我正在使用WooCommerce 折扣：买一送一 50% 折扣，并附有通知答案代码，如果客户购买特定产品，客户在第二件商品上可享受 50% 折扣。现在，如果目标产品 ID 是可变产品，例如具有 3 个变体“A”、“B”和“C”，那么如何从折扣计算中排除变体“A”？这个条件应该放在哪里呢？
1 回答
至尊宝的传说
TA贡献1789条经验 获得超10个赞
以下
add_action('woocommerce_cart_calculate_fees', 'add_custom_discount_2nd_at_50', 10, 1 );
function add_custom_discount_2nd_at_50( $cart ){
if ( is_admin() && ! defined( 'DOING_AJAX' ) )
return;
// YOUR SETTINGS:
$variable_product_id = 40; // <== HERE your targeted variable product ID
$excl_variations_ids = array( 41, 42); // <== HERE your variations to be excluded
// Initializing variables
$discount = $qty_notice = 0;
$items_prices = array();
// Loop through cart items
foreach ( $cart->get_cart() as $key => $cart_item ) {
if( $variable_product_id == $cart_item['product_id'] && in_array( $cart_item['variation_id'], $excl_variations_ids ) ) {
$quantity = (int) $cart_item['quantity'];
$qty_notice += $quantity;
for( $i = 0; $i < $quantity; $i++ ) {
$items_prices[] = floatval( $cart_item['data']->get_price());
}
}
}
$count_items = count($items_prices); // Count items
rsort($items_prices); // Sorting prices descending order
if( $count_items > 1 ) {
foreach( $items_prices as $key => $price ) {
if( $key % 2 == 1 )
$discount -= number_format( $price / 2, 2 );
}
}
// Applying the discount
if( $discount != 0 ){
$cart->add_fee('Buy one get one 50% off' ,$discount ); // true
// Displaying a custom notice (optional)
wc_clear_notices(); // clear other notices on checkout page.
if( ! is_checkout() ){
wc_add_notice( __("You get 50% of discount on the 2nd item"), 'notice');
}
}
// Display a custom notice on cart page when quantity is equal to 1.
elseif( $qty_notice == 1 ){
wc_clear_notices(); // clear other notices on checkout page.
if( ! is_checkout() ){
wc_add_notice( __( "Add one more to get 50% off on 2nd item" ), 'notice');
}
}
}
代码位于活动子主题（或活动主题）的functions.php 文件中。经过测试并有效。
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