wordpress在一个页面显示所有文章的实现方法

<?php the_content(); ?>

<?php
$cats = get_categories();
foreach ( $cats as $cat ) {
query_posts( 'showposts=10&cat=' . $cat->cat_ID );
?>
<h3><?php echo $cat->cat_name; ?></h3>
<ul class="sitemap-list">
<?php while ( have_posts() ) { the_post(); ?>
<li><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></li>
<?php } wp_reset_query(); ?>
</ul>
<?php } ?>

$cats = get_categories();

$cats = get_categories(array('include' => '1,2,3'));