基于Java的外卖软件设计源码，包含商家管理后台和用户点菜页面

package web; import domain.*; import service.Impl.OrderServiceImpl; import service.Impl.ShopServiceImpl; import service.OrderService; import service.ShopService; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.util.HashMap; import java.util.List; import java.util.Map; @WebServlet("/order/*") public class OrderServlet extends BaseServlet { OrderService orderService = new OrderServiceImpl(); public void getOrderDetail(HttpServletRequest request, HttpServletResponse response) throws IOException { String _oid = request.getParameter("oid"); int oid = Integer.parseInt(_oid); System.out.println("已经接收到查看订单详细的请求"); List<OrderDetail> list = orderService.getOrderDetail(oid); Map<String,Integer> map = new HashMap<>(); for(int i=0;i<list.size();i++){ //System.out.println(list.get(i)); if(map.get(list.get(i).getName())==null){ map.put(list.get(i).getName(),1); } else { map.put(list.get(i).getName(), map.get(list.get(i).getName())+1); } } ResultInfo info = new ResultInfo(); Object[] objects = {list,map}; info.setData(objects); info.setFlag(true); writeValue(response,info); } public void getNowOrders(HttpServletRequest request, HttpServletResponse response) throws IOException { User user = (User) request.getSession().getAttribute("user"); List<Orders> list = orderService.getAll(user.getId()); for(int i=0;i<list.size();i++){ System.out.println(list.get(i)); } ResultInfo info = new ResultInfo(); info.setData(list); info.setFlag(true); writeValue(response,info); } public void submitAll(HttpServletRequest request, HttpServletResponse response) throws IOException { Cookie[] cookies = request.getCookies(); int addressid=1; for (Cookie cookie:cookies ) { if(cookie.getName().equals("addressid")){ addressid = Integer.parseInt(cookie.getValue()); System.out.println("上一次使用的地址的ID是: "+addressid); } } User user = (User) request.getSession().getAttribute("user"); System.out.println("已经接收到一键提交的请求"); List<Orders> list = orderService.submitAll(user.getId(),addressid); ResultInfo info = new ResultInfo(); info.setFlag(true); writeValue(response,info); } public void getHisOrderInfo(HttpServletRequest request, HttpServletResponse response) throws IOException { User user = (User) request.getSession().getAttribute("user"); System.out.println("已经接收到查看历史订单的请求"); List<Orders> list = orderService.getHisOrders(user.getId()); for(int i=0;i<list.size();i++){ System.out.println(list.get(i)); } ResultInfo info = new ResultInfo(); info.setData(list); info.setFlag(true); writeValue(response,info); } public void submit(HttpServletRequest request, HttpServletResponse response) throws IOException { String _addressid = request.getParameter("addressid"); int addressid = Integer.parseInt(_addressid); request.getSession().setAttribute("addressid",addressid); Cookie cookie_addressid = new Cookie("addressid",_addressid); cookie_addressid.setPath(request.getContextPath()); cookie_addressid.setMaxAge(30*24*60*60); response.addCookie(cookie_addressid); String _sid = request.getParameter("sid"); int sid = Integer.parseInt(_sid); User user = (User) request.getSession().getAttribute("user"); orderService.submit(user.getId(),sid,addressid); System.out.println("已经接收到提交订单的请求"); ResultInfo info = new ResultInfo(); info.setFlag(true); writeValue(response,info); } public void addmeal(HttpServletRequest request, HttpServletResponse response) throws IOException { ResultInfo info = new ResultInfo(); String _id = request.getParameter("id"); Integer id = Integer.parseInt(_id); System.out.println("已经接受到添加套餐的请求力"); User user =(User) request.getSession().getAttribute("user"); int uid=-1; if (user==null){ info.setFlag(false); writeValue(response,info); } else { uid = user.getId(); orderService.addMeal(id,uid,user); } info.setFlag(true); writeValue(response,info); } public void add(HttpServletRequest request, HttpServletResponse response) throws IOException { ResultInfo info = new ResultInfo(); String _id = request.getParameter("id"); Integer id = Integer.parseInt(_id); System.out.println("已经接受到添加菜品的请求力"); User user =(User) request.getSession().getAttribute("user"); int uid=-1; if (user==null){ info.setFlag(false); writeValue(response,info); } else { uid = user.getId(); orderService.addDish(id,uid,user); } info.setFlag(true); writeValue(response,info); } public void deletemeal(HttpServletRequest request, HttpServletResponse response) throws IOException { ResultInfo info = new ResultInfo(); String _id = request.getParameter("id"); Integer id = Integer.parseInt(_id); System.out.println("已经接受到移除套餐的请求力"); User user =(User) request.getSession().getAttribute("user"); int uid=-1; if (user==null){ info.setFlag(false); writeValue(response,info); } else { uid = user.getId(); } orderService.remMeal(id,uid); info.setFlag(true); writeValue(response,info); } public void delete(HttpServletRequest request, HttpServletResponse response) throws IOException { ResultInfo info = new ResultInfo(); String _id = request.getParameter("id"); Integer id = Integer.parseInt(_id); System.out.println("已经接受到移除菜品的请求力"); User user =(User) request.getSession().getAttribute("user"); int uid=-1; if (user==null){ info.setFlag(false); writeValue(response,info); } else { uid = user.getId(); } orderService.remDish(id,uid); info.setFlag(true); writeValue(response,info); } public void countmeal(HttpServletRequest request, HttpServletResponse response) throws IOException { ResultInfo info = new ResultInfo(); String _id = request.getParameter("id"); int id = Integer.parseInt(_id); User user =(User) request.getSession().getAttribute("user"); int uid=-1; if (user==null){ info.setFlag(false); writeValue(response, info); } else { uid = user.getId(); } int count = orderService.findMealCount(id,uid); info.setFlag(true); if(count==0){ info.setFlag(false); } info.setData(count); writeValue(response, info); } public void count(HttpServletRequest request, HttpServletResponse response) throws IOException { ResultInfo info = new ResultInfo(); String _id = request.getParameter("id"); int id = Integer.parseInt(_id); User user =(User) request.getSession().getAttribute("user"); int uid=-1; if (