更新时间:2023-02-07 16:33:39
我这里的基本方法是为观察者创建自定义模块
My basic approach here would be to create a custom module with an observer for the
controller_front_init_before
事件.在事件观察器中,您可以根据需要设置自动加载器.在设置事件观察者上,有一个Magento Wiki文章. controller_front_init_before
事件是在Magento中触发的第一个非通用事件之一.这就是我们使用它的原因.
event. In the event observer, you'd be able to setup your autoloader however you want. There's a Magento Wiki article on Setting up Event Observers. The controller_front_init_before
event is one of the first non-generic events to fire in Magento. That's why we're using it.
我们需要解决的最大问题是:Magento的自动加载器首先在堆栈上,并且如果找不到文件(EZComponent类就是这种情况),则其include将引发一个错误,该错误将停止执行.
The big problem we need to solve is this: Magento's autoloader is on the stack first, and if it doesn't find a file (which will be the case with the EZComponent classes), its include will raise a error that will halt execution.
因此,我们在上面的事件观察器中需要做的是
So, what we need to do in our event observer above is to
从spl_autoload stack
注册我们自己的自动装带器(我们将使用Zend_Autoloader
,因为它随Magento一起提供,您似乎对此很熟悉)
Register our own autoloader (we'll use Zend_Autoloader
, since it ships with Magento and you seem familiar with it)
将Varien_Autoloader
重新添加到堆栈中
由于要在Zend
名称空间中加载类通常由我们将要删除的自动加载器来处理,因此我们将需要做一些额外的操作.查看评论以获取更多详细信息
There'll be a little extra jiggery-pokery we'll need to do since loading of the classes in the Zend
namespace is normally handled by the autoloader we'll be removing. See comments for more details
//we need to manually include Zend_Loader, or else our zend autoloader
//will try to use it, won't find it, and then try to use Zend_Loader to
//load Zend_Loader
require_once('lib/Zend/Loader.php');
//instantiate a zend autoloader first, since we
//won't be able to do it in an unautoloader universe
$autoLoader = Zend_Loader_Autoloader::getInstance();
//get a list of call the registered autoloader callbacks
//and pull out the Varien_Autoload. It's unlikely there
//are others, but famous last words and all that
$autoloader_callbacks = spl_autoload_functions();
$original_autoload=null;
foreach($autoloader_callbacks as $callback)
{
if(is_array($callback) && $callback[0] instanceof Varien_Autoload)
{
$original_autoload = $callback;
}
}
//remove the Varien_Autoloader from the stack
spl_autoload_unregister($original_autoload);
//register our autoloader, which gets on the stack first
require_once('library/EZComponents/Base/src/base.php');
$autoLoader->pushAutoloader(array('ezcBase', 'autoload'), 'ezc');
//lets just make sure we can instantiate an EZ class
#$test = new ezcBaseFile();
#var_dump(get_class($test));
//IMPORANT: add the Varien_Autoloader back to the stack
spl_autoload_register($original_autoload);
将上面的代码放在观察者方法中,您应该会很好.
Put the above code in an observer method and you should be good to go.
您可以采用的另一种方法(更适合Magento模式)是创建一个实现EZComponent加载程序的自定义模块.
The other approach you could take, one that would fit in more with Magento patterns, would be to create a custom module that implemented an EZComponent loader.
$o = Mypackage_Mymodule_Loader::getModel('ezcBaseFile');
然后,您将在静态getModel方法中实现自动加载器样式的require代码,并在需要ezcBaseFile类时使用它.如果您想在ezcBaseFile
基类上调用静态方法,则可能需要加载类而不实例化对象的方法.
You'd then implement autoloader style require code in your static getModel method, and use it whenever you wanted an ezcBaseFile class. You'd probably want methods for loading a class without instantiating an object in case you wanted to call a static method on an ezcBaseFile
base class.
$o = Mypackage_Mymodule_Loader::getLoadclass('ezcBaseFile');