SpringBoot+Vue实现汽车销售管理系统前后端分离项目（java毕业设计）.zip

package com.gxyan.service.impl; import com.github.pagehelper.PageHelper; import com.gxyan.common.Const; import com.gxyan.common.ServerResponse; import com.gxyan.dao.CarMapper; import com.gxyan.dao.OrderDetailsMapper; import com.gxyan.dao.OrderMapper; import com.gxyan.pojo.Order; import com.gxyan.pojo.OrderDetails; import com.gxyan.service.IOrderService; import com.gxyan.vo.*; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.scheduling.annotation.Scheduled; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import org.springframework.transaction.interceptor.TransactionAspectSupport; import java.math.BigDecimal; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.Random; import java.util.UUID; /** * @author gxyan * @date 2019/1/3 13:05 */ @Slf4j @Service public class OrderServiceImpl implements IOrderService { @Autowired private CarMapper carMapper; @Autowired private OrderMapper orderMapper; @Autowired private OrderDetailsMapper detailsMapper; @Override @Transactional(rollbackFor = Exception.class) public ServerResponse addOrder(OrderVo orderVo) { log.info(orderVo.toString()); Order order = new Order(); Long orderId = createOrderId(); order.setId(orderId); order.setCustomerId(orderVo.getCustomerId()); order.setEmployeeId(orderVo.getEmployeeId()); order.setStatus(orderVo.getStatus()); order.setTotalPrice(orderVo.getTotalPrice()); int result = orderMapper.insert(order); if (result == 0) { // 手动回滚 TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("添加订单失败"); } if (orderVo.getStatus().equals(Const.Number.ONE)) { result = orderMapper.updatePayTimeByPrimaryKey(orderId); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("添加订单失败"); } } for (OrderDetailVo detailVo: orderVo.getDetailVos()) { OrderDetails orderDetails = new OrderDetails(); orderDetails.setId(createOrderDetailsId()); orderDetails.setCarId(detailVo.getCarId()); int num = detailVo.getCarNumber(); orderDetails.setCarNumber(num); orderDetails.setOrderId(orderId); result = detailsMapper.insert(orderDetails); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("添加订单失败"); } int repertory = carMapper.selectRepertoryByPrimaryKey(detailVo.getCarId()); num = repertory - num; if (num >= 0){ result = carMapper.updateRepertoryByPrimaryKey(detailVo.getCarId(), num); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("添加订单失败"); } } else { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("库存不足，添加订单失败"); } } return ServerResponse.createBySuccess(); } @Override public ServerResponse getList(OrderQuery orderQuery) { List<OrderList> list = PageHelper.startPage(orderQuery.getPage(), orderQuery.getLimit()).doSelectPage(()-> orderMapper.selectSale(orderQuery)); if (list != null) { for (OrderList orderList: list) { List<Details> details = detailsMapper.selectDetailsByOrderId(orderList.getOrderId()); orderList.setDetails(details); } ListVo listVo = new ListVo(); listVo.setItems(list); listVo.setTotal(PageHelper.count(()->orderMapper.selectSale(orderQuery))); return ServerResponse.createBySuccess(listVo); } return ServerResponse.createByErrorMessage("获取订单列表失败"); } @Override @Transactional(rollbackFor = Exception.class) public ServerResponse update(Long orderId, String status) { int result = orderMapper.updateStatusByPrimaryKey(orderId, status); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("更新订单失败"); } if (status.equals(Const.Number.ONE)) { // status=1，支付订单，更新支付时间 result = orderMapper.updatePayTimeByPrimaryKey(orderId); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("更新订单失败"); } } else if (status.equals(Const.Number.TWO)) { // status=2，取消订单，车辆回库 List <OrderDetails> details = detailsMapper.selectByOrderId(orderId); for (OrderDetails orderDetails: details) { result = carMapper.addRepertoryByPrimaryKey(orderDetails.getCarId(), orderDetails.getCarNumber()); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("更新订单失败"); } } } return ServerResponse.createBySuccess(); } @Override @Transactional(rollbackFor = Exception.class) public ServerResponse updateDetail(OrderDetails orderDetails) { OrderDetails oldDetails = detailsMapper.selectByPrimaryKey(orderDetails.getId()); int result = carMapper.addRepertoryByPrimaryKey(oldDetails.getCarId(), oldDetails.getCarNumber()); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("更新失败"); } int num = carMapper.selectRepertoryByPrimaryKey(orderDetails.getCarId()) - orderDetails.getCarNumber(); if (num >= 0){ result = carMapper.updateRepertoryByPrimaryKey(orderDetails.getCarId(), num); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("添加订单失败"); } } else { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("库存不足，添加订单失败"); } result = detailsMapper.updateByPrimaryKey(orderDetails); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("更新失败"); } BigDecimal oldPrice = carMapper.selectSalePriceByPrimaryKey(oldDetails.getCarId()).multiply(BigDecimal.valueOf(oldDetails.getCarNumber())); BigDecimal newPrice = carMapper.selectSalePriceByPrimaryKey(orderDetails.getCarId()).multiply(BigDecimal.valueOf(orderDetails.getCarNumber())); result = orderMapper.addTotalPriceByPrimaryKey(orderDetails.getOrderId(), newPrice.subtract(oldPrice)); if (result == 0) { TransactionAspectSupport.currentTransactionStatus().setRollbackOnly(); return ServerResponse.createByErrorMessage("更新失败"); } return ServerResponse.createBySuccess(); } @Overri