前端 + 后端：创建订单，接入价格计算

order/order-application/src/main/java/cn/iocoder/mall/order/application/controller/users/UsersOrderController.java

@@ -67,6 +67,7 @@ public class UsersOrderController {
     @PostMapping("create_order_from_cart")
     @ApiOperation("创建订单购物车")
     public CommonResult<OrderCreateBO> createOrderFromCart(@RequestParam("userAddressId") Integer userAddressId,
+                                                           @RequestParam(value = "couponCardId", required = false) Integer couponCardId,
                                                            @RequestParam(value = "remark", required = false) String remark,
                                                            HttpServletRequest request) {
         Integer userId = UserSecurityContextHolder.getContext().getUserId();
@@ -78,7 +79,7 @@ public class UsersOrderController {
         // 创建 OrderCreateDTO 对象
         OrderCreateDTO orderCreateDTO = OrderConvertAPP.INSTANCE.createOrderCreateDTO(userId, userAddressId,
                 remark, HttpUtil.getIp(request),
-                cartItems);
+                cartItems, couponCardId);
         // 创建订单
         CommonResult<OrderCreateBO> createResult= orderService.createOrder(orderCreateDTO);
         if (createResult.isError()) {

order/order-application/src/main/java/cn/iocoder/mall/order/application/convert/OrderConvertAPP.java

@@ -40,15 +40,15 @@ public interface OrderConvertAPP {
     @Mappings({})
     List<OrderCreateItemDTO> convert(List<CartItemBO> cartItems);
 
-    default OrderCreateDTO createOrderCreateDTO(Integer userId, Integer userAddressId,
-                                                String remark, String ip,
-                                                List<CartItemBO> cartItems) {
+    default OrderCreateDTO createOrderCreateDTO(Integer userId, Integer userAddressId, String remark, String ip,
+                                                List<CartItemBO> cartItems, Integer couponCardId) {
         return new OrderCreateDTO()
                 .setUserId(userId)
                 .setUserAddressId(userAddressId)
                 .setRemark(remark)
                 .setIp(ip)
-                .setOrderItems(this.convert(cartItems));
+                .setOrderItems(this.convert(cartItems))
+                .setCouponCardId(couponCardId);
     }
 
 }

order/order-application/src/main/java/cn/iocoder/mall/order/application/po/user/OrderCreatePO.java

@@ -24,6 +24,10 @@ public class OrderCreatePO implements Serializable {
      */
     @NotNull(message = "用户地址id不能为空!")
     private Integer userAddressId;
+    /**
+     * 优惠劵编号
+     */
+    private Integer couponCardId;
     /**
      * 备注
      */