创建订单 - 填充新订单数据

/*** @Description: 支付方式 枚举*/
public enum PayMethod {WEIXIN(1, "微信"),ALIPAY(2, "支付宝");public final Integer type;public final String value;PayMethod(Integer type, String value){this.type = type;this.value = value;}}

/*** 用于创建订单相关信息* @param submitOrderBO*/
public OrderVO createOrder(SubmitOrderBO submitOrderBO);

@Transactional(propagation = Propagation.REQUIRED)
@Override
public OrderVO createOrder(SubmitOrderBO submitOrderBO) {String userId = submitOrderBO.getUserId();String addressId = submitOrderBO.getAddressId();String itemSpecIds = submitOrderBO.getItemSpecIds();Integer payMethod = submitOrderBO.getPayMethod();String leftMsg = submitOrderBO.getLeftMsg();// 包邮费用设置为0Integer postAmount = 0;String orderId = sid.nextShort();UserAddress address = addressService.queryUserAddres(userId, addressId);// 1. 新订单数据保存Orders newOrder = new Orders();newOrder.setId(orderId);newOrder.setUserId(userId);newOrder.setReceiverName(address.getReceiver());newOrder.setReceiverMobile(address.getMobile());newOrder.setReceiverAddress(address.getProvince() + " "+ address.getCity() + " "+ address.getDistrict() + " "+ address.getDetail());//        newOrder.setTotalAmount();
//        newOrder.setRealPayAmount();newOrder.setPostAmount(postAmount);newOrder.setPayMethod(payMethod);newOrder.setLeftMsg(leftMsg);newOrder.setIsComment(YesOrNo.NO.type);newOrder.setIsDelete(YesOrNo.NO.type);newOrder.setCreatedTime(new Date());newOrder.setUpdatedTime(new Date());// 2. 循环根据itemSpecIds保存订单商品信息表String itemSpecIdArr[] = itemSpecIds.split(",");Integer totalAmount = 0;    // 商品原价累计Integer realPayAmount = 0;  // 优惠后的实际支付价格累计for (String itemSpecId : itemSpecIdArr) {// TODO 整合redis后，商品购买的数量重新从redis的购物车中获取int buyCounts = 1;// 2.1 根据规格id，查询规格的具体信息，主要获取价格ItemsSpec itemSpec = itemService.queryItemSpecById(itemSpecId);totalAmount += itemSpec.getPriceNormal() * buyCounts;realPayAmount += itemSpec.getPriceDiscount() * buyCounts;// 2.2 根据商品id，获得商品信息以及商品图片String itemId = itemSpec.getItemId();Items item = itemService.queryItemById(itemId);String imgUrl = itemService.queryItemMainImgById(itemId);// 2.3 循环保存子订单数据到数据库String subOrderId = sid.nextShort();OrderItems subOrderItem = new OrderItems();subOrderItem.setId(subOrderId);subOrderItem.setOrderId(orderId);subOrderItem.setItemId(itemId);subOrderItem.setItemName(item.getItemName());subOrderItem.setItemImg(imgUrl);subOrderItem.setBuyCounts(buyCounts);subOrderItem.setItemSpecId(itemSpecId);subOrderItem.setItemSpecName(itemSpec.getName());subOrderItem.setPrice(itemSpec.getPriceDiscount());orderItemsMapper.insert(subOrderItem);// 2.4 在用户提交订单以后，规格表中需要扣除库存itemService.decreaseItemSpecStock(itemSpecId, buyCounts);}newOrder.setTotalAmount(totalAmount);newOrder.setRealPayAmount(realPayAmount);ordersMapper.insert(newOrder);// 3. 保存订单状态表OrderStatus waitPayOrderStatus = new OrderStatus();waitPayOrderStatus.setOrderId(orderId);waitPayOrderStatus.setOrderStatus(OrderStatusEnum.WAIT_PAY.type);waitPayOrderStatus.setCreatedTime(new Date());orderStatusMapper.insert(waitPayOrderStatus);// 4. 构建商户订单，用于传给支付中心MerchantOrdersVO merchantOrdersVO = new MerchantOrdersVO();merchantOrdersVO.setMerchantOrderId(orderId);merchantOrdersVO.setMerchantUserId(userId);merchantOrdersVO.setAmount(realPayAmount + postAmount);merchantOrdersVO.setPayMethod(payMethod);// 5. 构建自定义订单voOrderVO orderVO = new OrderVO();orderVO.setOrderId(orderId);orderVO.setMerchantOrdersVO(merchantOrdersVO);return orderVO;
}

/*** 根据用户id和地址id，查询具体的用户地址对象信息* @param userId* @param addressId* @return*/
public UserAddress queryUserAddres(String userId, String addressId);

@Transactional(propagation = Propagation.SUPPORTS)
@Override
public UserAddress queryUserAddres(String userId, String addressId) {UserAddress singleAddress = new UserAddress();singleAddress.setId(addressId);singleAddress.setUserId(userId);return userAddressMapper.selectOne(singleAddress);
}