WooCommerce 购物车页面添加显示SKU代码

 添加下方代码到function文件中

add_filter( 'woocommerce_cart_item_name', 'showing_sku_in_cart_items', 99, 3 );
function showing_sku_in_cart_items( $item_name, $cart_item, $cart_item_key  ) {
       // The WC_Product object
       $product = $cart_item['data'];
       // Get the  SKU
       $sku = $product->get_sku();

       // When sku doesn't exist
       if(empty($sku)) return $item_name;

       // Add the sku
       $item_name .= '<br><small class="product-sku">' . __( "SKU: ", "woocommerce") . $sku . '</small>';

       return $item_name;
}

 显示效果：