我試圖根據單個產品頁面中的數量字段為用戶提供折扣?；旧?，該網站出售門票，成人和兒童的價格不同。所以我在單個產品頁面中創建了輸入字段，這樣用戶就可以輸入他要購買的成人人數和兒童人數。在產品管理員中，我有一個“兒童折扣”的 ACF（高級自定義字段），所以在購物車中我想根據兒童數量給予這個折扣。例如，假設用戶購買該產品的 5 張門票，成人 3 張，兒童 2 張，我想計算這 2 個兒童的折扣。到目前為止我已經嘗試過：add_action( 'woocommerce_before_add_to_cart_button', 'custom_product_price_field', 5 );function custom_product_price_field(){ echo '<div class="custom-text text"> <p>Quantity of adults:</p> <input type="text" name="qtty_adults" value="" title="Quantity Adults" class="qtty-field"> </div> <div class="custom-text text"> <p>Quantity of children:</p> <input type="text" name="qtty_kids" value="" title="Quantity Kids" class="qtty-field"> </div>';}add_action('woocommerce_cart_calculate_fees' , 'add_user_discounts');function add_user_discounts( WC_Cart $cart ){ global $product; $qtty_kids = (float) sanitize_text_field( $_POST['qtty_kids'] ); $discount_per_kid = (float) get_field('children_discount', $product->id); $discount = $qtty_kids * $discount_per_kid; $cart->add_fee( 'Discount for children', -$discount);}這樣做的折扣總是 $0誰能給我一些關于如何實現這一點的幫助？
1 回答
呼如林
TA貢獻1798條經驗 獲得超3個贊
你的代碼有點過時了，有一些錯誤，還有很多遺漏的東西來得到你所期望的……
請嘗試以下操作（更新）：
add_action( 'woocommerce_before_add_to_cart_button', 'custom_product_price_field', 5 );
function custom_product_price_field(){
echo '<div class="custom-text text">
<p>'.__("Quantity of adults:").'</p>
<input type="text" name="qtty_adults" value="" title="'.__("Quantity Adults").'" class="qtty-field">
</div>
<div class="custom-text text">
<p>'.__("Quantity of children:").'</p>
<input type="text" name="qtty_kids" value="" title="'.__("Quantity Kids").'" class="qtty-field">
</div>';
}
// Add selected add-on option as custom cart item data
add_filter( 'woocommerce_add_cart_item_data', 'filter_add_cart_item_data_callback', 10, 3 );
function filter_add_cart_item_data_callback( $cart_item_data, $product_id, $variation_id ) {
if ( isset( $_POST['qtty_kids'] ) && $children_discount = get_field( 'children_discount', $product_id ) ) {
$cart_item_data['children_discount'] = (float) $children_discount - (float) sanitize_text_field( $_POST['qtty_kids'] );
$cart_item_data['unique_key'] = md5( microtime().rand() ); // Make each item unique
}
return $cart_item_data;
}
// Set a discount based a product custom field(s)
add_action('woocommerce_cart_calculate_fees' , 'add_children_discount', 10, 1 );
function add_children_discount( $cart ){
if ( is_admin() && ! defined('DOING_AJAX') )
return;
if ( did_action('woocommerce_cart_calculate_fees') >= 2 )
return;
$discount = 0; // Initialising
// Loop through cart items
foreach ( $cart->get_cart() as $cart_item ) {
if( isset( $cart_item['children_discount'] ) ) {
$discount += $cart_item['children_discount'];
}
}
if ( $discount > 0 )
$cart->add_fee( __("Discount for children", "woocommerce"), -$discount );
}
測試和工作。
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