给分类增加一个属性的步骤
1：
<?xml version="1.0"?>
<config>
<modules>
<Tw_Attribute>
<active>true</active>
<codePool>community</codePool>
</Tw_Attribute>
</modules>
</config>
2
<?xml version="1.0"?>
<config>
<modules>
<Tw_Attribute>
<version>0.0.1</version>
</Tw_Attribute>
</modules>
<global>
<resources>
<attribute_setup>
<setup>
<module>Tw_Attribute</module>
<class>Mage_Catalog_Model_Resource_Eav_Mysql4_Setup</class>
</setup>
<connection>
<use>core_setup</use>
</connection>
</attribute_setup>
<attribute_write>
<connection>
<use>core_write</use>
</connection>
</attribute_write>
<attribute_read>
<connection>
<use>core_read</use>
</connection>
</attribute_read>
</resources>
</global>
</config>
3
<?php
/**
* aheadWorks Co.
*
* NOTICE OF LICENSE
*
* This source file is subject to the EULA
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://ecommerce.aheadworks.com/LICENSE-L.txt
*
* @category AW
* @package AW_Blog
* @copyright Copyright (c) 2009-2010 aheadWorks Co. (http://www.aheadworks.com)
* @license http://ecommerce.aheadworks.com/LICENSE-L.txt
*/
class Tw_Attribute_Helper_Data extends Mage_Core_Helper_Abstract {
}
4
\sql\attribute_setup\mysql4-install-0.0.1.php
<?php
$installer = $this;
$installer->startSetup();
$entityTypeId = $installer->getEntityTypeId('catalog_category');
$attributeSetId = $installer->getDefaultAttributeSetId($entityTypeId);
$attributeGroupId = $installer->getDefaultAttributeGroupId($entityTypeId, $attributeSetId);
$installer->addAttribute('catalog_category', 'productimg', array(
'type' => 'varchar',
'label' => 'Product Img',
'input' => 'text',
'global' => Mage_Catalog_Model_Resource_Eav_Attribute::SCOPE_STORE,
'visible' => true,
'required' => false,
'user_defined' => false,
'default' => ''
));
$installer->addAttributeToGroup(
$entityTypeId,
$attributeSetId,
$attributeGroupId,
'productimg',
'11' //last Magento's attribute position in General tab is 10
);
$attributeId = $installer->getAttributeId($entityTypeId, 'productimg');
$installer->run("
INSERT INTO `{$installer->getTable('catalog_category_entity_int')}`
(`entity_type_id`, `attribute_id`, `entity_id`, `value`)
SELECT '{$entityTypeId}', '{$attributeId}', `entity_id`, '1'
FROM `{$installer->getTable('catalog_category_entity')}`;
");
//this will set data of your custom attribute for root category
Mage::getModel('catalog/category')
->load(1)
->setImportedCatId(0)
->setInitialSetupFlag(true)
->save();
//this will set data of your custom attribute for default category
Mage::getModel('catalog/category')
->load(2)
->setImportedCatId(0)
->setInitialSetupFlag(true)
->save();
$installer->endSetup();
OK。