wordpress 开发：获取上下篇日志的链接、标题、特色图像

1
<div class="post-PrevNext">
2
  <?php
3
    $current_category = get_the_category();//获取当前文章所属分类ID
4
    $prev_post = get_previous_post($current_category,'');//与当前文章同分类的上一篇文章
5
    $next_post = get_next_post($current_category,'');//与当前文章同分类的下一篇文章
6
  ?>
7
  <div class="previous_post_link">
8
    <?php if (!empty( $prev_post )): ?>
9
    <a href="<?php echo get_permalink( $prev_post->ID ); ?>"><?php echo get_the_post_thumbnail( $prev_post->ID, '', '' ); ?></a> 上一篇: <a href="<?php echo get_permalink( $prev_post->ID ); ?>"><?php echo $prev_post->post_title; ?></a>
10
    <?php endif; ?>
11
  </div>
12
  <div class="next_post_link">
13
    <?php if (!empty( $next_post )): ?>
14
    <a href="<?php echo get_permalink( $next_post->ID ); ?>"><?php echo get_the_post_thumbnail( $next_post->ID, '', '' ); ?></a> 下一篇: <a href="<?php echo get_permalink( $next_post->ID ); ?>"><?php echo $next_post->post_title; ?></a>
15
    <?php endif; ?>
16
  </div>
17
</div>

1
.previous_post_link,.next_post_link,img{
2
  width: 420px;
3
  height: 230px;
4
}