wordpress get

<div class="widget" id="diary1">
<h3>随机呈现</h3>
<ul>
<?php
$args=array(
'numberposts'=>16,
'category'=>'-9,-12',
'orderby'=>'rand'
);
$rand_posts = get_posts($args);
foreach( $rand_posts as $post ) :
?>
<li><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></li>
<?php endforeach; ?>
</ul>
</div>

$args=array(
'numberposts'=>16,
'category'=>'-9,-12',
'orderby'=>'rand'
);

<?php $args = array(
'posts_per_page' => 5,
'numberposts' => 5,
'offset' => 0,
'category' => '',
'orderby' => 'post_date',
'order' => 'DESC',
'include' => '',
'exclude' => '',
'meta_key' => '',
'meta_value' => '',
'post_type' => 'post',
'post_mime_type' => '',
'post_parent' => '',
'post_status' => 'publish',
'suppress_filters' => true );
?>