Typecho多级分类

<?php if ($category->levels == 0): ?>
    <?php $children = $category->getAllChildren($category->mid); ?>
    <?php if (empty($children)) :?>
        <li><a href="<?php $category->permalink() ?>"><?php $category->name() ?></a></li>
    <?php else : ?>
        <li><a href="<?php $category->permalink() ?>"><?php $category->name() ?></a>
            <ul>
                <?php foreach ($children as $child ): ?>
                    <?php $child = $category->getCategory($child) ?>
                    <li><a href="<?php echo $child['permalink']; ?>"> <?php echo $child['name']; ?></a></li>
                <?php endforeach ?>
            </ul>
        </li>
    <?php endif ?>
<?php endif ?>

<?php endwhile; ?>
<?php endif ?>

第二种

<?php $this->widget('Widget_Metas_Category_List')->to($categorys); ?>
<?php while($categorys->next()): ?>

<?php if ($categorys->levels === 0): ?>
    <?php $children = $categorys->getAllChildren($categorys->mid); ?>
    <?php if (empty($children)) : ?>
        <li> <?php if($this->is('category', $categorys->slug)): ?> <?php endif; ?>
            <a href="<?php $categorys->permalink(); ?>" title="<?php $categorys->name(); ?>"><?php $categorys->name(); ?></a>
        </li>
    <?php else : ?>
        <li><a  href="<?php $categorys->permalink(); ?>"><?php $categorys->name(); ?> </a>
            <ul>
                <?php foreach ($children as $mid): ?>
                    <?php $child = $categorys->getCategory($mid); ?>
                    <li <?php if($this->is('category', $mid)): ?> class="current-menu-item"<?php endif; ?> >
                    <a href="<?php echo $child['permalink'] ?>" title="<?php echo $child['name']; ?>"><?php echo $child['name']; ?> </a>
                    </li>
                <?php endforeach ?>
            </ul>
        </li>
    <?php endif; ?>
<?php endif; ?>

<?php endwhile; ?>