<?php
// 获取当前文章的ID
$current_post_id = get_the_ID();
// 获取当前文章的分类ID(以第一个分类为例)
$categories = get_the_category($current_post_id);
if ($categories) {
$category_ids = array();
foreach ($categories as $category) {
$category_ids[] = $category->term_id;
}
// 构建相关文章查询参数
$args = array(
'category__in' => $category_ids, // 相同分类
'post__not_in' => array($current_post_id), // 排除当前文章
'posts_per_page' => 6, // 显示6篇
'ignore_sticky_posts' => 1, // 忽略置顶文章
'orderby' => 'rand', // 随机排序(可选:date/comment_count)
);
$related_query = new WP_Query($args);
if ($related_query->have_posts()) :
echo '<h3>相关文章</h3>';
echo '<ul class="related-posts">';
while ($related_query->have_posts()) : $related_query->the_post();
?>
<li>
<a href="<?php the_permalink(); ?>" title="<?php the_title_attribute(); ?>">
<?php
// 显示缩略图(需主题支持)
if (has_post_thumbnail()) {
the_post_thumbnail('thumbnail');
}
the_title(); // 显示标题
?>
</a>
</li>
<?php
endwhile;
echo '</ul>';
// 重置主查询数据
wp_reset_postdata();
else :
echo '<p>暂无相关文章</p>';
endif;
}
?>
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