基于javaweb的订餐系统springboot+thymeleaf框架源码

package org.jinrong.orderingmgr.service.impl; import org.jinrong.orderingmgr.dao.OrderDao; import org.jinrong.orderingmgr.model.Order; import org.jinrong.orderingmgr.model.OrderDetail; import org.jinrong.orderingmgr.service.OrderService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.ArrayList; @Service public class OrderServiceImpl implements OrderService { @Autowired private OrderDao orderDao; @Override public ArrayList<Order> queryOrderByUser(int userId) { return orderDao.queryOrderByUser(userId); } @Override public Order queryOrderById(int orderId) { return orderDao.queryOrderById(orderId); } @Override public ArrayList<OrderDetail> queryOrderDetail(int orderId) { return orderDao.queryOrderDetailByOrder(orderId); } //添加订单 @Override public int addOrder(Order order, ArrayList<OrderDetail> listDetail) { //1.要去计算出每个订单明细的价格和总价 double total = 0; for (OrderDetail detail : listDetail) { double amount = detail.getPrice()*detail.getQty(); detail.setAmountTotal(amount); total += amount; } //2.送餐费 if(total < 50.0) { order.setDeliCharge(5); } else { order.setDeliCharge(0); } //设置订单总费用 order.setTotal(total + order.getDeliCharge()); order.setState(0);//订单状态默认0 //1.添加订单主表（ID返回） int rowCount = orderDao.addOrder(order); //2.订单明细更新orderId属性 for (OrderDetail orderDetail : listDetail) { orderDetail.setOrderId(order.getId()); //3.添加订单明细表 orderDao.addOrderDetail(orderDetail); } //清空他的购物车 return 0; } //签收订单 @Override public int signOrder(int orderId) { Order order = orderDao.queryOrderById(orderId); if(order == null) { return -1; } if(order.getState() != 0) { return -1; } orderDao.signOrder(orderId); return 0; } //删除订单 @Override public int deleteOrder(int orderId) { //1.删除主表 orderDao.deleteOrder(orderId); //2.删除明细表 orderDao.deleteOrderDetailByOrder(orderId); return 0; } }