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不用插件，自动在WordPress日志尾部显示相关日志 以前介绍过通过简码在WordPress插入相关日志（代码在这篇有介绍）或使用插件显示相关日志的方法，各有各的优点。今天的这篇提到的还是相关日志问题：自动在每篇日志的尾部插入相关日志。 在你当前主题的 functions.php 文件中添加以下代码即可//在日志尾部显示相关日志 function wp_get_related_posts() { global $wpdb, $post,$table_prefix; $limit = 8; //显示8篇相关日志 if(!$post->ID){return;} $now = current_time('mysql', 1); $tags = wp_get_post_tags($post->ID); $taglist = "'" . $tags[0]->term_id. "'"; $tagcount = count($tags); if ($tagcount > 1) { for ($i = 1; $i < $tagcount; $i++) { $taglist = $taglist . ", '" . $tags[$i]->term_id . "'"; } } $limitclause = "LIMIT $limit"; $q = "SELECT p.ID, p.post_title, p.post_date, p.comment_count, count(t_r.object_id) as cnt FROM $wpdb->term_taxonomy t_t, $wpdb->term_relationships t_r, $wpdb->posts p WHERE t_t.taxonomy ='post_tag' AND t_t.term_taxonomy_id = t_r.term_taxonomy_id AND t_r.object_id = p.ID AND (t_t.term_id IN ($taglist)) AND p.ID != $post->ID AND p.post_status = 'publish' AND p.post_date_gmt < '$now' GROUP BY t_r.object_id ORDER BY cnt DESC, p.post_date_gmt DESC $limitclause;"; $related_posts = $wpdb->get_results($q); $output = ""; if (!$related_posts) { $output .= '<li>暂无相关日志。</li>'; } foreach ($related_posts as $related_post ) { $dateformat = get_option('date_format'); $output .= '<li>'; $output .= '<a href="'.get_permalink($related_post->ID).'" title="'.wptexturize($related_post->post_title).' ('.mysql2date($dateformat, $related_post->post_date).')">'.wptexturize($related_post->post_title).'</a> ('. $related_post->comment_count .')'; $output .= '</li>'; } $output = '<h4>你可能还会喜欢的日志：</h4><ul>' . $output . '</ul>'; return $output; } function wp_related_posts_attach($content) { if (is_single()||is_feed()) { $output = wp_get_related_posts(); $content = $content . $output; } return $content; } add_filter('the_content', 'wp_related_posts_attach',100); 保存functions.php文件后，紧跟每篇日志的后面都会显示相关的8篇日志。
