使用woocommerce_product_get_price挂钩的结帐价格问题 [英] Checkout price issue using woocommerce_product_get_price hook

问题描述

我需要将Woocommerce前端中每种产品的价格提高一倍。为此，我使用了以下代码：

I need to double the price for every product in Woocommerce frontend. For this I used the following code:

add_filter( 'woocommerce_product_get_price', 'double_price', 10, 2 );
function double_price( $price, $product ){
    return $price*2;
}

但是使用此代码时出错。结帐页面价格不正确。例如，
的产品原始价格为10。我们将此价格乘以此代码。所以现在的产品价格是20当我将该产品添加到购物车中时，购物车和结帐页面的价格为40。这意味着该乘数发生了两次。

But there is an error using this code. checkout page price is not correct. for example the product orginal price is 10. We double the price by this code . so the product price is 20 now. When i added this product to the cart then cart and checkout page price is 40. That means this multiplication is take place in two times.

请帮助解决此问题。

推荐答案

已更新要翻倍价格：

1）首先，您将代码限制为仅单个产品和存档页面：

1) First you will restrict your code to single product and archives pages only:

add_filter( 'woocommerce_product_get_price', 'double_price', 10, 2 );
function double_price( $price, $product ){
    if( is_shop() || is_product_category() || is_product_tag() || is_product() )
        return $price*2;

    return $price;
}

2）然后，对于购物车和结账页面，您将更改购物车的价格这样：

2) Then for cart and checkout pages, you will change the cart item price this way:

add_filter( 'woocommerce_add_cart_item', 'set_custom_cart_item_prices', 20, 2 );
function set_custom_cart_item_prices( $cart_data, $cart_item_key ) {
    // Price calculation
    $new_price = $cart_data['data']->get_price() * 2;

    // Set and register the new calculated price
    $cart_data['data']->set_price( $new_price );
    $cart_data['new_price'] = $new_price;

    return $cart_data;
}

add_filter( 'woocommerce_get_cart_item_from_session', 'set_custom_cart_item_prices_from_session', 20, 3 );
function set_custom_cart_item_prices_from_session( $session_data, $values, $key ) {
    if ( ! isset( $session_data['new_price'] ) || empty ( $session_data['new_price'] ) )
        return $session_data;

    // Get the new calculated price and update cart session item price
    $session_data['data']->set_price( $session_data['new_price'] );

    return $session_data;
}

代码包含在您活动的子主题的function.php文件中（

经过测试并可以正常工作。它将改变您在购物车，结帐和订购页面中所期望的所有价格……

Tested and working. It will change all prices as you expect in cart, checkout and order pages…

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