使用 J2EE 技术开发的模仿天猫商城，具备前端、后台功能。(毕设&课设&实训&大作业&竞赛&项目)

/** * 模仿天猫整站j2ee 教程 为how2j.cn 版权所有 * 本教程仅用于学习使用，切勿用于非法用途，由此引起一切后果与本站无关 * 供购买者学习，请勿私自传播，否则自行承担相关法律责任 */ package tmall.servlet; import java.io.BufferedWriter; import java.io.PrintWriter; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; import java.util.Date; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.lang.math.RandomUtils; import org.springframework.web.util.HtmlUtils; import tmall.bean.Category; import tmall.bean.Order; import tmall.bean.OrderItem; import tmall.bean.Product; import tmall.bean.ProductImage; import tmall.bean.PropertyValue; import tmall.bean.Review; import tmall.bean.User; import tmall.comparator.ProductAllComparator; import tmall.comparator.ProductDateComparator; import tmall.comparator.ProductPriceComparator; import tmall.comparator.ProductReviewComparator; import tmall.comparator.ProductSaleCountComparator; import tmall.dao.CategoryDAO; import tmall.dao.OrderDAO; import tmall.dao.ProductDAO; import tmall.dao.ProductImageDAO; import tmall.util.Page; public class ForeServlet extends BaseForeServlet { public String home(HttpServletRequest request, HttpServletResponse response, Page page) { List<Category> cs= new CategoryDAO().list(); new ProductDAO().fill(cs); new ProductDAO().fillByRow(cs); request.setAttribute("cs", cs); return "home.jsp"; } public String register(HttpServletRequest request, HttpServletResponse response, Page page) { String name = request.getParameter("name"); String password = request.getParameter("password"); name = HtmlUtils.htmlEscape(name); System.out.println(name); boolean exist = userDAO.isExist(name); if(exist){ request.setAttribute("msg", "用户名已经被使用,不能使用"); return "register.jsp"; } User user = new User(); user.setName(name); user.setPassword(password); System.out.println(user.getName()); System.out.println(user.getPassword()); userDAO.add(user); return "@registerSuccess.jsp"; } public String login(HttpServletRequest request, HttpServletResponse response, Page page) { String name = request.getParameter("name"); name = HtmlUtils.htmlEscape(name); String password = request.getParameter("password"); User user = userDAO.get(name,password); if(null==user){ request.setAttribute("msg", "账号密码错误"); return "login.jsp"; } request.getSession().setAttribute("user", user); return "@forehome"; } public String product(HttpServletRequest request, HttpServletResponse response, Page page) { int pid = Integer.parseInt(request.getParameter("pid")); Product p = productDAO.get(pid); List<ProductImage> productSingleImages = productImageDAO.list(p, ProductImageDAO.type_single); List<ProductImage> productDetailImages = productImageDAO.list(p, ProductImageDAO.type_detail); p.setProductSingleImages(productSingleImages); p.setProductDetailImages(productDetailImages); List<PropertyValue> pvs = propertyValueDAO.list(p.getId()); List<Review> reviews = reviewDAO.list(p.getId()); productDAO.setSaleAndReviewNumber(p); request.setAttribute("reviews", reviews); request.setAttribute("p", p); request.setAttribute("pvs", pvs); return "product.jsp"; } public String logout(HttpServletRequest request, HttpServletResponse response, Page page) { request.getSession().removeAttribute("user"); return "@forehome"; } public String checkLogin(HttpServletRequest request, HttpServletResponse response, Page page) { User user =(User) request.getSession().getAttribute("user"); if(null!=user) return "%success"; return "%fail"; } public String loginAjax(HttpServletRequest request, HttpServletResponse response, Page page) { String name = request.getParameter("name"); String password = request.getParameter("password"); User user = userDAO.get(name,password); if(null==user){ return "%fail"; } request.getSession().setAttribute("user", user); return "%success"; } public String category(HttpServletRequest request, HttpServletResponse response, Page page) { int cid = Integer.parseInt(request.getParameter("cid")); Category c = new CategoryDAO().get(cid); new ProductDAO().fill(c); new ProductDAO().setSaleAndReviewNumber(c.getProducts()); String sort = request.getParameter("sort"); if(null!=sort){ switch(sort){ case "review": Collections.sort(c.getProducts(),new ProductReviewComparator()); break; case "date" : Collections.sort(c.getProducts(),new ProductDateComparator()); break; case "saleCount" : Collections.sort(c.getProducts(),new ProductSaleCountComparator()); break; case "price": Collections.sort(c.getProducts(),new ProductPriceComparator()); break; case "all": Collections.sort(c.getProducts(),new ProductAllComparator()); break; } } request.setAttribute("c", c); return "category.jsp"; } public String search(HttpServletRequest request, HttpServletResponse response, Page page){ String keyword = request.getParameter("keyword"); List<Product> ps= new ProductDAO().search(keyword,0,20); productDAO.setSaleAndReviewNumber(ps); request.setAttribute("ps",ps); return "searchResult.jsp"; } public String buyone(HttpServletRequest request, HttpServletResponse response, Page page) { int pid = Integer.parseInt(request.getParameter("pid")); int num = Integer.parseInt(request.getParameter("num")); Product p = productDAO.get(pid); int oiid = 0; User user =(User) request.getSession().getAttribute("user"); boolean found = false; List<OrderItem> ois = orderItemDAO.listByUser(user.getId()); for (OrderItem oi : ois) { if(oi.getProduct().getId()==p.getId()){ oi.setNumber(oi.getNumber()+num); orderItemDAO.update(oi); found = true; oiid = oi.getId(); break; } } if(!found){ OrderItem oi = new OrderItem(); oi.setUser(user); oi.setNumber(num); oi.setProduct(p); orderItemDAO.add(oi); oiid = oi.getId(); } return "@forebuy?oiid="+oiid; } public String buy(HttpServletRequest request, HttpServletResponse response, Page page){ String[] oiids=request.getParameterValues("oiid"); List<OrderItem> ois = new ArrayList<>(); float total = 0; for (String strid : oiids) { int oiid = Integer.parseInt(strid); OrderItem oi= orderItemDAO.get(oiid); total +=oi.getProduct().getPromotePrice()*oi.getNumber(); ois.add(oi); } request.getSession().setAttribute("ois", ois); request.setAttribute("total", total); return "buy.jsp"; } public String addCart(HttpServletRequest request, HttpServletResponse response, Page page) { int pid = Integer.parseInt(request.getParameter("pid")); Product p = productDAO.get(pid); int num = Integer.parseInt(request.getParameter("num")); User user =(User) request.getSession().getAttribute("user"); boolean found = false; List<OrderItem> ois = orderItemDAO.listByUser(user.getId()); for (OrderItem oi : ois) { if(oi.getProduct().getId()==p.getId()){ oi.setNumber(oi.getNumber()+num); orderItemDAO.update(oi); found = true; break; } } if(!found){ OrderItem oi = new OrderItem(); oi.setUser(user); oi.setNumber(num); oi.setProduct(p); orderItemDAO.add(oi); } return "%success"; } public String cart(HttpServletRequest request, HttpServletResponse response, Page page) { User user =(User) request.getSession().getAttribute("user"); List<OrderItem> ois = orderItemDAO.listByUser(user.getId()); request.setAttribute("ois", ois); return "cart.jsp"; } public String changeOrderItem(HttpServletRequest request, HttpServletResponse response, Page page) { User user =(User) request.getSession().getAttr