magento可配置产品页获得所属简单产品的库存

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想在产品页显示可配置产品所属的简单产品的库存，解决方案如下：

打开文件mage/catalog/block/product/view/type/configurable.php，大概在85行可以找到如下代码：

[php]
foreach ($this->getAllowAttributes() as $attribute) {
$productAttribute = $attribute->getProductAttribute();
$attributeValue = $product->getData($productAttribute->getAttributeCode());
if (!isset($options[$productAttribute->getId()])) {
$options[$productAttribute->getId()] = array();
}
if (!isset($options[$productAttribute->getId()][$attributeValue])) {
$options[$productAttribute->getId()][$attributeValue] = array();
}
$options[$productAttribute->getId()][$attributeValue][] = $productId;

}
[/php]

替换成

[php]
foreach ($this->getAllowAttributes() as $attribute) {

$productAttribute = $attribute->getProductAttribute();
$attributeValue = $product->getData($productAttribute->getAttributeCode());
if (!isset($options[$productAttribute->getId()])) {
$options[$productAttribute->getId()] = array();
}
if (!isset($options[$productAttribute->getId()][$attributeValue])) {
$options[$productAttribute->getId()][$attributeValue] = array();
}
$options[$productAttribute->getId()][$attributeValue][] = $productId;
//Alex
$options[‘qty’][$product -> getAttributeText($productAttribute->getName())] = floor($product->getStockItem()->getQty());
}

[/php]

然后在大概128行找到如下代码：

[php]
$info[‘options’][] = array(
‘id’ => $value[‘value_index’],
‘label’ => $value[‘label’] ,
‘price’ => $this->_preparePrice($value[‘pricing_value’], $value[‘is_percent’]),
‘products’ => isset($options[$attributeId][$value[‘value_index’]]) ? $options[$attributeId][$value[‘value_index’]] : array(),
);

[/php]

替换成

[php]
$info[‘options’][] = array(
‘id’ => $value[‘value_index’],
‘label’ => ($options[‘qty’][$value[‘label’]] <= 0) ? $value[‘label’] . ‘ * out of stock’ : $value[‘label’] . " * (".$options[‘qty’][$value[‘label’]]." in stock)",
‘price’ => $this->_preparePrice($value[‘pricing_value’], $value[‘is_percent’]),
‘products’ => isset($options[$attributeId][$value[‘value_index’]]) ? $options[$attributeId][$value[‘value_index’]] : array(),
);

[/php]

然后前台通过一点JS处理下就可以得到类似淘宝的效果