smarty的继承模板
//这是layout.html,需要继承的parent
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>{block name="title"}页面标题{/block}</title>
</head>
<body>
{block name="nav"}导航{/block}
{block name="content"}页面主体{/block}
</body>
</html>
//这是的demo3.php,这是主页面
include __DIR__.'/config/config.php';
$smarty->display('demo3.html');
//这是demo3.html,要继承的
{extends file="layout.html"}
{block name="title"}
我是demo3的标题
{/block}
{block name="nav"}
<p>我是demo3的导航</p>
{/block}
{block name="content"}
<p>我是demo3的内容</p>
{/block}
