smarty就是一个类
例1：自定义smarty搜索引擎，认识smarty
这段正则表达式：\s*表空格，{}需要转义 ([a-zA-Z_][a-zA-Z0-9_]*) 以字母或者下划线开始，后面可以是字母数字下划线，*0或多个字符
生成的组合文件:
显示的结果：
源代码：如下
sm.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>{$title}</title>
</head>
<body>
<div> {$xx}</div>
<div> {$xx}</div>
<div> {$title}</div>
<div> {$xx}</div>
<div> {$xx}</div>
<div> {$xx}</div>
</body>
</html>
sm.php
<?php
include "smarty.class.php";
$sm = new smarty();
//例如:连接数据库，获取以下内容；
$tt = " this is article title";
$xinxi = "this is the article content";
$sm ->assign("title",$tt);
$sm ->assign("xx",$xinxi);
$sm ->display("sm.html");
//var_dump($sm);
smarty.class.php
<?php
class smarty{
private $vars=array();
function assign($key,$value)
{
$this->vars[$key] = $value;
}
function display($tplfile)
{
$tfile ="./tpls/".$tplfile;
$comfile = "./coms/com_".$tplfile.".php";
if(!file_exists($comfile) || filemtime($comfile) < filemtime($tfile) )
{
$content = file_get_contents($tfile);
$pattern =array(
'/\{\s*\$([a-zA-Z_][a-zA-Z0-9_]*)\s*\}/'
);
$replacement = array(
'<?php echo $this->vars["${1}"]; ?>'
);
$newcontent = preg_replace($pattern, $replacement, $content);
file_put_contents($comfile,$newcontent);
}
include $comfile;
}
}
本文转自 gjp0731 51CTO博客，原文链接:http://blog.51cto.com/guojiping/1565630
