报错了  文件路径和名字都对

<?php

require('../smarty/Smarty.class.php');

$smarty = new Smarty();

// 配置

$smarty->left_delimiter = "{"; //左定界符

$smarty->right_delimiter = "}"; //右定界符

$smarty->template_dir="tpl";   //设置模板目录

$smarty->compile_dir = "template_c"; //模板编译生成的文件

$smarty->cache_dir = "cache"; //缓存

//以下是开启缓存的另两个配置. 因为通常不用smarty的缓存机制. 所以此项为了解.

//$smarty->caching = true ;    //开启缓存

//$smarty->cache_liftime = 120 ;    //缓存时间

$smarty->assign('test','文章标题');

$smarty->display('test.tpl');