WordPress怎么实现相关文章功能？几种方法分享

    
* 文章标题1
    
* 文章标题2
    ......

ID);if ($cats) {
    $args = array(
		  'category__in' => array( $cats[0] ),
		  'post__not_in' => array( $post->ID ),
		  'showposts' => 6,
		  'caller_get_posts' => 1
	  );
  query_posts($args);

  if (have_posts()) {
    while (have_posts()) {
      the_post(); update_post_caches($posts); ?>
  
* 
* 暂无相关文章';
  }
  wp_reset_query(); }else {
  echo '
* 暂无相关文章
';}?>

ID);if ($post_tags) {
    $tag_list = '';
    foreach ($post_tags as $tag) {
        // 获取标签列表
        $tag_list .= $tag->term_id.',';
    }
    $tag_list = substr($tag_list, 0, strlen($tag_list)-1);

    $related_posts = $wpdb->get_results("
        SELECT DISTINCT ID, post_title
        FROM {$wpdb->prefix}posts, {$wpdb->prefix}term_relationships, {$wpdb->prefix}term_taxonomy
        WHERE {$wpdb->prefix}term_taxonomy.term_taxonomy_id = {$wpdb->prefix}term_relationships.term_taxonomy_id
        AND ID = object_id
        AND taxonomy = 'post_tag'
        AND post_status = 'publish'
        AND post_type = 'post'
        AND term_id IN (" . $tag_list . ")
        AND ID != '" . $post->ID . "'
        ORDER BY RAND()
        LIMIT 6");
        // 以上代码中的 6 为限制只获取6篇相关文章
        // 通过修改数字 6，可修改你想要的文章数量

    if ( $related_posts ) {
        foreach ($related_posts as $related_post) {?>
    
post_title; ?>
暂无相关文章';
    } }else {
  echo '
暂无相关文章
';}?>

ID);if ($cats) {
  $related = $wpdb->get_results("
  SELECT post_title, ID
  FROM {$wpdb->prefix}posts, {$wpdb->prefix}term_relationships, {$wpdb->prefix}term_taxonomy
  WHERE {$wpdb->prefix}posts.ID = {$wpdb->prefix}term_relationships.object_id
  AND {$wpdb->prefix}term_taxonomy.taxonomy = 'category'
  AND {$wpdb->prefix}term_taxonomy.term_taxonomy_id = {$wpdb->prefix}term_relationships.term_taxonomy_id
  AND {$wpdb->prefix}posts.post_status = 'publish'
  AND {$wpdb->prefix}posts.post_type = 'post'
  AND {$wpdb->prefix}term_taxonomy.term_id = '" . $cats[0] . "'
  AND {$wpdb->prefix}posts.ID != '" . $post->ID . "'
  ORDER BY RAND( )
  LIMIT 6");

  if ( $related ) {
	  foreach ($related as $related_post) {?>
	
* post_title; ?>
* 暂无相关文章';
  } }else {
  echo '
* 暂无相关文章
';}?>

 $post_author,
        'post__not_in' => array($post->ID),
        'showposts' => 6,				// 显示相关文章数量
        'orderby' => date,			// 按时间排序
        'caller_get_posts' => 1
    );
  query_posts($args);

  if (have_posts()) {
    while (have_posts()) {
      the_post(); update_post_caches($posts); ?>
  
* 
* 暂无相关文章';
  }
  wp_reset_query();?>