显示文件：index.php：
复制代码 代码如下:
<?php
//创建smarty对象
require_once("./libs/Smarty.class.php");
$smarty = new Smarty();
$arr1 = array("北京","上海","广州");//索引数组
$smarty->assign("arr1",$arr1);//分配索引数组
$arr2 = array("city1"=>"北京","city2"=>"上海","city3"=>"广州");//关联数组
$smarty->assign("arr2",$arr2);//分配关联数组
$arr3 = array(array("北京","上海","广州"),array("关羽","张飞","美女"));//二维索引数组
$smarty->assign("arr3",$arr3);
$arr4 = array(array("c1"=>"北京","c2"=>"上海","c3"=>"广州"),array("n1"=>"关羽","n2"=>"张飞","n3"=>"美女"));//二维关联数组
$smarty->assign("arr4",$arr4);
$smarty->display("temp.tpl");
?>
模板文件：temp.tpl
复制代码 代码如下:
<html>
<h2>smarty内建函数foreach，循环取出数组值</h2>
<p>实例1：一维索引数组</p>
{foreach from=$arr1 item=temp}
{$temp}
{/foreach}
<p>实例2：一维关联数组——>item为键值，key为键名。如果不取key，取出方法与一维索引数组相同，当然索引数组也是有key的0,1,2...</p>
{foreach from=$arr2 item=temp key=k}
{$k}={$temp}
{/foreach}
<p>实例3：二维索引数组——>两次循环即可</p>
{foreach from=$arr3 item=temp}
{foreach from=$temp item=value}
{$value}
{/foreach}<br />
{/foreach}
<p>实例4：二维关联数组——>同样两次循环即可</p>
{foreach from=$arr4 item=temp}
{foreach from=$temp item=value key=k}
{$k}={$value}
{/foreach}<br />
{/foreach}