Magento覆盖核心块 [英] Magento Override Core Block

问题描述

我正在尝试覆盖位于app/code/core/Mage/Catalog/Block/Navigation.php上的Mage_Catalog_Block_Navigation类

I'm trying to override class Mage_Catalog_Block_Navigation located at app/code/core/Mage/Catalog/Block/Navigation.php

我已经创建了这三个文件:

I've created this three files:

1.- app/code/local/Global/Catalog/Block/Navigation.php

1.- app/code/local/Global/Catalog/Block/Navigation.php

2.- app/code/local/Global/Catalog/etc/config.xml

2.- app/code/local/Global/Catalog/etc/config.xml

3.- app/etc/modules/Global_All.xml

3.- app/etc/modules/Global_All.xml

代码:

Global_All.xml

Global_All.xml

<?xml version="1.0"?>
<config>
  <modules>
    <Global_Catalog>
      <active>true</active>
      <codePool>local</codePool>
    </Global_Catalog>
  </modules>
</config>

Config.xml

Config.xml

<?xml version="1.0"?>
<config>
  <modules>
    <Global_Catalog>
      <version>1.0</version>
    </Global_Catalog>
  </modules>
  <global>
    <blocks>
      <catalog>
        <rewrite>
          <navigation>Global_Catalog_Block_Navigation</navigation>
        </rewrite>
      </catalog>
    </blocks>
  </global>
</config>

Navigation.php

Navigation.php

class Global_Catalog_Block_Navigation extends Mage_Catalog_Block_Navigation 
{

   protected function _renderCategoryMenuItemHtml(...){
     .......rewriting code for this method.......

   }

}

我一直在尝试覆盖此方法，但是我不能，有人可以指导我吗?也许检查一些我还没有注意到的错字，或者我错过了什么?

I've been trying to overwrite this method but I can't, can anybody guide me? maybe check for some typo I haven't noticed yet or Am I missing something?

谢谢

推荐答案

好.所以问题是我试图覆盖Magento的核心文件.当我第一次提出问题时，我正在创建一个模块，而不是覆盖现有模块.因此，如果您想以正确的方式覆盖Magento文件，对于您的同事来说，这就是您的做法.很简单.

Ok. So the problem was I was trying to overwrite a core file from Magento. When I first asked the question I was CREATING a module, instead of overwriting an existing one. So for you fellows out there if you want to overwride a Magento file the right way, this is how you do it. Very simple.

我正试图覆盖位于

app/code/core/Mage/Catalog/Block/Navigation.php

app/code/core/Mage/Catalog/Block/Navigation.php

我要做的就是创建相同的根目录和文件夹，尽管它们位于LOCAL文件夹中.话虽如此，这将是我覆盖课程的途径.

All I need it to do, was to create the same root and folders although within the LOCAL folders. Being that said, this would be the route for my overwriting class.

app/code/local/Mage/Catalog/Block/Navigation.php

app/code/local/Mage/Catalog/Block/Navigation.php

请注意本地"而不是核心".尽管我试图覆盖该功能，但Navigation.php基本上是相同的核心文件(复制和粘贴)

Note the LOCAL instead of CORE. The Navigation.php is basically the same core file (Copy & Paste), although the function I was trying to overwrite

   function protected function _renderCategoryMenuItemHtml(...)

在newley创建的文件中，将返回另一条与核心文件不同的语句.

within my newley created file, was going to return another statement, different from the core file.

祝你好运.

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