源码获取：博客首页 “资源” 里下载！
一、项目简述
功能： 商品的分类展示，用户的注册登录，购物车，订单结算， 购物车加减，后台商品管理，分类管理，订单管理等等功 能。
二、项目运行
环境配置： Jdk1.8 + Tomcat8.5 + mysql + Eclispe (IntelliJ IDEA,Eclispe,MyEclispe,Sts 都支持)
项目技术： Jdbc+ Servlert + Jsp + css + JavaScript + JQuery + Ajax + Fileupload等等。
用户注册控制层：
@WebServlet(name = "user_register",urlPatterns = "/user_rigister")public class UserRegisterServlet extends HttpServlet {private UserService uService = new UserService();protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {User user = new User();try {BeanUtils.copyProperties(user, request.getParameterMap());} catch (IllegalAccessException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (InvocationTargetException e) {// TODO Auto-generated catch blocke.printStackTrace();}if(uService.register(user)) {request.setAttribute("msg", "注册成功，请登录！");request.getRequestDispatcher("user_login.jsp").forward(request, response);}else {request.setAttribute("msg", "用户名或邮箱重复，请重新填写！");request.getRequestDispatcher("user_register.jsp").forward(request, response);}}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}}
用户登录控制层：
@WebServlet(name = "user_login",urlPatterns = "/user_login")public class UserLoginServlet extends HttpServlet {private UserService uService = new UserService();protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String ue = request.getParameter("ue");String password = request.getParameter("password");User user = uService.login(ue, password);if(user==null) {request.setAttribute("failMsg", "用户名、邮箱或者密码错误，请重新登录！");request.getRequestDispatcher("/user_login.jsp").forward(request, response);}else {request.getSession().setAttribute("user", user);request.getRequestDispatcher("/user_center.jsp").forward(request, response);}}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}}
商品详情控制层：
@WebServlet(name = "goods_detail",urlPatterns = "/goods_detail")public class GoodsDetailServlet extends HttpServlet {private GoodsService gService = new GoodsService();protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int id = Integer.parseInt(request.getParameter("id"));Goods g = gService.getGoodsById(id);request.setAttribute("g", g);request.getRequestDispatcher("/goods_detail.jsp").forward(request, response);}}
订单控制层：
@WebServlet(name = "admin_order_list",urlPatterns = "/admin/order_list")public class AdminOrderListServlet extends HttpServlet {private OrderService oService = new OrderService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int status = 0;if(request.getParameter("status") != null) {status=Integer.parseInt(request.getParameter("status") ) ;}request.setAttribute("status", status);int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}catch (Exception e){}}if(pageNumber<=0)pageNumber=1;Page p = oService.getOrderPage(status,pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){p = oService.getOrderPage(status,pageNumber);}}request.setAttribute("p", p);request.getRequestDispatcher("/admin/order_list.jsp").forward(request, response);}}
管理员商品控制层：
@WebServlet(name = "admin_goods_list",urlPatterns = "/admin/goods_list")public class AdminGoodsListServlet extends HttpServlet {private GoodsService gService = new GoodsService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int type = 0;//推荐类型if(request.getParameter("type") != null) {type=Integer.parseInt(request.getParameter("type") ) ;}int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}catch (Exception e){}}if(pageNumber<=0)pageNumber=1;Page p = gService.getGoodsRecommendPage(type, pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){p = gService.getGoodsRecommendPage(type, pageNumber);}}request.setAttribute("p", p);request.setAttribute("type", type);request.getRequestDispatcher("/admin/goods_list.jsp").forward(request, response);}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}}
源码获取：博客首页 “资源” 里下载！
