<!-- The code of the event we want to observe -->
<catalog_product_save_after>
<!-- Defining an observer for this event -->
<observers>
<!-- Unique idetifier should be in lowercase letter -->
<xx_xxxx>
<!-- The model to be instantiated -->
<class>xx_xxxx/observer</class>
<!-- The method of the class to be called -->
<method>productAddUpdate</method>
<!-- The type of class to instantiate -->
<type>singleton</type>
</xx_xxxx >
</observers>
</catalog_product_save_after>
这是我的代码,此事件同时触发产品更新和创建是否有任何单独的事件可用于单独更新和创建?