Question

我想按'老不'按降序排列。我不确定是怎么回事，因为它不是来自数据库，而是生成了php。

<table>
    <tr>
        <th>Sr. No</th>
        <th>Naslov</th>
    </tr>
    <?php $counter = 0; foreach($posts as $post) : $counter++; ?>
    <tr>
        <td><?php echo $counter?></td>
        <td><?php echo $this->Html->link($post['Post']['title'], array('controller' => 'Posts', 'action'=> 'view', $post['Post']['id']), array('class' => 'link')); ?></td>
    </tr>
    <?php endforeach; ?>
    <?php unset($post); ?>
</table>

Answer 1

您需要按以下顺序设置$counter： -

<?php $counter = count($posts); foreach($posts as $post) : $counter--; ?>
    <tr>
        <td><?php echo $counter?></td>
        <td><?php echo $this->Html->link($post['Post']['title'], array('controller' => 'Posts', 'action'=> 'view', $post['Post']['id']), array('class' => 'link')); ?></td>
    </tr>
<?php endforeach; ?>

如果您希望Naslov（表示帖子）也按降序排列，那么在查询中您必须执行ORDER BY <column name like id> DESC

检查如何应用DESC： - https://stackoverflow.com/a/9837302/4248328

示例： - $this->Post->find('all', array('order' =>array('Post.id DESC')));

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1 个答案: