WooCommerce-为购物车中的每个产品添加自定义价格 [英] WooCommerce - Adding a custom price to each product in cart

问题描述

我想使用这段简单的代码update_post_meta( $product->id, '_regular_price', $frame_price_added);在购物车中添加自定义价格来更新产品价格.

I would like to update the price of products adding a custom price in cart using this simple piece of code update_post_meta( $product->id, '_regular_price', $frame_price_added);.

注意:我要实现的目标是将此自定义价格添加到购物车中的每个产品.

Note: what I'm trying to achieve is to add this custom price to each product in cart.

我已经尝试通过这种方式获取$frame_price_added:

I have try to get $frame_price_added this way:

$frame_price = $res['_number_field'][0];
$frame_price_added = $product->price + $frame_price;

这里$product->price是来自woocomerce产品的价格，$frame_price是来自我新添加的价格.

Here $product->price is price coming from woocomerce product and $frame_price is coming from my newly added price.

我想知道如何将这个新价格与购物车相关联，因为它不起作用.

I was wondering how do I associate this new price to cart, because it doesn't work.

我尝试使用update_post_meta( $product->id, '_price', $frame_price_added);，刷新页面后，它会将自定义价格添加并存储到产品中，并保存了.

I have tried using update_post_meta( $product->id, '_price', $frame_price_added); and when page is refreshed it adds and stores the custom price to the product, and saved it.

关于如何正确实现此目标的任何想法吗?

Any idea on how I can achieve this properly?

谢谢.

还有一件事……我搜索了一个可以在添加到购物车中调用的函数，但是我没有找到任何东西，还有一个在woocommerce_template_single_add_to_cart上调用的动作挂钩有woocommerce_single_product_summary，但找不到任何功能.

One more thing… I have searched a function that can being called on add to cart and i didn't find any thing, and also an action hook being called on woocommerce_template_single_add_to_cart which had woocommerce_single_product_summary but it didn't find any function.

推荐答案

更新:对于WooCommerce 3.0+

Update: For WooCommerce 3.0+ Change cart item prices in WooCommerce version 3.0

您可以使用 woocommerce_before_calculate_totals 挂钩自定义购物车项目的价格.

You can use woocommerce_before_calculate_totals hook to customize your cart items prices.

您可以通过这种方式在函数中将 $framed_price 变量定义为全局变量.

You can define $framed_price variables as global in your function, this way.

这是代码:

// getting your additional price outside the function (making any conditional calculations) 
$framed_price = 20;

add_action( 'woocommerce_before_calculate_totals', 'add_custom_total_price', 10 );
function add_custom_total_price( $cart_object ) {

    if ( is_admin() && ! defined( 'DOING_AJAX' ) )
        return;

    global $framed_price;

    foreach ( $cart_object->get_cart() as $key => $value ) {
        $value['data']->price += $framed_price;
    }
}

或者在挂钩函数中获取自定义价格(可选，具体取决于您如何获得自定义价格):

add_action( 'woocommerce_before_calculate_totals', 'add_custom_total_price', 10 );
function add_custom_total_price( $cart_object ) {

    if ( is_admin() && ! defined( 'DOING_AJAX' ) )
        return;

    $framed_price = 20;

    foreach ( $cart_object->get_cart() as $key => $value ) {
        $value['data']->price += $framed_price;
    }
}

此代码已经过测试并且可以正常工作.

自然，此代码会出现在您活动的子主题(或主题)的function.php文件或任何插件文件中.

参考: WooCommerce购物车-动态价格变量传递到自定义价格挂钩

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