get_price()); $sub_price = $cfg['price'] > 0 ? $cfg['price'] : $regular_price; $discount = ($regular_price > 0 && $sub_price < $regular_price) ? (1 - $sub_price / $regular_price) * 100.0 : 0.0; // 简单模板输出（不使用专门模板文件，保持轻量） echo '
'; echo '

' . esc_html__('订阅选项', 'yoone-subscriptions') . '

'; // 一次性 vs 订阅 if ($cfg['allow_onetime']) { echo '

'; echo '

'; } else { echo ''; } // 周期选择 echo '

' . ' ' . '' . '

'; // 数量输入 echo '

' . ' ' . '' . '

'; // 价格与折扣展示（每周期价格） echo '

' . esc_html__('订阅价格（每周期）：', 'yoone-subscriptions') . wc_price($sub_price) . ($discount > 0 ? ' ' . sprintf(esc_html__('折扣约 %.1f%%', 'yoone-subscriptions'), $discount) . '' : '') . '

'; echo '
'; } /** * 校验加入购物车的订阅参数。 */ public function validate_add_to_cart($passed, $product_id, $quantity) { $product = wc_get_product($product_id); if (! $product) return $passed; $cfg = Yoone_Subscriptions::get_config($product); if (! $cfg['enabled']) return $passed; $mode = isset($_POST['yoone_sub_purchase_mode']) ? sanitize_text_field($_POST['yoone_sub_purchase_mode']) : ''; if ($cfg['allow_onetime'] && $mode === 'onetime') return $passed; // 一次性购买，无需校验订阅参数 $period = isset($_POST['yoone_sub_period']) ? sanitize_text_field($_POST['yoone_sub_period']) : $cfg['period']; $qty = isset($_POST['yoone_sub_quantity']) ? absint($_POST['yoone_sub_quantity']) : $cfg['qty_default']; $period = in_array($period, array('month','year'), true) ? $period : $cfg['period']; $qty = max(1, $qty); if ($mode !== 'subscribe' && ! $cfg['allow_onetime']) { wc_add_notice(__('该产品仅支持订阅购买。', 'yoone-subscriptions'), 'error'); return false; } // 可根据需要扩展更多校验（库存、最大值等） return $passed; } /** * 将订阅参数写入购物车项。 */ public function add_cart_item_data($cart_item_data, $product_id, $variation_id) { $product = wc_get_product($product_id); if (! $product) return $cart_item_data; $cfg = Yoone_Subscriptions::get_config($product); if (! $cfg['enabled']) return $cart_item_data; $mode = isset($_POST['yoone_sub_purchase_mode']) ? sanitize_text_field($_POST['yoone_sub_purchase_mode']) : ''; $period = isset($_POST['yoone_sub_period']) ? sanitize_text_field($_POST['yoone_sub_period']) : $cfg['period']; $qty = isset($_POST['yoone_sub_quantity']) ? absint($_POST['yoone_sub_quantity']) : $cfg['qty_default']; $period = in_array($period, array('month','year'), true) ? $period : $cfg['period']; $qty = max(1, $qty); if ($cfg['allow_onetime'] && $mode === 'onetime') { // 标记为一次性购买，便于显示 $cart_item_data['yoone_subscriptions'] = array( 'mode' => 'onetime', ); return $cart_item_data; } $cart_item_data['yoone_subscriptions'] = array( 'mode' => 'subscribe', 'period' => $period, 'qty' => $qty, 'price' => ($cfg['price'] > 0 ? $cfg['price'] : floatval($product->get_price())), // 每周期价格 ); return $cart_item_data; } /** * 购物车/订单行项目中展示订阅摘要。 */ public function display_item_data($item_data, $cart_item) { if (empty($cart_item['yoone_subscriptions'])) return $item_data; $data = $cart_item['yoone_subscriptions']; if ($data['mode'] === 'onetime') { $item_data[] = array('key' => __('购买方式', 'yoone-subscriptions'), 'value' => __('一次性购买', 'yoone-subscriptions')); return $item_data; } $period_label = $data['period'] === 'year' ? __('年', 'yoone-subscriptions') : __('月', 'yoone-subscriptions'); $item_data[] = array('key' => __('购买方式', 'yoone-subscriptions'), 'value' => __('订阅', 'yoone-subscriptions')); $item_data[] = array('key' => __('周期', 'yoone-subscriptions'), 'value' => $period_label); $item_data[] = array('key' => __('订阅数量', 'yoone-subscriptions'), 'value' => intval($data['qty'])); $item_data[] = array('key' => __('订阅价格（每周期）', 'yoone-subscriptions'), 'value' => wc_price(floatval($data['price']))); return $item_data; } /** * 根据订阅规则设置行项目价格：价格 = 每周期价格 × 周期系数 × 订阅数量 × 购物车数量。 */ public function adjust_subscription_price($cart) { if (is_admin() && ! defined('DOING_AJAX')) return; if (empty($cart) || ! method_exists($cart, 'get_cart')) return; foreach ($cart->get_cart() as $key => $item) { if (empty($item['yoone_subscriptions'])) continue; $data = $item['yoone_subscriptions']; if ($data['mode'] !== 'subscribe') continue; $product = isset($item['data']) ? $item['data'] : null; if (! $product || ! is_a($product, 'WC_Product')) continue; $price_per_cycle = floatval($data['price']); $factor = Yoone_Subscriptions::period_factor($data['period']); $sub_qty = absint($data['qty']); $cart_qty = absint(isset($item['quantity']) ? $item['quantity'] : 1); $line_price = $price_per_cycle * $factor * $sub_qty * $cart_qty; $product->set_price($line_price); } } }