为WooCommerce中特定的选定付款方式添加折扣 [英] Add a discount for specific selected payment method in WooCommerce

问题描述

如果没有使用优惠券功能，我想对特定的付款方式ID(例如"xyz")应用15％的折扣.

Without a using coupon functionality I would like to apply a 15% discount for a specific payment method ID like 'xyz'.

我想帮助您确定要使用的挂钩.我想要实现的总体思路是:

I would like help identifying which hooks to use. The general idea of what I would like to achieve is:

if payment_method_hook == 'xyz'{
    cart_subtotal = cart_subtotal - 15%
}

客户无需在此页面上看到折扣.我希望仅针对特定付款方式才能正确提交折扣.

The customer does not need to see the discount on this page. I would like the discount to be submitted properly, only for the specific payment method.

推荐答案

您可以使用 woocommerce_cart_calculate_fees 动作挂钩中挂接的此自定义函数，对于定义的付款方式，该挂钩将有15％的折扣.

You can use this custom function hooked in woocommerce_cart_calculate_fees action hook, that will make a discount of 15% for a defined payment method.

您应该在此功能中设置您的实际付款方式ID(例如"bacs"，鳕鱼"，支票"或贝宝").

You should need to set in this function your real payment method ID (like 'bacs', 'cod', 'cheque' or 'paypal').

每次选择付款方式时，第二个功能都会刷新结帐数据.

The 2nd function will refresh checkout data each time that a payment method is selected.

代码:

add_action( 'woocommerce_cart_calculate_fees','shipping_method_discount', 20, 1 );
function shipping_method_discount( $cart_object ) {

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

    // HERE Define your targeted shipping method ID
    $payment_method = 'bacs';

    // The percent to apply
    $percent = 15; // 15%

    $cart_total = $cart_object->subtotal_ex_tax;
    $chosen_payment_method = WC()->session->get('chosen_payment_method');

    if( $payment_method == $chosen_payment_method ){
        $label_text = __( "Shipping discount 15%" );
        // Calculation
        $discount = number_format(($cart_total / 100) * $percent, 2);
        // Add the discount
        $cart_object->add_fee( $label_text, -$discount, false );
    }
}

add_action( 'woocommerce_review_order_before_payment', 'refresh_payment_methods' );
function refresh_payment_methods(){
    // jQuery code
    ?>
    <script type="text/javascript">
        (function($){
            $( 'form.checkout' ).on( 'change', 'input[name^="payment_method"]', function() {
                $('body').trigger('update_checkout');
            });
        })(jQuery);
    </script>
    <?php
}

代码进入您的活动子主题(或活动主题)的function.php文件中.

Code goes in function.php file of your active child theme (or active theme).

经过测试，可以正常工作.

Tested and works.

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