和 Java Yii Framework 中的 Layout 也允許嵌套,這是通過 CContentDecorator 來實(shí)現(xiàn)的,不過代碼中并不需要直接使用 CContentDecorator ,而是在定義 layout 使用
$this->beginContent('path/to/view');
// ... content to be decorated
$this->endContent();
其中 view 為另外一個(gè)布局。
本例定義四個(gè) Layout,一個(gè)嵌套一個(gè):
http://wiki.jikexueyuan.com/project/yii-development-tutorial/images/13.1.jpg" alt="picture13.1" />
///main.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title><?php echo Yii::app()->name;?></title>
</head>
<body>
<h1>Widget Demo</h1>
<?php echo $content; ?>
</body>
</html>
///row1.php
<?php $this->beginContent('/layouts/row2'); ?>
<div>
<?php echo $content; ?>
</div>
<p />
<div>
<?php echo 'row1 part'; ?>
</div>
<?php $this->endContent(); ?>
//row2.php
<?php $this->beginContent('/layouts/row3'); ?>
<div>
<?php echo $content; ?>
</div>
<p />
<div>
<?php echo 'row2 part'; ?>
</div>
<?php $this->endContent(); ?>
///row3.php
<?php $this->beginContent('/layouts/main'); ?>
<div>
<?php echo $content; ?>
</div>
<p />
<div>
<?php echo 'row3 part'; ?>
</div>
<?php $this->endContent(); ?>
顯示結(jié)果如下:
http://wiki.jikexueyuan.com/project/yii-development-tutorial/images/13.2.jpg" alt="picture13.2" />
本例下載