Question

<div class="actions">
 <?php
    foreach ($images as $image):

        if ($image['Image']['img_file'] != null) {
            echo $html->image('uploads' . DS . 'images' . DS . $image['Image']['img_file'], array('alt' => 'Gallery Image'));
            echo $this->Html->link(__('Delete', true), array('action' => 'delete', $image['Image']['id']), null, sprintf(__('Are you sure you want to delete # %s?', true), $image['Image']['id']));
        }

        else {
            echo $this->Html->link(__('Add image', true), array('action' => 'add'));
        }
        endforeach;
        ?>
</div>

嗨，我希望得到以下内容：如果图片为空，我想显示“添加图片”链接，否则如果有图片，我想显示“删除”链接。使用上面的代码，它似乎不起作用。请协助。谢谢。

Answer 1

如果我理解正确，当图库中没有图像时，您想要显示“添加图像”链接。但是当没有图像时，数组是空的，因此循环永远不会运行一次。也许是这样的：

if( !empty( $images ) ) {
    foreach ($images as $image) {
        echo $this->Html->image('uploads' . DS . 'images' . DS . $image['Image']['img_file'], array('alt' => 'Gallery Image'));
        echo $this->Html->link(__('Delete', true), array('action' => 'delete', $image['Image']['id']), null, sprintf(__('Are you sure you want to delete # %s?', true), $image['Image']['id']));
    }
}
else {
    echo $this->Html->link(__('Add image', true), array('action' => 'add'));
}

如果图像为空，则显示链接

1 个答案: