获取某个分类下所有文章相关的标签
获取某个分类(Category)下所有文章相关的标签（TAGS） 首先获取分类下的所有文章： query_posts(array( ‘post_type’ => ‘portfolio’, ‘showposts’ => -1, ‘tax_query’ => array( array( ‘taxonomy’ => ‘portfolio-class’, ‘terms’ => $the_taxonomy, ‘field’ => ‘term_id’, ) ), ‘orderby’ => ‘date’, ‘order’ => …