更新cart item的price

本文介绍了如何在Magento中修改购物车中商品的价格,并通过事件观察器实现价格更新的自动化处理。

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            $quote = Mage::getModel('checkout/cart')->getQuote();
            $_cartItems = $quote->getAllVisibleItems();
            
            foreach ($_cartItems as $_cartItem) {
                $productId = $_cartItem->getData('product_id');               
                                          
                $_cartItem->setOriginalCustomPrice($newprice);
            }
            $quote->collectTotals();
            $quote->save();


注意:如果使用sales_quote_add_item这个observer,代码如下

public function updatePrice( $observer ){

        $event = $observer->getEvent();

        $quote_item = $event->getQuoteItem();

        $new_price = 200;
        $quote_item->setOriginalCustomPrice($new_price);
        $quote_item->setTotalPrice(350);

}

逐行解释这段代码:$(".add-to-cart-btn").click(function() { var itemId = $(this).data("id"); var itemName = $(this).data("name"); var itemPrice = $(this).data("price"); $.ajax({ type: "POST", url: "add-to-cart.php", data: { id: itemId, name: itemName, price: itemPrice } }).done(function(response) { alert(response); }); }); session_start(); $itemId = $_POST["id"]; $itemName = $_POST["name"]; $itemPrice = $_POST["price"]; if (!isset($_SESSION["cart"])) { $_SESSION["cart"] = array(); } array_push($_SESSION["cart"], array("id", $itemId, "name", $itemName, "price", $itemPrice)); echo "添加商品成功!"; $(document).on("click", ".remove-item-btn", function() { var itemId = $(this).data("id"); $.ajax({ type: "POST", url: "remove-from-cart.php", data: { id: itemId } }).done(function(response) { location.reload(); }); }); session_start(); $itemId = $_POST["id"]; foreach ($_SESSION["cart"] as $key => $item) { if ($item["id"] == $itemId) { unset($_SESSION["cart"][$key]); } } echo "删除商品成功!"; $(".checkout-btn").click(function() { var selectedItems = $(".cart-item:checked"); var totalPrice = 0; selectedItems.each(function() { var itemPrice = $(this).parents(".cart-item-row").find(".item-price").text(); var itemQty = $(this).parents(".cart-item-row").find(".item-qty").val(); var subTotal = itemPrice * itemQty; totalPrice += subTotal; }); window.location.href = "checkout.php?id=" + selectedItems.serialize() + "&total=" + totalPrice; }); session_start(); $selectedIds = explode("&", $_GET["id"]); foreach ($selectedIds as $key => $value) { $selectedIds[$key] = substr($value, strpos($value, "=") + 1); } $totalPrice = $_GET["total"];
06-07
This is the full code in my cart.php <?php /** * Custom Cart Page for WooCommerce with Selective Checkout * Place this file in your child theme directory: /wp-content/themes/woodmart-child/cart.php */ if (!defined('ABSPATH')) { exit; // Exit if accessed directly } do_action('woocommerce_before_cart'); ?> <div class="cart-page-section container" style="max-width: 1200px; margin: 0 auto;"> <form class="woocommerce-cart-form" action="<?php echo esc_url(wc_get_cart_url()); ?>" method="post"> <?php do_action('woocommerce_before_cart_table'); ?> <table class="shop_table shop_table_responsive cart woocommerce-cart-form__contents"> <thead> <tr> <th class="product-select"> <input type="checkbox" id="select-all-items" /> <label for="select-all-items" style="display: inline-block; margin-left: 5px; cursor: pointer;">全选</label> </th> <th class="product-info"><?php esc_html_e('Product', 'woocommerce'); ?></th> <th class="product-params"><?php esc_html_e('Parameters', 'woocommerce'); ?></th> <th class="product-price"><?php esc_html_e('Price', 'woocommerce'); ?></th> <th class="product-quantity"><?php esc_html_e('Quantity', 'woocommerce'); ?></th> <th class="product-subtotal"><?php esc_html_e('Subtotal', 'woocommerce'); ?></th> <!-- 已移除 Action 列 --> </tr> </thead> <tbody> <?php do_action('woocommerce_before_cart_contents'); ?> <?php foreach (WC()->cart->get_cart() as $cart_item_key => $cart_item) : $_product = apply_filters('woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key); $product_id = apply_filters('woocommerce_cart_item_product_id', $cart_item['product_id'], $cart_item, $cart_item_key); if ($_product && $_product->exists() && $cart_item['quantity'] > 0 && apply_filters('woocommerce_cart_item_visible', true, $cart_item, $cart_item_key)) : $product_permalink = apply_filters('woocommerce_cart_item_permalink', $_product->is_visible() ? $_product->get_permalink($cart_item) : '', $cart_item, $cart_item_key); ?> <tr class="woocommerce-cart-form__cart-item <?php echo esc_attr(apply_filters('woocommerce_cart_item_class', 'cart_item', $cart_item, $cart_item_key)); ?>"> <!-- Checkbox Column --> <td class="product-select" data-title="<?php esc_attr_e('Select', 'woocommerce'); ?>"> <input type="checkbox" class="item-checkbox" name="selected_items[]" value="<?php echo esc_attr($cart_item_key); ?>" data-price="<?php echo esc_attr($cart_item['line_total']); ?>" /> </td> <!-- Product Info Column --> <td class="product-info" data-title="<?php esc_attr_e('Product', 'woocommerce'); ?>"> <div class="product-image"> <?php $thumbnail = apply_filters('woocommerce_cart_item_thumbnail', $_product->get_image(), $cart_item, $cart_item_key); if (!$product_permalink) : echo $thumbnail; // PHPCS: XSS ok. else : printf('<a href="%s">%s</a>', esc_url($product_permalink), $thumbnail); // PHPCS: XSS ok. endif; ?> </div> <div class="product-name"> <?php if (!$product_permalink) : echo wp_kses_post(apply_filters('woocommerce_cart_item_name', $_product->get_name(), $cart_item, $cart_item_key) . ' '); else : echo wp_kses_post(apply_filters('woocommerce_cart_item_name', sprintf('<a href="%s">%s</a>', esc_url($product_permalink), $_product->get_name()), $cart_item, $cart_item_key)); endif; do_action('woocommerce_after_cart_item_name', $cart_item, $cart_item_key); // Meta data. echo wc_get_formatted_cart_item_data($cart_item); // PHPCS: XSS ok. ?> </div> </td> <!-- Product Parameters Column --> <td class="product-params" data-title="<?php esc_attr_e('Parameters', 'woocommerce'); ?>"> <?php if ($cart_item['variation_id']) { $variation_attributes = $_product->get_variation_attributes(); if (!empty($variation_attributes)) { foreach ($variation_attributes as $attribute => $value) { echo '<span class="param">' . esc_html(wc_attribute_label($attribute)) . ': ' . esc_html($value) . '</span><br>'; } } } else { $attributes = $_product->get_attributes(); if (!empty($attributes)) { foreach ($attributes as $attribute) { $values = wc_get_product_terms($product_id, $attribute['name'], array('fields' => 'names')); echo '<span class="param">' . esc_html(wc_attribute_label($attribute['name'])) . ': ' . esc_html(implode(', ', $values)) . '</span><br>'; } } } ?> </td> <!-- Price Column --> <td class="product-price" data-title="<?php esc_attr_e('Price', 'woocommerce'); ?>"> <?php echo apply_filters('woocommerce_cart_item_price', WC()->cart->get_product_price($_product), $cart_item, $cart_item_key); // PHPCS: XSS ok. ?> </td> <!-- Quantity Column --> <td class="product-quantity" data-title="<?php esc_attr_e('Quantity', 'woocommerce'); ?>"> <?php if ($_product->is_sold_individually()) : $product_quantity = sprintf('1 <input type="hidden" name="cart[%s][qty]" value="1" />', $cart_item_key); else : $product_quantity = woocommerce_quantity_input( array( 'input_name' => "cart[{$cart_item_key}][qty]", 'input_value' => $cart_item['quantity'], 'max_value' => $_product->get_max_purchase_quantity(), 'min_value' => '0', 'product_name' => $_product->get_name(), ), $_product, false ); endif; echo apply_filters('woocommerce_cart_item_quantity', $product_quantity, $cart_item_key, $cart_item); // PHPCS: XSS ok. ?> </td> <!-- Subtotal Column --> <td class="product-subtotal" data-title="<?php esc_attr_e('Subtotal', 'woocommerce'); ?>"> <?php echo apply_filters('woocommerce_cart_item_subtotal', WC()->cart->get_product_subtotal($_product, $cart_item['quantity']), $cart_item, $cart_item_key); // PHPCS: XSS ok. ?> </td> <!-- 已移除 Remove Item Column --> </tr> <?php endif; ?> <?php endforeach; ?> <?php do_action('woocommerce_after_cart_contents'); ?> </tbody> </table> <div class="actions"> <button type="submit" class="button" name="update_cart" value="<?php esc_attr_e('Update cart', 'woocommerce'); ?>"><?php esc_html_e('Update cart', 'woocommerce'); ?></button> <?php do_action('woocommerce_cart_actions'); ?> <?php wp_nonce_field('woocommerce-cart', 'woocommerce-cart-nonce'); ?> </div> <?php do_action('woocommerce_after_cart_table'); ?> </form> </div> <!-- Sticky Footer --> <div class="cart-footer-actions sticky-footer" style="position: sticky; bottom: 0; background: white; padding: 15px; border-top: 1px solid #ddd; max-width: 1200px; margin: 0 auto;"> <div style="display: flex; justify-content: space-between; align-items: center;"> <div> <input type="checkbox" id="footer-select-all"> <label for="footer-select-all" style="display: inline-block; margin-left: 5px; cursor: pointer;">全选</label> <button type="button" class="button" id="remove-selected-items">刪除選中的商品</button> <button type="button" class="button" id="clear-cart">清理購物車</button> </div> <div class="selected-summary" style="text-align: right;"> <p> 已选商品: <span id="selected-count">0</span> 件,共计: <span id="selected-total">RM0.00</span> </p> <a href="<?php echo esc_url(wc_get_checkout_url()); ?>" class="checkout-button button alt wc-forward" id="partial-checkout"> 结算 </a> </div> </div> </div> <?php do_action('woocommerce_after_cart'); ?> <style> /* Custom Styles for Cart Page */ .cart-page-section { background: white; padding: 30px; border-radius: 8px; box-shadow: 0 0 10px rgba(0,0,0,0.1); margin-bottom: 30px; } .cart-page-section table.cart { width: 100%; border-collapse: collapse; margin-bottom: 20px; } .cart-page-section table.cart th, .cart-page-section table.cart td { padding: 15px; text-align: left; border-bottom: 1px solid #eee; } .cart-page-section table.cart th { background-color: #f8f8f8; font-weight: bold; } /* 调整列宽 */ .cart-page-section table.cart td.product-select { width: 10%; text-align: center; vertical-align: middle; } .cart-page-section table.cart td.product-info { width: 20%; vertical-align: top; } .cart-page-section table.cart .product-info .product-image { float: left; margin-right: 15px; width: 100px; height: 100px; } .cart-page-section table.cart .product-info .product-image img { max-width: 100%; height: auto; display: block; } .cart-page-section table.cart .product-info .product-name { overflow: hidden; } .cart-page-section table.cart td.product-params { width: 20%; vertical-align: top; } .cart-page-section table.cart .product-params .param { display: block; margin-bottom: 5px; font-size: 14px; color: #666; } /* 调整剩余列宽度 */ .cart-page-section table.cart td.product-price, .cart-page-section table.cart td.product-quantity, .cart-page-section table.cart td.product-subtotal { width: 16.67%; /* 三列平均分配剩余宽度 */ vertical-align: middle; } .cart-page-section .actions { text-align: right; margin-top: 20px; } .cart-page-section .actions .button { padding: 12px 24px; background-color: #4CAF50; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; transition: background-color 0.3s; } .cart-page-section .actions .button:hover { background-color: #45a049; } .cart-footer-actions { position: sticky; bottom: 0; background: #fff; padding: 15px; border-top: 1px solid #ddd; box-shadow: 0 -2px 10px rgba(0,0,0,0.1); z-index: 100; } .cart-footer-actions .button { padding: 10px 20px; margin-left: 10px; background-color: #f44336; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 14px; transition: background-color 0.3s; } .cart-footer-actions .button:hover { background-color: #d32f2f; } #partial-checkout { padding: 12px 24px; background-color: #2196F3; color: white; text-decoration: none; border-radius: 4px; display: inline-block; margin-top: 10px; transition: background-color 0.3s; } #partial-checkout:hover { background-color: #0b7dda; } .selected-summary { font-size: 16px; font-weight: bold; } .selected-summary p { margin: 0 0 10px 0; } /* Responsive styles */ @media (max-width: 768px) { .cart-page-section table.cart thead { display: none; } .cart-page-section table.cart td { display: block; width: 100% !important; text-align: right; padding: 10px; position: relative; padding-left: 50%; } .cart-page-section table.cart td::before { content: attr(data-title); position: absolute; left: 15px; font-weight: bold; text-align: left; } .cart-page-section table.cart .product-info .product-image { float: none; margin: 0 auto 10px; } .cart-footer-actions { position: relative; } .cart-footer-actions > div { flex-direction: column; align-items: flex-start; } .cart-footer-actions .selected-summary { margin-top: 20px; text-align: left; width: 100%; } } </style> <script> jQuery(document).ready(function($) { // Define our AJAX parameters var wc_cart_params = { ajax_url: '<?php echo admin_url('admin-ajax.php'); ?>', cart_nonce: '<?php echo wp_create_nonce('woocommerce-cart'); ?>' }; // Update selected items summary function updateSelectedSummary() { let total = 0; let count = 0; $('.item-checkbox:checked').each(function() { total += parseFloat($(this).data('price')); count++; }); $('#selected-count').text(count); $('#selected-total').text('RM' + total.toFixed(2)); } // Select all functionality $('#select-all-items, #footer-select-all').change(function() { const isChecked = $(this).prop('checked'); $('.item-checkbox').prop('checked', isChecked); updateSelectedSummary(); }); // Individual checkbox change $('.item-checkbox').change(updateSelectedSummary); // Remove selected items $('#remove-selected-items').click(function() { const selectedKeys = $('.item-checkbox:checked').map(function() { return this.value; }).get(); if (selectedKeys.length === 0) { alert('请选择要删除的商品'); return; } if (!confirm('确定要删除选中的商品吗?')) { return; } $.ajax({ type: 'POST', url: wc_cart_params.ajax_url, data: { action: 'remove_selected_cart_items', selected_items: selectedKeys, security: wc_cart_params.cart_nonce }, success: function(response) { if (response.success) { location.reload(); } }, error: function() { alert('删除失败,请重试'); } }); }); // Clear entire cart $('#clear-cart').click(function() { if (!confirm('确定要清空购物车吗?')) { return; } $.ajax({ type: 'POST', url: wc_cart_params.ajax_url, data: { action: 'clear_entire_cart', security: wc_cart_params.cart_nonce }, success: function(response) { if (response.success) { location.reload(); } }, error: function() { alert('清空购物车失败,请重试'); } }); }); // Partial checkout $('#partial-checkout').click(function(e) { e.preventDefault(); const selectedKeys = $('.item-checkbox:checked').map(function() { return this.value; }).get(); if (selectedKeys.length === 0) { alert('请至少选择一件商品结算'); return false; } // Show loading indicator $(this).html('处理中...').prop('disabled', true); // Store selected items in session $.ajax({ type: 'POST', url: wc_cart_params.ajax_url, data: { action: 'store_selected_items', selected_items: selectedKeys, security: wc_cart_params.cart_nonce }, success: function(response) { if (response.success) { window.location.href = '<?php echo esc_url(wc_get_checkout_url()); ?>'; } else { alert('结算失败,请重试'); $('#partial-checkout').html('结算').prop('disabled', false); } }, error: function() { alert('发生错误,请重试'); $('#partial-checkout').html('结算').prop('disabled', false); } }); }); // Initialize summary updateSelectedSummary(); }); </script> This is the full code in my functions.php // 完全删除旧的"部分结账"相关代码 // 替换为以下完整优化版本 // ===== 部分结账功能核心代码 ===== // // 存储选中商品到会话 add_action('wp_ajax_store_selected_items', 'store_selected_items'); add_action('wp_ajax_nopriv_store_selected_items', 'store_selected_items'); function store_selected_items() { check_ajax_referer('woocommerce-cart', 'security'); if (isset($_POST['selected_items'])) { $sanitized_items = array_map('sanitize_text_field', $_POST['selected_items']); WC()->session->set('selected_checkout_items', $sanitized_items); wp_send_json_success(); } wp_send_json_error(); } // 折扣计算前应用购物车过滤 (解决折扣问题) add_action('woocommerce_before_calculate_totals', 'apply_partial_cart_before_discounts', 5); function apply_partial_cart_before_discounts() { if (!is_checkout() || is_wc_endpoint_url('order-received') || !WC()->session) { return; } $selected_items = WC()->session->get('selected_checkout_items'); if (!empty($selected_items)) { $cart = WC()->cart; $cart_contents = $cart->cart_contents; $filtered_contents = array(); foreach ($cart_contents as $key => $item) { if (in_array($key, $selected_items)) { $filtered_contents[$key] = $item; } } $cart->cart_contents = $filtered_contents; } } // 结账页面显示过滤 add_filter('woocommerce_get_cart_contents', 'filter_cart_contents_for_checkout', 20, 1); function filter_cart_contents_for_checkout($cart_contents) { if (is_checkout() && !is_wc_endpoint_url('order-received') && WC()->session) { $selected_items = WC()->session->get('selected_checkout_items'); if (!empty($selected_items)) { $filtered_contents = array(); foreach ($cart_contents as $key => $item) { if (in_array($key, $selected_items)) { $filtered_contents[$key] = $item; } } return $filtered_contents; } } return $cart_contents; } // 结账后恢复购物车 add_action('woocommerce_checkout_update_order_meta', 'restore_full_cart_after_checkout', 10, 2); function restore_full_cart_after_checkout($order_id, $data) { if (!WC()->session) return; // 备份完整购物车 $full_cart = WC()->cart->get_cart(); WC()->session->set('full_cart_backup', $full_cart); } // 订单感谢页处理 add_action('woocommerce_thankyou', 'remove_selected_items_after_checkout', 10, 1); function remove_selected_items_after_checkout($order_id) { if (!WC()->session) return; $selected_items = WC()->session->get('selected_checkout_items'); if (!empty($selected_items)) { // 恢复完整购物车 $full_cart = WC()->session->get('full_cart_backup'); if ($full_cart) { WC()->cart->cart_contents = $full_cart; WC()->session->__unset('full_cart_backup'); } WC()->session->__unset('selected_checkout_items'); WC()->cart->calculate_totals(); } } // AJAX移除选中商品 add_action('wp_ajax_remove_selected_cart_items', 'remove_selected_cart_items'); add_action('wp_ajax_nopriv_remove_selected_cart_items', 'remove_selected_cart_items'); function remove_selected_cart_items() { check_ajax_referer('woocommerce-cart', 'security'); if (isset($_POST['selected_items'])) { foreach ($_POST['selected_items'] as $cart_item_key) { $sanitized_key = sanitize_text_field($cart_item_key); if (WC()->cart->get_cart_item($sanitized_key)) { WC()->cart->remove_cart_item($sanitized_key); } } wp_send_json_success(); } wp_send_json_error(); } // 覆盖购物车清空方法 add_action('woocommerce_init', 'override_woocommerce_cart'); function override_woocommerce_cart() { if (!class_exists('WC_Cart') || !WC()->session) return; class WC_Cart_Custom extends WC_Cart { public function empty_cart($force_session = false) { if (WC()->session && WC()->session->get('selected_checkout_items')) { return; // 阻止清空 } parent::empty_cart($force_session); } } $GLOBALS['woocommerce']->cart = new WC_Cart_Custom(); } // ===== 辅助功能 ===== // // 移除购物车总计部分 add_action('template_redirect', 'remove_cart_totals_section'); function remove_cart_totals_section() { if (is_cart()) { remove_action('woocommerce_cart_collaterals', 'woocommerce_cart_totals', 10); } } // 加载必要脚本 add_action('wp_enqueue_scripts', 'partial_checkout_scripts'); function partial_checkout_scripts() { if (is_cart()) { wp_enqueue_script('wc-cart'); wp_localize_script('wc-cart', 'wc_cart_params', array( 'ajax_url' => admin_url('admin-ajax.php'), 'cart_nonce' => wp_create_nonce('woocommerce-cart') )); } } // 放弃结账时恢复原始购物车 add_action('template_redirect', 'restore_original_cart_if_abandoned'); function restore_original_cart_if_abandoned() { if (is_cart() && WC()->session && WC()->session->get('selected_checkout_items')) { WC()->session->__unset('selected_checkout_items'); } } the dynamic discount is not applied, Without changing the 成功了的 function, please check which part goes wrong and give me the full code to be replaced with the current one.
最新发布
08-01
Please 2x check, this is my full code in cart.php <?php defined('ABSPATH') || exit; do_action('woocommerce_before_cart'); ?> <style> .cart-container { max-width: 1024px; margin: 0 auto; padding: 20px; } .cart-footer { position: sticky; bottom: 0; background: white; padding: 15px; border-top: 1px solid #ddd; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 -2px 10px rgba(0,0,0,0.1); } .cart-footer-left { display: flex; align-items: center; gap: 15px; } .cart-footer-right { display: flex; align-items: center; gap: 15px; } .selected-info { font-weight: bold; } .checkout-btn { background-color: #4CAF50; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; font-weight: bold; } .cart-actions { margin: 20px 0; display: flex; gap: 10px; } .action-btn { padding: 8px 15px; background: #f1f1f1; border: 1px solid #ddd; border-radius: 4px; cursor: pointer; } .action-btn:hover { background: #e9e9e9; } </style> <div class="cart-container"> <form class="woocommerce-cart-form" action="<?php echo esc_url(wc_get_cart_url()); ?>" method="post"> <?php do_action('woocommerce_before_cart_table'); ?> <table class="shop_table shop_table_responsive cart woocommerce-cart-form__contents" cellspacing="0"> <thead> <tr> <th class="product-select"><input type="checkbox" id="select-all"></th> <th class="product-name"><?php esc_html_e('Product', 'woocommerce'); ?></th> <th class="product-attributes"><?php esc_html_e('Attributes', 'woocommerce'); ?></th> <th class="product-price"><?php esc_html_e('Price', 'woocommerce'); ?></th> <th class="product-quantity"><?php esc_html_e('Quantity', 'woocommerce'); ?></th> <th class="product-subtotal"><?php esc_html_e('Subtotal', 'woocommerce'); ?></th> <th class="product-remove"><?php esc_html_e('Action', 'woocommerce'); ?></th> </tr> </thead> <tbody> <?php do_action('woocommerce_before_cart_contents'); ?> <?php foreach (WC()->cart->get_cart() as $cart_item_key => $cart_item) { $_product = apply_filters('woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key); $product_id = apply_filters('woocommerce_cart_item_product_id', $cart_item['product_id'], $cart_item, $cart_item_key); if ($_product && $_product->exists() && $cart_item['quantity'] > 0 && apply_filters('woocommerce_cart_item_visible', true, $cart_item, $cart_item_key)) { $product_permalink = apply_filters('woocommerce_cart_item_permalink', $_product->is_visible() ? $_product->get_permalink($cart_item) : '', $cart_item, $cart_item_key); ?> <tr class="woocommerce-cart-form__cart-item <?php echo esc_attr(apply_filters('woocommerce_cart_item_class', 'cart_item', $cart_item, $cart_item_key)); ?>"> <!-- 选择框 --> <td class="product-select"> <input type="checkbox" name="selected_items[]" value="<?php echo $cart_item_key; ?>" class="item-checkbox"> </td> <!-- 商品图片和名称 --> <td class="product-name" data-title="<?php esc_attr_e('Product', 'woocommerce'); ?>"> <?php $thumbnail = apply_filters('woocommerce_cart_item_thumbnail', $_product->get_image(), $cart_item, $cart_item_key); if (!$product_permalink) { echo $thumbnail; // PHPCS: XSS ok. } else { printf('<a href="%s">%s</a>', esc_url($product_permalink), $thumbnail); // PHPCS: XSS ok. } ?> <div class="product-info"> <?php if (!$product_permalink) { echo wp_kses_post(apply_filters('woocommerce_cart_item_name', $_product->get_name(), $cart_item, $cart_item_key) . ' '); } else { echo wp_kses_post(apply_filters('woocommerce_cart_item_name', sprintf('<a href="%s">%s</a>', esc_url($product_permalink), $_product->get_name()), $cart_item, $cart_item_key)); } do_action('woocommerce_after_cart_item_name', $cart_item, $cart_item_key); // Meta data. echo wc_get_formatted_cart_item_data($cart_item); // PHPCS: XSS ok. // Backorder notification. if ($_product->backorders_require_notification() && $_product->is_on_backorder($cart_item['quantity'])) { echo wp_kses_post(apply_filters('woocommerce_cart_item_backorder_notification', '<p class="backorder_notification">' . esc_html__('Available on backorder', 'woocommerce') . '</p>', $product_id)); } ?> </div> </td> <!-- 商品参数 --> <td class="product-attributes" data-title="<?php esc_attr_e('Attributes', 'woocommerce'); ?>"> <?php // 显示自定义属性 $attributes = $_product->get_attributes(); if ($attributes) { foreach ($attributes as $attribute) { if ($attribute->get_visible()) { echo '<div>'.wc_attribute_label($attribute->get_name()).': '; $values = array(); if ($attribute->is_taxonomy()) { $attribute_taxonomy = $attribute->get_taxonomy_object(); $attribute_values = wc_get_product_terms($product_id, $attribute->get_name(), array('fields' => 'all')); foreach ($attribute_values as $attribute_value) { $value_name = esc_html($attribute_value->name); $values[] = $value_name; } } else { $values = $attribute->get_options(); foreach ($values as &$value) { $value = esc_html($value); } } echo apply_filters('woocommerce_attribute', wptexturize(implode(', ', $values)), $attribute, $values); echo '</div>'; } } } ?> </td> <!-- 单价 --> <td class="product-price" data-title="<?php esc_attr_e('Price', 'woocommerce'); ?>"> <?php echo apply_filters('woocommerce_cart_item_price', WC()->cart->get_product_price($_product), $cart_item, $cart_item_key); // PHPCS: XSS ok. ?> </td> <!-- 数量 --> <td class="product-quantity" data-title="<?php esc_attr_e('Quantity', 'woocommerce'); ?>"> <?php if ($_product->is_sold_individually()) { $product_quantity = sprintf('1 <input type="hidden" name="cart[%s][qty]" value="1" />', $cart_item_key); } else { $product_quantity = woocommerce_quantity_input( array( 'input_name' => "cart[{$cart_item_key}][qty]", 'input_value' => $cart_item['quantity'], 'max_value' => $_product->get_max_purchase_quantity(), 'min_value' => '0', 'product_name' => $_product->get_name(), ), $_product, false ); } echo apply_filters('woocommerce_cart_item_quantity', $product_quantity, $cart_item_key, $cart_item); // PHPCS: XSS ok. ?> </td> <!-- 小计 --> <td class="product-subtotal" data-title="<?php esc_attr_e('Subtotal', 'woocommerce'); ?>"> <?php echo apply_filters('woocommerce_cart_item_subtotal', WC()->cart->get_product_subtotal($_product, $cart_item['quantity']), $cart_item, $cart_item_key); // PHPCS: XSS ok. ?> </td> <!-- 移除按钮 --> <td class="product-remove"> <?php echo apply_filters( // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped 'woocommerce_cart_item_remove_link', sprintf( '<a href="%s" class="remove" aria-label="%s" data-product_id="%s" data-product_sku="%s">×</a>', esc_url(wc_get_cart_remove_url($cart_item_key)), esc_html__('Remove this item', 'woocommerce'), esc_attr($product_id), esc_attr($_product->get_sku()) ), $cart_item_key ); ?> </td> </tr> <?php } } ?> <?php do_action('woocommerce_cart_contents'); ?> <tr> <td colspan="7" class="actions"> <div class="cart-actions"> <button type="button" class="action-btn" id="remove-selected"><?php esc_html_e('Delete Selected', 'woocommerce'); ?></button> <button type="button" class="action-btn" id="clear-cart"><?php esc_html_e('Clear Cart', 'woocommerce'); ?></button> </div> <?php if (wc_coupons_enabled()) { ?> <div class="coupon"> <label for="coupon_code"><?php esc_html_e('Coupon:', 'woocommerce'); ?></label> <input type="text" name="coupon_code" class="input-text" id="coupon_code" value="" placeholder="<?php esc_attr_e('Coupon code', 'woocommerce'); ?>" /> <button type="submit" class="button" name="apply_coupon" value="<?php esc_attr_e('Apply coupon', 'woocommerce'); ?>"><?php esc_attr_e('Apply coupon', 'woocommerce'); ?></button> <?php do_action('woocommerce_cart_coupon'); ?> </div> <?php } ?> <button type="submit" class="button" name="update_cart" value="<?php esc_attr_e('Update cart', 'woocommerce'); ?>"><?php esc_html_e('Update cart', 'woocommerce'); ?></button> <?php do_action('woocommerce_cart_actions'); ?> <?php wp_nonce_field('woocommerce-cart', 'woocommerce-cart-nonce'); ?> </td> </tr> <?php do_action('woocommerce_after_cart_contents'); ?> </tbody> </table> <?php do_action('woocommerce_after_cart_table'); ?> </form> <!-- 底部固定栏 --> <div class="cart-footer"> <div class="cart-footer-left"> <input type="checkbox" id="footer-select-all"> <label for="footer-select-all"><?php esc_html_e('Select all', 'woocommerce'); ?></label> </div> <div class="cart-footer-right"> <div class="selected-info"> <?php esc_html_e('Selected items:', 'woocommerce'); ?> <span id="selected-count">0</span> <?php esc_html_e('Total:', 'woocommerce'); ?> <span id="selected-total">RM0.00</span> </div> <button type="button" class="checkout-btn" id="partial-checkout"> <?php esc_html_e('Proceed to checkout', 'woocommerce'); ?> </button> </div> </div> <?php do_action('woocommerce_before_cart_collaterals'); ?> <div class="cart-collaterals"> <?php /** * Cart collaterals hook. * * @hooked woocommerce_cross_sell_display * @hooked woocommerce_cart_totals - 10 */ do_action('woocommerce_cart_collaterals'); ?> </div> </div> <?php do_action('woocommerce_after_cart'); ?> <script> jQuery(document).ready(function($) { // 全选功能 $('#select-all, #footer-select-all').change(function() { $('.item-checkbox').prop('checked', this.checked); updateSelectedInfo(); }); // 更新选中商品信息 function updateSelectedInfo() { let selectedCount = $('.item-checkbox:checked').length; let total = 0; $('.item-checkbox:checked').each(function() { let itemKey = $(this).val(); let subtotal = $('tr.cart_item').has(this).find('.product-subtotal .amount').html(); if (subtotal) { total += parseFloat(subtotal.replace(/[^\d.-]/g, '')); } }); $('#selected-count').text(selectedCount); $('#selected-total').text('RM' + total.toFixed(2)); } // 初始更新 updateSelectedInfo(); // 监听单个商品选择 $('.item-checkbox').change(updateSelectedInfo); // 删除选中商品 $('#remove-selected').click(function() { let selectedItems = []; $('.item-checkbox:checked').each(function() { selectedItems.push($(this).val()); }); if (selectedItems.length === 0) { alert('<?php esc_html_e("Please select items to remove", "woocommerce"); ?>'); return; } if (confirm('<?php esc_html_e("Are you sure you want to remove the selected items?", "woocommerce"); ?>')) { $.each(selectedItems, function(index, itemKey) { $.ajax({ type: 'POST', url: wc_cart_params.ajax_url, data: { action: 'woocommerce_remove_cart_item', cart_item_key: itemKey, security: wc_cart_params.remove_item_nonce }, success: function(response) { $(document.body).trigger('wc_fragment_refresh'); } }); }); } }); // 清空购物车 $('#clear-cart').click(function() { if (confirm('<?php esc_html_e("Are you sure you want to clear your cart?", "woocommerce"); ?>')) { $.ajax({ type: 'POST', url: wc_cart_params.ajax_url, data: { action: 'woocommerce_clear_cart', security: wc_cart_params.nonce }, success: function(response) { $(document.body).trigger('wc_fragment_refresh'); } }); } }); // 部分结算点击处理 - 安全版本 $('#partial-checkout').click(function() { let $btn = $(this); let selectedItems = $('.item-checkbox:checked').map(function() { return $(this).val(); }).get(); if (selectedItems.length === 0) { alert(<?php echo json_encode(__("Please select at least one item to checkout", "woocommerce")); ?>); return; } // 添加加载指示器 $btn.prop('disabled', true).html(<?php echo json_encode(__("Processing...", "woocommerce")); ?>); // 使用AJAX保存原始购物车状态 $.ajax({ type: 'POST', url: wc_cart_params.ajax_url, data: { action: 'wc_save_original_cart', security: wc_cart_params.nonce }, success: function() { // 创建临时表单提交 $('<form>', { 'method': 'post', 'action': '<?php echo esc_url(wc_get_checkout_url()); ?>' }).append($('<input>', { 'type': 'hidden', 'name': 'selected_cart_items', 'value': JSON.stringify(selectedItems) })).appendTo('body').submit(); }, error: function() { alert(<?php echo json_encode(__("An error occurred. Please try again.", "woocommerce")); ?>); $btn.prop('disabled', false).html(<?php echo json_encode(__("Proceed to checkout", "woocommerce")); ?>); }, complete: function() { // 添加超时恢复按钮状态 setTimeout(function() { $btn.prop('disabled', false).html(<?php echo json_encode(__("Proceed to checkout", "woocommerce")); ?>); }, 5000); } }); }); }); </script> this is my full code in functions.php // 添加清空购物车功能 add_action('wp_ajax_woocommerce_clear_cart', 'woocommerce_clear_cart'); add_action('wp_ajax_nopriv_woocommerce_clear_cart', 'woocommerce_clear_cart'); function woocommerce_clear_cart() { // 修正 nonce 验证 if (!isset($_POST['security']) || !wp_verify_nonce($_POST['security'], 'woocommerce-cart-nonce')) { wp_send_json_error('Invalid nonce'); } WC()->cart->empty_cart(); wp_send_json_success(); } // 处理部分结算 - 最终版 add_action('template_redirect', 'handle_partial_checkout'); function handle_partial_checkout() { // 仅在进入结算页面时处理 if (is_checkout() && !is_wc_endpoint_url('order-received') && isset($_POST['selected_cart_items'])) { $selected_items = json_decode(stripslashes($_POST['selected_cart_items']), true); if (!empty($selected_items) && is_array($selected_items)) { // 保存原始购物车到用户元数据(更持久) if (is_user_logged_in()) { $user_id = get_current_user_id(); update_user_meta($user_id, 'wc_original_cart', WC()->cart->get_cart_for_session()); } else { WC()->session->set('wc_original_cart', WC()->cart->get_cart_for_session()); } // 设置临时购物车标记 WC()->session->set('wc_partial_checkout', true); // 创建新购物车只包含选中商品 $new_cart = []; foreach ($selected_items as $item_key) { if (isset(WC()->cart->cart_contents[$item_key])) { $new_cart[$item_key] = WC()->cart->cart_contents[$item_key]; } } // 更新购物车 WC()->cart->cart_contents = $new_cart; // 确保持久化存储更新 WC()->cart->persistent_cart_update(); WC()->cart->set_session(); WC()->cart->calculate_totals(); } } } // 订单完成后恢复原始购物车 add_action('woocommerce_checkout_order_processed', 'restore_original_cart_after_order', 10, 3); function restore_original_cart_after_order($order_id, $posted_data, $order) { if (WC()->session->get('wc_partial_checkout')) { restore_original_cart(); } } // 用户放弃结算时恢复购物车 add_action('template_redirect', 'maybe_restore_cart_on_cart_page'); function maybe_restore_cart_on_cart_page() { if (is_cart() && WC()->session->get('wc_partial_checkout')) { restore_original_cart(); } } // 通用恢复函数 - 增强版 function restore_original_cart() { $original_cart = null; // 尝试从用户元数据获取 if (is_user_logged_in()) { $user_id = get_current_user_id(); $original_cart = get_user_meta($user_id, 'wc_original_cart', true); delete_user_meta($user_id, 'wc_original_cart'); } // 尝试从会话获取 else { $original_cart = WC()->session->get('wc_original_cart'); WC()->session->set('wc_original_cart', null); } // 确保有有效的购物车数据 if ($original_cart && is_array($original_cart) && !empty($original_cart)) { WC()->cart->cart_contents = $original_cart; WC()->session->set('wc_partial_checkout', false); // 关键步骤:更新会话和持久化存储 WC()->cart->persistent_cart_update(); WC()->cart->set_session(); WC()->cart->calculate_totals(); // 强制刷新购物车 WC()->cart->get_cart_from_session(); } } // 保存原始购物车状态 - 修正版 add_action('wp_ajax_wc_save_original_cart', 'wc_save_original_cart'); add_action('wp_ajax_nopriv_wc_save_original_cart', 'wc_save_original_cart'); function wc_save_original_cart() { // 修正 nonce 验证 if (!isset($_POST['security']) || !wp_verify_nonce($_POST['security'], 'woocommerce-cart-nonce')) { wp_send_json_error('Invalid nonce'); } // 保存原始购物车 if (is_user_logged_in()) { $user_id = get_current_user_id(); update_user_meta($user_id, 'wc_original_cart', WC()->cart->get_cart_for_session()); } else { WC()->session->set('wc_original_cart', WC()->cart->get_cart_for_session()); } wp_send_json_success(); } Correct?
07-31
04-01
### 购物车功能实现概述 购物车功能的实现通常依赖于特定框架或技术栈的支持。以下是两种不同类型的购物车实现方式及其特点: #### AWS Serverless Shopping Cart 实现 AWS Serverless Shopping Cart 是一种基于无服务器架构的电子商务网站购物车解决方案[^1]。该项目利用 AWS Lambda 和 DynamoDB 来存储和管理用户的购物车数据。其核心特性包括: - **无状态设计**:由于采用无服务器架构,该方案不依赖传统的 Web 服务器来保存会话信息。 - **DynamoDB 数据库支持**:使用 Amazon DynamoDB 存储购物车中的商品信息以及用户关联的数据。 ```python import boto3 def add_to_cart(user_id, product_id, quantity): dynamodb = boto3.resource('dynamodb') table = dynamodb.Table('ShoppingCartTable') response = table.update_item( Key={'UserId': user_id}, UpdateExpression='ADD Product.#pid :incr', ExpressionAttributeNames={ '#pid': product_id, }, ExpressionAttributeValues={':incr': quantity} ) ``` 此代码片段展示了如何向 DynamoDB 中更新指定用户的购物车记录[^4]。 #### Laravel Shoppingcart 实现 Laravel Shoppingcart 提供了一种简单而灵活的方式来集成购物车逻辑到基于 PHP 的 Laravel 应用程序中[^2]。它主要依靠内存或者数据库作为临时存储介质,并提供了丰富的 API 方法用于操作购物车内物品。 ```php use Gloudemans\Shoppingcart\Facades\Cart; public function addToCart($id, $name, $price){ Cart::add(['id' => $id, 'name' => $name, 'price' => $price]); } public function getCartContents(){ return Cart::content(); } ``` 上述 PHP 函数定义了两个基本方法——`addToCart()` 添加产品至购物车;`getCartContents()` 获取当前购物车的内容列表[^3]。 ### 总结 无论是选择服务端渲染的应用还是完全去中心化的微服务体系结构,在构建电商应用时都需要考虑性能优化、用户体验一致性等问题。这两种不同的 shopping cart implementations 各有优劣,开发者应根据实际需求选取最合适的工具集和技术路径。
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