php 在 Magento 中调用助手类
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Calling a helper class in Magento
提问by Jason Millward
I'm trying to create a custom helper module in Magento but I'm getting the following error when I call it from a page :
我正在尝试在 Magento 中创建一个自定义帮助程序模块，但是当我从页面调用它时出现以下错误：
Warning: include(Mage/SEO/Helper/Data.php) [function.include]: failed to open stream: No such file or directory in /home/strailco/1stclassholidays.com/html/lib/Varien/Autoload.php on line 93
From the template i am using the following to call the helper module:
从模板中，我使用以下内容来调用帮助器模块：
<?php echo Mage::helper('SEO')->getFullProductUrl($product); ?>
The helper module is set up under:
辅助模块设置在：
/app/code/local/SEO/Fullurl/Helper/Data.php
/app/code/local/SEO/Fullurl/etc/config.xml
Data.php calls the function:
Data.php 调用函数：
<?php
class getFullProductUrl {
public function getFullProductUrl( $product )
{
}
I have my config.xmlset up like this:
我的config.xml设置如下：
<?xml version="1.0"?>
<config>
<global>
<helpers>
<SEO>
<class>getFullProductUrl</class>
</SEO>
</helpers>
</global>
</config>
I think the problem is the way I have the config.xml set up but I'm struggling to work out the correct way of doing this.
我认为问题在于我设置 config.xml 的方式，但我正在努力找出正确的方法。
I would be very greatful of any help that you could give. I've been working on this for a couple of days but can't get it working.
如果您能提供任何帮助，我将不胜感激。我已经为此工作了几天，但无法使其正常工作。
Many Thanks
非常感谢
Jason
杰森
回答by Max
Your first problem is the config.xml. You have to tell Magento which class you're using.
您的第一个问题是 config.xml。你必须告诉 Magento 你正在使用哪个类。
...Other Stuff...
<global>
...Other Stuff...
<helpers>
<SEO>
<class>SEO_Fullurl_Helper</class>
</SEO>
</helpers>
...Other Stuff...
</global>
...Other Stuff...
Then you need a Helper in app/code/local/SEO/Fullurl/Helper/Data.phpthat looks like this:
然后你需要一个app/code/local/SEO/Fullurl/Helper/Data.php看起来像这样的助手：
class SEO_Fullurl_Helper_Data extends Mage_Core_Helper_Abstract
{
function getFullProductUrl( $product )
{
}
}
Then you can do echo Mage::helper('SEO')->getFullProductUrl($product);
然后你可以做 echo Mage::helper('SEO')->getFullProductUrl($product);
回答by nickspiel
I had missed the step of adding the module to app/etc/modules/SEO_Fullurl.xml
我错过了将模块添加到 app/etc/modules/SEO_Fullurl.xml 的步骤
<?xml version="1.0"?>
<config>
<modules>
<SEO_Fullurl>
<active>true</active>
<codePool>local</codePool>
</SEO_Fullurl>
</modules>
</config>
I hope this helps someone, very easy mistake to make.
我希望这对某人有所帮助，很容易犯错误。
