我试图根据单个产品页面上的数量字段为用户提供折扣。
基本上,该网站出售门票,成人和儿童的价格都不同。因此,我在单个产品页面上创建了输入字段,以便用户输入要购买的成人和儿童数量。
在产品管理员中,我有一个“儿童折扣”的ACF(高级自定义字段),因此在购物车中,我想根据儿童的数量给予此折扣。例如,假设用户为此产品购买了5张票,成人3张,儿童2张,我想计算这2位孩子的折扣。
到目前为止我已经尝试过:
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);
}
这样做的折扣始终是$ 0
有人能帮助我实现这一目标吗?
答案 0 :(得分:2)
您的代码有点过时,有一些错误,并且有很多遗漏的东西无法满足您的期望……
请尝试以下操作,而不是 (已更新) :
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 );
}
经过测试可以正常工作。
相关: