这个扩展extend分页要怎么写呀哪个小哥哥知道告诉一下

  {extend cid=$id order=displayorder,id_asc}
                                    <div class="image-item">
                                        <div class="image-thumbnail">
                                           
 <a href="{$t.url}" ><img src="{dr_thumb($t.preview, 200, 
200)}" width="200" height="200"></a>
                                        </div>
                                        <div class="image-title">
                                            <a href="{$t.url}" class="title">{dr_strcut($t.name, 28)}</a>
                                        </div>
                                    </div>
                                    {/extend}

这个扩展extend 分页要怎么写呀，哪个小哥哥知道告诉一下