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PHP学习:Smarty的分页实现

Jun 08, 2016 pm 05:33 PM
list php section smarty

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Smarty中的分页有很多方法。
  1。使用Smarty的分页插件,如Pager,pagnition,sliding_page等,不过感觉都不是太好,几乎都有一些Bug。
  有兴趣试用和自己去改进的朋友可以看看:
http://smarty.php.net/contribs/plugins/view.php/function.pager.php
http://www.phpinsider.com/smarty-forum/viewtopic.php?t=2327
http://www.phpinsider.com/smarty-forum/viewtopic.php?t=1604
  2。使用分页类库,呵呵,这个网上就太多了,一大把,不过我还没有发现写得很好的,特别是容易扩展的。
  在搜索的时候还看到一个号称分页类终结者的,哈哈,有点好笑。分页类中把SQL都包含进去了,这个是绝对不能容忍的,可以说作者对OO的认识还比较浅。
  不过分页类库不一定适合Smarty,特别是当记录集数据是二维数组时,我不想放弃Smarty方便的Section。这是我没有用PEAR::Pager的原因,否则还要先对数组进行处理,也很麻烦。
  3。自己写啦。。我暂时没有选择写成类库,不过改写很容易,下面主要讲讲思路。
  其实Smarty的分页非常简单,首先我们可以在模板中这样实现:
{$pager_Links}
{section name="list" loop=$productID start=0 max=$pager_Total step=1}
{if ($smarty.section.list.index >= $pager_StartNum )&& ($smarty.section.list.index 产品名称:{$productName[list]}
产品类别:{$catalogName[list]}
{/if}
{/section}
以上就可以将一个记录集(二维数组)轻松地打印出来,而且限定每页的显示范围。
{$pager_Links} 分页标签(就是上一页,下一页等)
max=$pager_Total 记录总数
$smarty.section.list.index >= $pager_StartNum )&& ($smarty.section.list.index 这一行是用来限定记录的显示范围的,如果记录的索引落在这个范围之内就显示出来,否则就不显示。
以上可以看出,在PHP文件中,我们只需要传递4个变量给Smarty对象:
1.记录总数
2.每页记录起始数
3.每页记录结束数
4.分页标签
以下代码代参考:
标签可以自己去写了,可以扩充成更强大的。现在我没有时间,不然会写一个
$smartyArr = $smarty->get_template_vars();

//记录总数,每页显示记录条数,总页数
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