基于Javaweb超市管理系统

管理系统"/>

基于Javaweb超市管理系统

环境：开发工具：idea，数据库：MySQL5.7 jdk1.8
架构：Javaweb，前端jsp
主要功能
员工：商品管理、收银等；
管理员：商品管理、供货管理、会员管理、员工管理等

项目截图：











部分代码：

String action=request.getParameter("action");if("list".equals(action)){int size=7;int curPage=1;String curStrPage=request.getParameter("page");if(curStrPage!=null&&curStrPage!=""){curPage=Integer.parseInt(curStrPage)<1?1:Integer.parseInt(curStrPage);}int count=DaoFactory.getCategoryDao().queryCount();request.setAttribute("count",count);int pageCount=count%size==0?count/size:count/size+1;if(curPage>pageCount&&pageCount!=0){curPage=pageCount;}else if(pageCount==0){curPage=1;pageCount=1;}request.setAttribute("pageCount",pageCount);request.setAttribute("curPage", curPage);List<Category> list=DaoFactory.getCategoryDao().queryPage((curPage-1)*size, size);request.setAttribute("list", list);request.getRequestDispatcher("category/list.jsp").forward(request, response);}else if("delete".equals(action)){String cid=request.getParameter("cid");DaoFactory.getProductDao().deleteToCategory(Integer.parseInt(cid));int i=DaoFactory.getCategoryDao().delete(cid);if(i>0){request.getRequestDispatcher("CategoryServlet?action=list").forward(request, response);}}else if("add".equals(action)){Category category=new Category();category.setCname(request.getParameter("cname"));DaoFactory.getCategoryDao().add(category);List<Category> list=DaoFactory.getCategoryDao().queryByName(request.getParameter("cname"));request.setAttribute("showPage", false);request.setAttribute("list", list);request.setAttribute("count", DaoFactory.getCategoryDao().countByName(request.getParameter("cname")));request.getRequestDispatcher("category/list.jsp").forward(request, response);}else if("update".equals(action)){String cid=request.getParameter("cid");Category category=DaoFactory.getCategoryDao().queryObject(cid);request.setAttribute("category", category);request.getRequestDispatcher("category/update.jsp").forward(request, response);}else if("do_update".equals(action)){Category category=new Category();category.setCid(Integer.parseInt(request.getParameter("cid")));category.setCname(request.getParameter("cname"));int i=DaoFactory.getCategoryDao().update(category);request.setAttribute("count", 1);request.setAttribute("showPage",false);List<Category> list=new ArrayList<Category>();list.add(DaoFactory.getCategoryDao().queryObject(String.valueOf(category.getCid())));request.setAttribute("list", list);if(i>0){request.getRequestDispatcher("category/list.jsp").forward(request, response);}else{request.setAttribute("error", "修改失败！");request.getRequestDispatcher("error.jsp").forward(request,response);}}else if("queryByName".equals(action)){String cname=request.getParameter("cname");List<Category> list=DaoFactory.getCategoryDao().queryByName(cname);request.setAttribute("showPage", false);request.setAttribute("list", list);request.setAttribute("count", DaoFactory.getCategoryDao().countByName(cname));request.getRequestDispatcher("category/list.jsp").forward(request, response);}

获取方式：点击获取