在Magento中添加過濾器

Question

如何將此過濾器添加到此代碼？ ================================================= ================

$category_model = Mage::getModel('catalog/category')->load(55); 
$collection = Mage::getResourceModel('catalog/product_collection'); 
$collection->addCategoryFilter($category_model); 

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我想只顯示有庫存產品，如何與下面的代碼來做到這一點的Magento

Answer 1

是它的工作原理爲你In Stock Product Collection？從答案

代碼：

$category_model = Mage::getModel('catalog/category')->load(55); 
$productCollection = Mage::getResourceModel('catalog/product_collection'); 
$productCollection->addCategoryFilter($category_model); 
Mage::getSingleton('cataloginventory/stock') 
    ->addInStockFilterToCollection($productCollection); 
echo "<pre>";print_r($productCollection->getData());