PHP.MVC的模板标签系统(四)(2)

3
<b>Clearance deals</b>
<table>
   <tr>
      <td>
         <@ =item1.getName @>
      </td>
      <td>
         <@ =item1.getCost @>
      </td>
   </tr>
</table>

4
<b>Todays specials</b>
<table>
<?php foreach($products as $item) { ?>
  <tr>
    <td>
         <@ =item.getName @>
    </td>
    <td>
         <@ =item.getCost @>
    </td>
  </tr>
<?php } ?>
</table>

<b>Our Staff at Your Service</b>
...
5
<table>
  <tr>
    <td>
      <b>Area Manager: </b>
    </td>
    <td>
      <@ =viewConfig.getAreaManager @>
    </td>
  </tr>
  ...
</table>
1:一些更多的声明
    在页面顶部所显示的额外声明(1)能让我们声明页变量以便下面能够使用.在内容被处理之后,这些声明将在编译后像下面这样显示:
<?php $item1=$data->getValueBean("ITEM_1"); ?>
...
<?php $products=$data->getValueBean("PRODUCTS_ARRAY"); ?>
2:使用表达式来显示内容单元标题
    现在我们使用两个表达式(2)来显示内容单元的标题.注意我们声明这些变量是"全局"变量在主页面的顶部.处理完后,表达式将转换这些代码,就像这样:
<?php print $dealHeading; ?> <?php print $saleMonth; ?>
    当页面被显示到用户的浏览器中,内容单元的标题看起来就像这样:
Jack's Super Deals for : May 2010.
3:使用表达式来显示一些数据条目
    现在我们能显示一些实际的数据(3).在这个页内容主体单元中我们访问一些在PhpMVCTabAction类的ActionObject中的产品条目数据.一个简化版的PhpMVCTabAction类在下面展示:
class PhpMVCTabAction extends Action {
   ...
   function execute($mapping, $form, &$request, &$response) {
      // Our value bean container
      $valueBeans =& new ValueBeans();

// Define some strings we need on our View template page
      // These could be defined globally in the phpmvc-config.xml file.
      // See: ExtendedController example.
      $appTitle      = "Flash Jack's Include Page";
      $saleMonth     = "May 2010";
      $saleTitle     = "Flash Jack's Super Sale";
      $dealHeading   = "Jack's Super Deals for :";
      ...

// Save the string variables to our Value object
      $valueBeans->addValueBean('APP_TITLE'     , $appTitle);
      $valueBeans->addValueBean('SALE_MONTH'    , $saleMonth);
      $valueBeans->addValueBean('SALE_TITLE'    , $saleTitle);
      $valueBeans->addValueBean('DEAL_HEADING'  , $dealHeading);
      ...

// Some float values we could receive from a database query
      // Note: The prices are formatted in the Products class constructor.
      // Eg: "$ n,nnn.nn"
      $price1 =  125.00;
      ...

// Setup some clearance deals (individual object instances):
      // Note: The Product class file was included in our local prepend.php file
      $item1 = new Product('Super Duper', $price1);
      ...
      $valueBeans->addValueBean('ITEM_1', $item1);
      ...

// Todays specials (array of object instances)
      $products = array();
      $products[] = new Product('Gooses Bridle', $price3);
      ...
      $valueBeans->addValueBean('PRODUCTS_ARRAY', $products);

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