GET_POST起作用，但新的wp_Query不起作用

有人告诉我get_posts 是一个非常糟糕的函数new WP_query 绝对更好。

我的问题是get_posts 代码可以工作，但当我尝试将其转换为WP_query, 它返回空白结果。请帮忙？：（我真的很想这样做，因为我怀疑index.php/category-9.php上的get\\u帖子干扰了category.php上的正常循环。）

Get\\u posts版本：

<?php if ( have_posts() ) : while ( (have_posts() ) ) : the_post(); ?>
  <div class="postcontainer">
    <h2><a href="<?php the_permalink();?>"><?php the_title(\'\'); ?></a></h2>

    <?php
    $args = array(
        \'post_type\' => \'attachment\',
        \'post_mime_type\' => \'image\',
        \'numberposts\' => 4,
        \'post_status\' => null,
        \'post_parent\' => $post->ID,
        \'orderby\' => name,
        \'order\' => ASC
    );
    $attachments = get_posts($args);
    if ($attachments) {
      foreach ($attachments as $post) {
        setup_postdata($post); ?>
          <a class="postpreview" href="<?php echo get_permalink($post->post_parent) ?>"><?php echo wp_get_attachment_image($post->ID, thumbnail) ?></a>
      <?php }; 
    }; ?>
    <div class="clear"></div>
  </div>
<?php endwhile; endif; wp_reset_query(); ?>

WP\\U查询版本：

<?php if ( have_posts() ) : while ( (have_posts() ) ) : the_post(); ?>
  <div class="postcontainer">
    <h2><a href="<?php the_permalink();?>"><?php the_title(\'\'); ?></a></h2>

    <?php
    $args = array(
        \'post_type\' => \'attachment\',
        \'post_mime_type\' => \'image\',
        \'numberposts\' => 4,
        \'post_status\' => null,
        \'post_parent\' => $post->ID,
        \'orderby\' => name,
        \'order\' => ASC
    );
    $attachments = new WP_Query($args);
      while ($attachments->have_posts()) : ?>
          <a class="postpreview" href="<?php echo get_permalink($post->post_parent) ?>"><?php echo wp_get_attachment_image($post->ID, thumbnail) ?></a>
      <?php endwhile; wp_reset_postdata(); ?>
    <div class="clear"></div>
  </div>
<?php endwhile; endif; ?>

<?php //as you are inside a loop but I don\'t see $post variable in your code, //I assume you want the current post in the loop as parent $parent_id = get_the_ID(); $args = array( \'post_type\' => \'attachment\', \'post_mime_type\' => \'image\', \'posts_per_page\' => 4, \'post_status\' => \'inherit\', \'post_parent\' => $parent_id, \'orderby\' => \'name\', \'order\' => \'ASC\' ); $attachments = new WP_Query($args); while ($attachments->have_posts()) { $attachments->the_post(); //I pass $parent_id to get_permalink() because you was trying //to do that in your code but I\'m not sure if this is what you want ?> <a class="postpreview" href="<?php echo get_permalink($parent_id); ?>"><?php echo wp_get_attachment_image(get_the_ID(), \'thumbnail\') ?></a> <?php } wp_reset_postdata(); ?>

使用新的WP-Query()从循环中过滤后期格式；

嗨，我目前正在为我的博客构建一个主题。下面的代码指向最新的帖子（特色帖子）。因为这将有一个不同的风格比所有其他职位。然而我想过滤掉帖子格式：链接使用我在循环中定义的WP查询，因为它给我带来了更多的灵活性。我该怎么做呢？ <?php $featured = new WP_Query(); $featured->query(\'showposts=1\'); ?> <?php while ($featured->have_post

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使用新的WP-Query()从循环中过滤后期格式；