购物车或在线购物系统

package com.wsr.shoppingonline.action; import java.io.IOException; import java.io.PrintWriter; import java.util.*; import javax.servlet.RequestDispatcher; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.http.*; import com.wsr.shoppingonline.biz.*; import com.wsr.shoppingonline.biz.impl.*; import com.wsr.shoppingonline.pojo.*; public class ActionServlet extends HttpServlet { public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { String path = req.getServletPath(); path = path.substring(0, path.lastIndexOf(".")); if (path.equals("/shopping/login")) { login(req, res); } else if (path.equals("/shopping/register")) { register(req, res); } else if (path.equals("/shopping/findinfo")) { findInfo(req, res); } else if (path.equals("/shopping/modify")) { modify(req, res); } else if (path.equals("/shopping/remove")) { remove(req, res); } else if (path.equals("/shopping/gostore")) { goStore(req, res); } else if (path.equals("/shopping/lookcart")) { lookCart(req, res); } else if (path.equals("/shopping/quit")) { quit(req, res); } else if (path.equals("/shopping/findbook")) { findBook(req, res); } else if (path.equals("/shopping/findhomedevice")) { findHomeDevice(req, res); } else if (path.equals("/shopping/findmobilephone")) { findMobilePhone(req, res); } else if (path.equals("/shopping/findcomputer")) { findComputer(req, res); } else if (path.equals("/shopping/search")) { search(req, res); } else if (path.equals("/shopping/index/findbook")) { indexFindBook(req, res); } else if (path.equals("/shopping/index/findhomedevice")) { indexFindHomeDevice(req, res); } else if (path.equals("/shopping/index/findmobilephone")) { indexFindMobilephone(req, res); } else if (path.equals("/shopping/index/findcomputer")) { indexFindComputer(req, res); } else if (path.equals("/shopping/index/search")) { indexSearch(req, res); } else if (path.equals("/shopping/index")) { findAllProducts(req, res); } else if (path.equals("/shopping/find")) { find(req, res); } else if (path.equals("/shopping/addtocart")) { addToCart(req, res); } else if (path.equals("/shopping/cleancart")) { cleanCart(req, res); } else if (path.equals("/shopping/deletecartitem")) { deleteCartItem(req, res); } else if (path.equals("/shopping/updatecount")) { updateCount(req, res); } else if (path.equals("/shopping/buy")) { buy(req, res); } else if (path.equals("/shopping/submitorder")) { submitOrder(req, res); } else if (path.equals("/shopping/lookorder")) { lookOrder(req, res); } else if (path.equals("/shopping/orderdetail")) { orderDetail(req, res); }else if (path.equals("/shopping/tomodify")) { toModify(req, res); } } public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { doGet(req, res); } /* * 用户登录 */ private void login(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { UserService us = new UserServiceImpl(); us.login(req, res); } /* * 用户注册 */ private void register(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { UserService us = new UserServiceImpl(); us.register(req, res); } /* * 查看个人注册信息 */ private void findInfo(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { try { UserService userService = new UserServiceImpl(); List<User> users = userService.findInfo(); req.setAttribute("users", users); ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/userinfo.jsp"); rd.forward(req, res); } catch (Exception e) { e.printStackTrace(); } } /* * 修改个人信息 */ private void modify(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { UserService us = new UserServiceImpl(); us.modify(req, res); } /* * 删除个人信息 */ private void remove(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { UserService us = new UserServiceImpl(); us.delete(req, res); } /* * 去购物商城 */ private void goStore(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { ProductService productService = new ProductServiceImpl(); List<Product> products = productService.findAll(); req.setAttribute("products", products); ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/shoppingstore.jsp"); rd.forward(req, res); } /* * 查看购物车 * */ private void lookCart(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { Set<Product> shoppingcart = UserServiceImpl.getShoppingcart(); req.setAttribute("shoppingcart", shoppingcart); ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/shoppingcart.jsp"); rd.forward(req, res); } /* * 退出 */ private void quit(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { UserService us = new UserServiceImpl(); us.quit(req, res); } /* * 查找书籍 */ private void findBook(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { ProductService productService = new ProductServiceImpl(); List<Product> products = productService.findByModel("book"); req.setAttribute("products", products); ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/shoppingstore.jsp"); rd.forward(req, res); } /* * 查找家电 */ private void findHomeDevice(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { ProductService productService = new ProductServiceImpl(); List<Product> products = productService.findByModel("homeDevice"); req.setAttribute("products", products); ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/shoppingstore.jsp"); rd.forward(req, res); } /* * 查找手机 */ private void findMobilePhone(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { ProductService productService = new ProductServiceImpl(); List<Product> products = productService.findByModel("mobilePhone"); req.setAttribute("products", products); ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/shoppingstore.jsp"); rd.forward(req, res); } /* * 查找电脑 */ private void findComputer(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { ProductService productService = new ProductServiceImpl(); List<Product> products = productService.findByModel("computer"); req.setAttribute("products", products); ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/shoppingstore.jsp"); rd.forward(req, res); } /* * 搜索 */ private void search(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { ProductService productService = new ProductServiceImpl(); List<Product> products = productService.findByName(req, res); req.setAttribute("products", products); ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/shoppingstore.jsp"); rd.forward(req, res); } /* * 查找所有的商品 */ private void findAllProducts(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { ProductService pro