本文实例讲述了smarty模板引擎之配置文件数据和保留数据的方法。分享给大家供大家参考。具体如下：
一、如何让模板直接从配置文件中取出数据
1.使用场合
当某个变量值，不希望直接写死到程序中（通过smarty分配）,就可以通过配置文件来获取。
2.写配置文件
新建文件夹：config
新建文件名：my.ini或my.config
内容：key=value;
例子：
title="This is the title of the website." bgcolor="pink"
3.使用方法
载入配置文件：{config_laod file="路径"}
使用配置文件数据：
例子：
{config_laod file="my.config"}
<body bgcolor='<{#bgcolor#}>'>...</body>
二、如何获得保留变量的数据
即，如何取得get/post/session/server数据。这些数据是保存在数组中的，smarty封装了方法，可以直接通过smarty变量进行获取。
1.获得get数据
传统方式：先取得get数据，再分配给smarty。但是smarty本身封装了方法，不用分配，就可以直接获得get数据。
使用方法如下：
用户名：<{$smarty.get.username}><br/>
密码：<{$smarty.get.password}><br/>
2.获得post数据
使用方法如下：
用户名：<{$smarty.post.username}><br/>
密码：<{$smarty. post.password}><br/>
3.获得server数据
使用方法如下：
服务器名称：<{$smarty.server.SERVER_NAME}>
希望本文所述对大家的php程序设计有所帮助。
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