(Yaf >=1.0.0)
Yaf_View_Simple::__construct — Yaf_View_Simple 的构造函数
template_dir模板的基本目录，默认情况下，对于 Yaf 来说，它是 APPLICATOIN . "/views"。
options
Options for the engine, as of Yaf 2.1.13, you can use short tag
"<?=$var?>" in your template(regardless of "short_open_tag"),
so comes a option named "short_tag", you can switch this off
to prevent use short_tag in template.
示例 #1 Yaf_View_Simple::__constructor() 示例
<?php
define ("TEMPLATE_DIRECTORY", APPLICATOIN_PATH . '/views');
$view = new Yaf_View_Simple(TEMPLATE_DIRECTORY, array(
'short_tag' => false //不允许在模板中使用短标签
));
?>