[原创] Magento 动态添加或修改商品的 Custom Option

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　　最近在 Magento 项目中有这样一种需求，在下订单时，修改该商品的 Custom Option。现列出一下解决方案：

　　测试时使用的 Magento 版本是 1.7.0.2。

动态修改商品的 Custom Option

$_product = $this->getProduct();
$i = 1;
foreach ($_product->getOptions() as $o) {
	echo "[b]Custom Option:" . $i . "[/b]
";
	echo "Custom Option TYPE: " . $o->getType() . "
";
	echo "Custom Option TITLE: " . $o->getTitle() . "
";
	echo "Custom Option Values: 
";
	// Getting Values if it has option values, case of select,dropdown,radio,multiselect
	$values = $o->getValues();
	foreach ($values as $v) {
		//print_r($v->getData());
		echo $v["title"] . " Sort Order: " . $v["sort_order"] . "
";
		$rand = rand(0, 100);
		$v["sort_order"] = $rand;
		$v->setOption($o)->save();
		/* Or else, you can set multiple option value simultaneously.
		$v->setTitle("morad")
		->setSku("kk")
		->setPriceType("fixed")
		->setSortOrder(0)
		->setPrice(floatval(13.0000));
		$v->setOption($o)->save();
		*/
	}
	$i++;
}

动态添加商品的 Custom Option

function setCustomOption($productId, 
                $title, 
                array $optionData, 
                array $values = array()) {
                
    Mage::app()->getStore()->setId(Mage_Core_Model_App::ADMIN_STORE_ID);
    if (!$product = Mage::getModel('catalog/product')->load($productId)) {
        throw new Exception('Can not find product: ' . $productId);
    }
    
    $defaultData = array(
        'type'          => 'field',
        'is_require'    => 0,
        'price'         => 0,
        'price_type'    => 'fixed',
    );
    
    $data = array_merge($defaultData, 
                        $optionData, 
                        array('product_id' => (int)$productId,
                        'title' => $title,
                        'values' => $values));
    
    $product->setHasOptions(1)->save();                                     
    $option = Mage::getModel('catalog/product_option')->setData($data)
                    ->setProduct($product)->save();
    return $option;
}

使用示例：

$options =  array('type' => 'radio',
            'is_require' => 1,
            'price' => 0,
            'price_type' => 'fixed');
 
$values = array(
            array(
                'title' => '2kg',
                'price' => 10,
                'price_type' => 'fixed',
                'sku' => 'w1',
                'sort_order' => 1
            ),
 
            array(
                'title' => '4kg',
                'price' => 20,
                'price_type' => 'fixed',
                'sku' => 'w2',
                'sort_order' => 2
            ),
 
            array(
                'title' => '10kg',
                'price' => 40,
                'price_type' => 'fixed',
                'sku' => 'w3',
                'sort_order' => 3
            )
         );
 
setCustomOption(166, 'Weight', $options, $values);

FYI：

• http://www.2coding.com/mage/magento-set-custom-option-product/
• http://stackoverflow.com/questions/10798158/how-to-update-custom-options-programatically-in-magento