毕设项目：基于SpringBoot+MyBatis-Plus 前后端分离的影院选座购票系统.zip

package com.movie.api.service.impl; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.movie.api.constant.OrderStatus; import com.movie.api.mapper.FilmMapper; import com.movie.api.mapper.OrderMapper; import com.movie.api.mapper.UserMapper; import com.movie.api.model.entity.Arrangement; import com.movie.api.model.entity.Cart; import com.movie.api.model.entity.Film; import com.movie.api.model.entity.Order; import com.movie.api.model.vo.OrderVO; import com.movie.api.service.ArrangementService; import com.movie.api.service.OrderService; import com.movie.api.utils.DataTimeUtil; import org.springframework.cache.annotation.CacheConfig; import org.springframework.stereotype.Service; import javax.annotation.Resource; import java.util.ArrayList; import java.util.List; import java.util.UUID; @Service @CacheConfig(cacheNames = "order") public class OrderServiceImpl implements OrderService { @Resource private OrderMapper orderMapper; @Resource private ArrangementService arrangementService; @Resource private UserMapper userMapper; @Resource private FilmMapper filmMapper; @Override public Order create(Cart cart) throws Exception { List<Integer> seats = arrangementService.getSeatsHaveSelected(cart.getAid()); String[] split = cart.getSeats().split("号"); for (String s : split) { if (seats.contains(Integer.parseInt(s))) throw new Exception("影片在购物车中躺了太长时间了，座位已被其他用户预订并支付了"); } Order order = new Order(); //生成订单id order.setId(UUID.randomUUID().toString()); //写入用户id order.setUid(cart.getUid()); //写入用户电话 order.setPhone(cart.getPhone()); //写入场次id order.setAid(cart.getAid()); //写入座位信息 order.setStatus(cart.getStatus()); order.setSeats(cart.getSeats()); if (cart.getStatus() == 2) order.setPayAt(DataTimeUtil.getNowTimeString()); order.setPrice(cart.getPrice()); order.setCreateAt(DataTimeUtil.getNowTimeString()); orderMapper.insert(order); //订了几个座位就添加多少热度 Film film = filmMapper.selectById(arrangementService.findById(cart.getAid()).getFid()); film.setHot(film.getHot() + split.length); filmMapper.updateById(film); return order; } @Override public Order pay(String id) throws Exception { Order order = orderMapper.selectById(id); if (order == null) throw new Exception("不存在的订单id"); if (DataTimeUtil.parseTimeStamp(order.getCreateAt()) + OrderStatus.EXPIRATION_TIME < System.currentTimeMillis()) { order.setStatus(OrderStatus.PAYMENT_FAILED); orderMapper.updateById(order); throw new Exception("订单支付超时"); } order.setStatus(OrderStatus.PAYMENT_SUCCESSFUL); order.setPayAt(DataTimeUtil.getNowTimeString()); orderMapper.updateById(order); return order; } @Override public void update(Order order) { orderMapper.updateById(order); } @Override public List<OrderVO> findAll() { return findByWrapper(new QueryWrapper<>()); } @Override public List<OrderVO> findByUser(String uid) { QueryWrapper<Order> wrapper = new QueryWrapper<>(); wrapper.in("uid", uid); return findByWrapper(wrapper); } private List<OrderVO> findByWrapper(QueryWrapper<Order> wrapper) { List<Order> orders = orderMapper.selectList(wrapper); List<OrderVO> result = new ArrayList<>(); for (Order o : orders) { OrderVO orderVO = new OrderVO(); orderVO.setOrder(o); orderVO.setUser(userMapper.selectById(o.getUid())); Arrangement arrangement = arrangementService.findById(o.getAid()); orderVO.setArrangement(arrangement); orderVO.setFilm(filmMapper.selectById(arrangement.getFid())); result.add(orderVO); } return result; } }