毕业设计、课程设计、大作业-微信小程序奶茶下单系统，前后端分离，Json通信，Springboot后端,，持久层mybatis

package com.demo01.demo.service; import com.demo01.demo.entity.*; import com.demo01.demo.mappers.OrderMapper; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import net.sf.json.JSONArray; import java.sql.Timestamp; import java.util.ArrayList; import java.util.List; @Service public class OrderServiceImpl implements OrderService { @Autowired OrderMapper orderMapper; @Override public List<Order> findAllOrderByID(String openid) { List<Order> orderList = new ArrayList<>(); List<Integer> orderIdList = new ArrayList<>(); orderIdList = orderMapper.findAllOrderByID(openid); orderIdList.forEach(re -> { Order order = findOneOrder(re); orderList.add(order); }); return orderList; } public List<MiniOrder> findAllMiniOrder(String openid) { List<MiniOrderEntry> entryList = orderMapper.findAllMiniOrder(openid); List<MiniOrder> orderList = new ArrayList<>(); List<String> drinkIdList = new ArrayList<>(); List<String> imageList = new ArrayList<>(); MiniOrder orderTmp = new MiniOrder(); int drinkId; int orderId = -1; double total = 0; //查询结果为空 if (entryList.size() == 0) return null; //根据订单编号合并订单条目，组成一个完整订单 for (MiniOrderEntry e : entryList) { //当前条目属于一个新订单 if (orderId != e.getOrderId()) { //不是第一个订单才需要添加到orderList if (orderId != -1) { orderTmp.setTotal(total); orderTmp.setDrinkIdList(drinkIdList); orderTmp.setImageList(imageList); orderList.add(orderTmp); } //清空上个订单用到的变量 orderTmp = new MiniOrder(); drinkIdList = new ArrayList<>(); imageList = new ArrayList<>(); total = 0; //不是第一个订单才需要清空drinkList,imageList if (orderId != -1) { drinkIdList.clear(); imageList.clear(); } // orderId = e.getOrderId(); orderTmp.setOrderId(e.getOrderId()); orderTmp.setOrderTime(e.getTime()); orderTmp.setOpenid(e.getOpenid()); total += e.getPrice(); //加入一种饮品 drinkIdList.add(e.getId()); imageList.add(e.getImage()); } //当前条目与上条条目属于同一个订单，仅添加饮品 else { total += e.getPrice(); drinkIdList.add(e.getId()); imageList.add(e.getImage()); } } orderTmp.setTotal(total); orderTmp.setDrinkIdList(drinkIdList); orderTmp.setImageList(imageList); orderList.add(orderTmp); return orderList; } public List<MiniOrder> findMakingMiniOrder(String openid) { List<MiniOrderEntry> entryList = orderMapper.findMakingMiniOrder(openid); List<MiniOrder> orderList = new ArrayList<>(); List<String> drinkIdList = new ArrayList<>(); List<String> imageList = new ArrayList<>(); MiniOrder orderTmp = new MiniOrder(); int drinkId; int orderId = -1; double total = 0; //查询结果为空 if (entryList.size() == 0) return null; //根据订单编号合并订单条目，组成一个完整订单 for (MiniOrderEntry e : entryList) { //当前条目属于一个新订单 if (orderId != e.getOrderId()) { //不是第一个订单才需要添加到orderList if (orderId != -1) { orderTmp.setTotal(total); orderTmp.setDrinkIdList(drinkIdList); orderTmp.setImageList(imageList); orderList.add(orderTmp); } //清空上个订单用到的变量 orderTmp = new MiniOrder(); drinkIdList = new ArrayList<>(); imageList = new ArrayList<>(); total = 0; //不是第一个订单才需要清空drinkList,imageList if (orderId != -1) { drinkIdList.clear(); imageList.clear(); } // orderId = e.getOrderId(); orderTmp.setOrderId(e.getOrderId()); orderTmp.setOrderTime(e.getTime()); orderTmp.setOpenid(e.getOpenid()); total += e.getPrice(); //加入一种饮品 drinkIdList.add(e.getId()); imageList.add(e.getImage()); } //当前条目与上条条目属于同一个订单，仅添加饮品 else { total += e.getPrice(); drinkIdList.add(e.getId()); imageList.add(e.getImage()); } } orderTmp.setTotal(total); orderTmp.setDrinkIdList(drinkIdList); orderTmp.setImageList(imageList); orderList.add(orderTmp); return orderList; } public List<MiniOrder> findCompletedMiniOrder(String openid) { List<MiniOrderEntry> entryList = orderMapper.findCompletedMiniOrder(openid); List<MiniOrder> orderList = new ArrayList<>(); List<String> drinkIdList = new ArrayList<>(); List<String> imageList = new ArrayList<>(); MiniOrder orderTmp = new MiniOrder(); int drinkId; int orderId = -1; double total = 0; //查询结果为空 if (entryList.size() == 0) return null; //根据订单编号合并订单条目，组成一个完整订单 for (MiniOrderEntry e : entryList) { //当前条目属于一个新订单 if (orderId != e.getOrderId()) { //不是第一个订单才需要添加到orderList if (orderId != -1) { orderTmp.setTotal(total); orderTmp.setDrinkIdList(drinkIdList); orderTmp.setImageList(imageList); orderList.add(orderTmp); } //清空上个订单用到的变量 orderTmp = new MiniOrder(); drinkIdList = new ArrayList<>(); imageList = new ArrayList<>(); total = 0; //不是第一个订单才需要清空drinkList,imageList if (orderId != -1) { drinkIdList.clear(); imageList.clear(); } // orderId = e.getOrderId(); orderTmp.setOrderId(e.getOrderId()); orderTmp.setOrderTime(e.getTime()); orderTmp.setOpenid(e.getOpenid()); total += e.getPrice(); //加入一种饮品 drinkIdList.add(e.getId()); imageList.add(e.getImage()); } //当前条目与上条条目属于同一个订单，仅添加饮品 else { total += e.getPrice(); drinkIdList.add(e.getId()); imageList.add(e.getImage()); } } orderTmp.setTotal(total); orderTmp.setDrinkIdList(drinkIdList); orderTmp.setImageList(imageList); orderList.add(orderTmp); return orderList; } pu