= min_qty */ public function validate_add_to_cart($passed, $product_id, $quantity, $variation_id, $variations, $cart_item_data) { $product = wc_get_product($product_id); if (! $product || $product->get_type() !== Yoone_Product_Bundles::TYPE) return $passed; $config = Yoone_Product_Bundles::get_bundle_config($product); $min = max(0, absint($config['min_qty'])); // 从 POST 中收集数量 $selected = isset($_POST['yoone_bundle_components']) ? (array) $_POST['yoone_bundle_components'] : array(); $total_qty = 0; foreach ($selected as $pid => $qty) { $qty = absint($qty); if ($qty > 0) $total_qty += $qty; } if ($total_qty < $min) { wc_add_notice(sprintf(__('请至少选择 %d 件混装组件后再加入购物车。', 'yoone-product-bundles'), $min), 'error'); return false; } return $passed; } /** * 将所选组件数据存入购物车项。 */ public function add_cart_item_data($cart_item_data, $product_id, $variation_id) { $product = wc_get_product($product_id); if (! $product || $product->get_type() !== Yoone_Product_Bundles::TYPE) return $cart_item_data; $selected = isset($_POST['yoone_bundle_components']) ? (array) $_POST['yoone_bundle_components'] : array(); // 仅保留大于 0 的数量 $components = array(); foreach ($selected as $pid => $qty) { $pid = absint($pid); $qty = absint($qty); if ($pid && $qty > 0) $components[$pid] = $qty; } if (! empty($components)) { $cart_item_data['yoone_bundle_components'] = $components; } return $cart_item_data; } /** * 在购物车行项目中展示所选组件摘要。 */ public function display_cart_item_data($item_data, $cart_item) { if (! empty($cart_item['yoone_bundle_components'])) { $lines = array(); foreach ($cart_item['yoone_bundle_components'] as $pid => $qty) { $p = wc_get_product($pid); if ($p) { $lines[] = sprintf('%s × %d', $p->get_name(), $qty); } } if (! empty($lines)) { $item_data[] = array( 'key' => __('混装内容', 'yoone-product-bundles'), 'value' => implode("\n", $lines), 'display' => implode('
', array_map('esc_html', $lines)), ); } } return $item_data; } /** * 结算前根据组件动态调整混装产品的行项目价格（= 所选简单商品单价 × 数量 的总和）。 * 注意：这里使用的是产品当前价格（不含税的基础价），是否包含税由 WooCommerce 税设置决定。 */ public function adjust_bundle_price($cart) { if (is_admin() && ! defined('DOING_AJAX')) { return; // 后台不处理 } if (empty($cart) || ! method_exists($cart, 'get_cart')) return; foreach ($cart->get_cart() as $cart_item_key => $cart_item) { if (empty($cart_item['yoone_bundle_components'])) continue; $product = isset($cart_item['data']) ? $cart_item['data'] : null; if (! $product || ! is_a($product, 'WC_Product')) continue; if ($product->get_type() !== Yoone_Product_Bundles::TYPE) continue; $total = 0.0; foreach ($cart_item['yoone_bundle_components'] as $pid => $qty) { $p = wc_get_product($pid); if (! $p) continue; $unit = floatval($p->get_price()); // 基础价 $total += $unit * absint($qty); } // 将产品行项目价格设为总价 $product->set_price($total); } } }