Smarty模板原理

来源：互联网发布：艾媒咨询数据编辑：程序博客网时间：2024/06/03 19:08

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mysmarty.class.php

   <?php
   //自定义Smarty模拟类
   class MySmarty{
       private $data = array();
       //向模板中放置变量方法
       public function assign($name,$value){
           $this->data[$name] = $value;
       }
       //加载并输出模板
       public function display($tpl){
           //获取模板内容
           $text = file_get_contents($tpl);
           //遍历属性data，做信息替换
           foreach($this->data as $k=>$v){
               $text = str_replace('{$'.$k.'}',$v,$text);
           }
           echo $text;
           //生成静态缓存
           file_put_contents($tpl.".html",$text);
       }

}

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demo.php
   <?php
   $title = "自定义Smarty模板引擎";
   $content = "Smarty模板引擎原理";
   require("mysmarty.class.php");
   $smarty = new MySmarty();
   $smarty->assign("title",$title);
   $smarty->assign("content",$content);

$smarty->display("demo.tpl");

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demo.html
   <!DOCTYPE HTML>
   <html>
       <head>
           <title>{$title}</title>
           <meta charset="utf-8">
       </head>
       <body>
           <h3>{$title}</h3>
           <h4>{$content}</h4>
       </body>
   </html>