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Magento：缩小 HTML 输出？

发布于 2024-10-07 08:30:28 字数 57 浏览 2 评论 0原文

magento中是否有任何文件可以输出所有html？

我想缩小所有 html 输出。

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阳光①夏 2024-10-14 08:30:28

Magento 使用响应对象发送所有输出。

所有输出都添加到该对象，然后调用其 sendResponse 方法。

如果您想更改输出，请为 http_response_send_before 事件设置一个侦听器

<!-- in your module's config.xml -->
<http_response_send_before>
    <observers>
        <unique_name>
            <type>singleton</type>
            <class>group/observer</class>
            <method>alterOutput</method>
        </unique_name>
    </observers>
</http_response_send_before>

然后在观察者中您可以获取并设置正文

class Packagename_Modulename_Model_Observer
{
    public function alterOutput($observer)
    {
        $response = $observer->getResponse();       
        $html     = $response->getBody();           
        //modify html here          
        $response->setBody($html);
    }
}

如果您感兴趣，可以在 sendResponse 中调用此事件以下类的 方法

app/code/core/Mage/Core/Controller/Response/Http.php

和输出本身在以下类的 sendResponse 和 outputBody 方法中发送

lib/Zend/Controller/Response/Abstract.php

Magento uses a response object to send all output.

All output is added to this object, and then its sendResponse method is called.

If you want to alter the output, setup a listener for the http_response_send_before event

<!-- in your module's config.xml -->
<http_response_send_before>
    <observers>
        <unique_name>
            <type>singleton</type>
            <class>group/observer</class>
            <method>alterOutput</method>
        </unique_name>
    </observers>
</http_response_send_before>

And then in your observer you may get and set the body

class Packagename_Modulename_Model_Observer
{
    public function alterOutput($observer)
    {
        $response = $observer->getResponse();       
        $html     = $response->getBody();           
        //modify html here          
        $response->setBody($html);
    }
}

If you're interested, this event is called in the sendResponse method of the following class

app/code/core/Mage/Core/Controller/Response/Http.php

and the output itself is sent in the sendResponse and outputBody methods of

lib/Zend/Controller/Response/Abstract.php

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天邊彩虹 2024-10-14 08:30:28

理想情况下，您希望在缓存输出之前执行缩小操作，以避免过于频繁地执行此操作。我能想到的最好的地方是覆盖 Mage_Page_Block_Html 并将以下函数添加到您的新类中：

protected function _toHtml()
{
    $html = parent::_toHtml();
    // MINIFY CONTENTS OF $html HERE
    return $html;
}

这样它会对整个页面执行一次操作，然后返回的值可能会被 Magento 缓存在这是通常的方式。它不会单独在每个块上执行，这可能会降低效率。

Ideally you want to perform minification before the output is cached to avoid doing it too often. The best place I can think of is by overriding Mage_Page_Block_Html and adding the following function to your new class:

protected function _toHtml()
{
    $html = parent::_toHtml();
    // MINIFY CONTENTS OF $html HERE
    return $html;
}

This way it performs the action once for the whole page, the returned value may then be cached by Magento in it's usual manner. It's not performing on each block individually which might be less efficient.

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