get child category from flat data

iteye_14261

于 2014-02-21 16:59:05 发布

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分类专栏： Magento php

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本文介绍了一种解决Magento中因使用不同资源模型而导致的Fatal error问题的方法。通过修改_getChildrenCategoriesBase方法中的代码，用addUrlRewriteToResult替换原有的joinUrlRewrite方法，可以有效避免错误的发生。

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Fatal error: Call to undefined method Mage_Catalog_Model_Resource_Category_Flat_Collection::joinUrlRewrite()

This happens because the category model (catalog/category) uses different resource models for different settings of Use Flat Catalog Category and you are always using

try changing joinUrlRewrite to addUrlRewriteToResult

    protected function _getChildrenCategoriesBase($category)
    {
    	$collection = $category->getCollection();
    
    	$collection->addAttributeToSelect('url_key')
    	->addAttributeToSelect('name')
    	->addAttributeToSelect('all_children')
    	->addAttributeToSelect('is_anchor')
    	->addAttributeToSelect('category_code')
    	->setOrder('position', Varien_Db_Select::SQL_ASC)
    	->addUrlRewriteToResult();
    
    	return $collection;
    }
    
    public function getChildrenCategories($category)
    {
    	 
    	$collection = $this->_getChildrenCategoriesBase($category);
    	$collection->addAttributeToFilter('is_active', 1)
    	->addIdFilter($category->getChildren())
    	->load();
    	return $collection;
    }