<div class="ranks">\';
    echo \'<a href="/...">Post Ranking: </a>\'; 
    echo "{$i}"; 
    echo \'</div>\';