基于SSM+JSP网上订餐管理系统

package com.example.meal_ordering_system.controller; import com.example.meal_ordering_system.entity.*; import com.example.meal_ordering_system.service.MenusService; import com.example.meal_ordering_system.service.OrdersService; import com.example.meal_ordering_system.service.UsersService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import java.io.UnsupportedEncodingException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.List; /** * (Orders)表控制层 * * @author makejava * @since 2021-02-04 12:51:20 */ @Controller @RequestMapping("orders") public class OrdersController { /** * 服务对象 */ @Autowired @Qualifier("ordersService") private OrdersService ordersService; @Autowired @Qualifier("menusService") private MenusService menusService; @Autowired @Qualifier("usersService") private UsersService usersService; //获取全部订单信息 @RequestMapping("ordergetall") public String ordergetall( HttpServletRequest request) { //传给前端 Pages page1=null; //总页面 Integer totalCount=null; //当前页面 String currentpages="1"; //获取上一页还是下一页标识 String s=""; //数据库操作页面 String pagess="1"; //前端页面总数 Integer allpage=null; //如果不为空则获取currentpage if(request.getParameter("currentpage")!=null){ currentpages=request.getParameter("currentpage"); totalCount= ordersService.pageCount(); allpage=totalCount/5; if(totalCount%5!=0){ allpage++; } if(Integer.parseInt(currentpages)<=0){ currentpages="1"; } if(Integer.parseInt(currentpages)>allpage){ currentpages=""+allpage; } //设置pagess的值 if(request.getParameter("s")!=null){ s=request.getParameter("s"); if(s.equals("up")){ pagess=""+(Integer.parseInt(currentpages)-4); }else if(s.equals("down")){ pagess=""+((Integer.parseInt(currentpages)-1)*5-1); }else if (s.equals("first")){ pagess="0"; }else if(s.equals("last")){ pagess=""+(totalCount-(totalCount%5)-1); }else { System.out.println("错误"); } } page1=new Pages(currentpages,allpage); request.setAttribute("pages",page1); }else{ totalCount= ordersService.pageCount(); allpage=totalCount/5; if(ordersService.pageCount()%5!=0){ allpage++; } page1=new Pages("1", allpage); request.setAttribute("pages",page1); } //判断操作数据库页面是否突破限制 if(Integer.parseInt(pagess)<=0){ pagess="0"; } if(Integer.parseInt(pagess)>totalCount){ pagess=""+(totalCount-(totalCount%5)-1); } List<Orders> list= ordersService.pageList(Integer.parseInt(pagess),5); request.setAttribute("list",list); System.out.println("pagess="+pagess); System.out.println("currentpages="+currentpages); return "/admin/order"; } //确认打印订单 确认则将deliverys设置为一否则删除 @RequestMapping("OrderComfirm") public String OrderComfirm( HttpServletRequest request){ int id=Integer.parseInt(request.getParameter("id")); String reqtype=request.getParameter("reqtype"); if(reqtype.equals("delivery")){ ordersService.updatedeliveryById(id); }else if(reqtype.equals("del")){ ordersService.deleteById(id); }else{ System.out.println("错误"); } return "redirect:/orders/ordergetall"; } @RequestMapping("order_search") public String order_search( HttpServletRequest request) { return "/admin/order_search"; } @RequestMapping("ordergetallbydelivery") public String ordergetallbydelivery(HttpServletRequest request){ String delivery=request.getParameter("delivery"); Integer d=Integer.parseInt(delivery); HttpSession session=request.getSession(); Users user = (Users) session.getAttribute("user_session"); Integer uid = usersService.queryByname(user.getName()); List<Orders> list=ordersService.pageListByDeliveryAndUid(d,uid); session.setAttribute("ordersearch", list); return "/qiantai/order"; } @RequestMapping("orderGetAllByUid") public String orderGetAllByUid(HttpServletRequest request){ HttpSession session=request.getSession(); Users user = (Users) session.getAttribute("user_session"); Integer uid = usersService.queryByname(user.getName()); List<Orders> list=ordersService.pageListByUid(uid); session.setAttribute("ordersearch", list); return "/qiantai/order"; } @RequestMapping(value="order_qiantai",method = RequestMethod.POST) public String order_qiantai( HttpServletRequest request) throws UnsupportedEncodingException { List<Orders> list=null; HttpSession session=request.getSession(); request.setCharacterEncoding("utf-8"); Integer id=null; String menuname=null; String day1=null; if(request.getParameter("menuname")!=null&&(!request.getParameter("menuname").equals(""))){ menuname=request.getParameter("menuname"); Users user = (Users) session.getAttribute("user_session"); Integer uid = usersService.queryByname(user.getName()); /* list=ordersService.pageListByMenue(menuname);*/ list=ordersService.pageListByMenuAndUid(menuname,uid); }else if(request.getParameter("date")!=null&&(!request.getParameter("date").equals(""))){ day1=request.getParameter("date"); Integer a=Integer.parseInt(day1.substring(9,10)); String aa=""+(a+1); StringBuilder day=new StringBuilder(day1); day.replace(9,10,aa); String day2=day.toString(); list=ordersService.pageListByDate(day1,day2); }else { System.out.println("未提交"); } session.setAttribute("ordersearch", list); System.out.println(id); System.out.println(menuname); System.out.println(day1); return "/qiantai/order"; } @RequestMapping(value="order_searchs",method = RequestMethod.POST) public String order_searchs( HttpServletRequest request) throws UnsupportedEncodingException { List<Orders> list=null; HttpSession session=request.getSession(); request.setCharacterEncoding("utf-8"); Integer id=null; String menuname=null; String day1=null; if(request.getParameter("userid")!=null&&(!request.getParameter("userid").equals(""))){ id=Integer.parseInt(request.getParameter("userid")); list=ordersService.pageListByID(id); }else if(request.getParameter("menuname")!=null&&(!request.getParameter("menuname").equals(""))){ menuname=request.getParameter("menuname"); list=ordersService.pageListByMenu(menuname); }else if(request.getParameter("date")!=null&&(!request.getParameter("date").equals("")))