将产品添加到购物车时更改报价中的价格:magento [英] Changing the price in quote while adding product to cart: magento

问题描述

我想在将该产品添加到购物车的同时更改产品价格.

I want to change the product price while add that product to cart.

怎么可能让我知道...

How its possible let me know...

推荐答案

添加一个观察者来寻找这个事件 'sales_quote_add_item':

The way to do it is add an observer which looks for this event 'sales_quote_add_item':

<events>
    <sales_quote_add_item>
        <observers>
            <priceupdate_observer>
                <type>singleton</type>
                <class>mymodule/observer</class>
                <method>updatePrice</method>
            </priceupdate_observer>
        </observers>
    </sales_quote_add_item>
</events>

观察者应该有一个方法来做这样的事情:

The observer should have a method which does something like this:

public function updatePrice($observer) {
    $event = $observer->getEvent();
    $quote_item = $event->getQuoteItem();
    $new_price = <insert logic>
    $quote_item->setOriginalCustomPrice($new_price);
    $quote_item->save();
}

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