请放到文章侧边栏，否则无法获取到作者用户信息
id_base)) { echo $args['before_title'] . $title . $args['after_title']; } } public function widget_end($args) { echo $args['after_widget']; } function update($new_instance, $old_instance) { $instance = $old_instance; $instance['title'] = sanitize_text_field($new_instance['title']); return $instance; } function widget($args, $instance) { $this->widget_start($args, $instance); $author_id = get_the_author_meta('ID'); $author_description = get_the_author_meta('description'); $author_url = get_author_posts_url($author_id); $author_name = get_the_author(); $avatar = get_avatar($author_id, 50, ''); ?> widget_end($args, $instance); } } // register widget function register_corepress_author_widget() { register_widget('CorePress_author_widget'); } add_action('widgets_init', 'register_corepress_author_widget');