javaweb商城项目

package com.igeek.web; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.util.Date; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.ResourceBundle; import java.util.UUID; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.beanutils.BeanUtils; import com.igeek.domain.Artister; import com.igeek.domain.Cart; import com.igeek.domain.CartItem; import com.igeek.domain.Category; import com.igeek.domain.OrderItem; import com.igeek.domain.Orders; import com.igeek.domain.PageBean; import com.igeek.domain.Product; import com.igeek.domain.User; import com.igeek.service.ProductService; import com.igeek.utils.PaymentUtil; /** * Servlet implementation class ProductServlet */ public class ProductServlet extends BaseServlet { private static final long serialVersionUID = 1L; public void clearCart(HttpServletRequest request, HttpServletResponse response) throws IOException { request.getSession().removeAttribute("cart"); response.sendRedirect(request.getContextPath() + "/cart.jsp"); } public void delCartItem(HttpServletRequest request, HttpServletResponse response) throws IOException { String pid = request.getParameter("pid"); // 从session中获取购物车 Cart cart = (Cart) request.getSession().getAttribute("cart"); Map<String, CartItem> items = cart.getList(); // 处理商品总额 // 获取这种商品的小计 CartItem item = items.get(pid); double subTotal = item.getSubTotal(); double nowTotal = cart.getTotal() - subTotal; cart.setTotal(nowTotal); items.remove(pid); response.sendRedirect(request.getContextPath() + "/shopping.jsp"); } public void addCart(HttpServletRequest request, HttpServletResponse response) throws IOException { String pid = request.getParameter("pid"); String num = request.getParameter("num"); System.out.println(pid + "-->" + num); // 新建一个存放一种商品的类 cartitem,把商品、数量、小计存进去 CartItem item = new CartItem(); ProductService service = new ProductService(); Product product = service.findProductById(pid); // 小计 double subTotal = product.getShop_price() * Integer.parseInt(num); item.setProduct(product); item.setBuyNum(Integer.parseInt(num)); item.setSubTotal(subTotal); // 从session中获取Cart对象，购物车 HttpSession session = request.getSession(); Cart cart = (Cart) session.getAttribute("cart"); if (cart == null) { // 第一次请求时没有cart对象 cart = new Cart(); } // 把这种商品放入map // Map<String, CartItem> map = new HashMap<>(); Map<String, CartItem> map = cart.getList(); // 判读购物车中是否有相同的商品存在 if (map.containsKey(pid)) { // 取出商品的数量+ 新添加商品的数量 int oldNum = map.get(pid).getBuyNum(); map.get(pid).setBuyNum(oldNum + item.getBuyNum()); // 小计需要从新计算 double oldSubTotal = map.get(pid).getSubTotal(); map.get(pid).setSubTotal(oldSubTotal + item.getSubTotal()); } else { map.put(pid, item); } cart.setList(map); // 总计 = 购物车中原有的总计+ 新添商品的小计 double total = cart.getTotal() + item.getSubTotal(); cart.setTotal(total); // 把购物车放入session session.setAttribute("cart", cart); // 跳转到cart.jsp，显示购物车中信息 forward跳转会产生刷新后重复提交问题 // request.getRequestDispatcher("cart.jsp").forward(request, response); // 使用重定向解决 response.sendRedirect(request.getContextPath() + "/shopping.jsp"); } public void productInfo(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String pid = request.getParameter("pid"); System.out.println("pid:" + pid); // 调用service ProductService service = new ProductService(); Product product = service.findProductById(pid); List<Product> new_products = service.findNewProducts(); List<Product> hot_products = service.findHotProducts(); System.out.println("new_products"+new_products); // 返回结果 request.setAttribute("product", product); request.setAttribute("new_products", new_products); request.setAttribute("hot_products", hot_products); request.getRequestDispatcher("pro_detail.jsp").forward(request, response); } public void productList(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 获取分类的参数 String cid = request.getParameter("cid"); System.out.println(cid); String page = request.getParameter("page"); int nowPage = 0; if (page == null) { nowPage = 1; } else { nowPage = Integer.parseInt(page); } ProductService service = new ProductService(); PageBean<Product> pageBean = service.findProductByCid(cid, nowPage); // 获取分类信息 List<Category> categories = service.findAllCategorys(); // 需要把分类信息存在sesison域中 request.getSession().setAttribute("categories", categories); request.setAttribute("pageBean", pageBean); // 把分类id放入request域 request.setAttribute("cid", cid); request.getRequestDispatcher("mall.jsp").forward(request, response); } public void index(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 1.调用service，获取热门商品和最新商品 ProductService service = new ProductService(); List<Product> hot_products = service.findHotProducts(); List<Product> new_products = service.findNewProducts(); // 获取分类信息 List<Category> categories = service.findAllCategorys(); List<Artister> artister = service.findArtister(); System.out.println(artister); // 需要把分类信息存在sesison域中 request.getSession().setAttribute("categories", categories); request.getSession().setAttribute("artister", artister); for (Category cat : categories) { System.out.println(cat); } // 2.返回结果 request.setAttribute("hot_products", hot_products); /* request.setAttribute("new_products", new_products);*/ request.setAttribute("artister", artister); request.getRequestDispatcher("index.jsp").forward(request, response); } public void special(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 1.调用service，获取热门商品和最新商品 ProductService service = new ProductService(); /*List<Product> hot_products = service.findHotProducts(); List<Product> new_products = service.findNewProducts();*/ // 获取分类信息 List<Category> categories = service.findAllCategorys(); // 需要把分类信息存在sesison域中 request.getSession().setAttribute("categories", categories); // 2.返回结果 /*request.setAttribute("hot_products", hot_products); request.setAttribute("new_products", new_products);*/ request.getRequestDispatcher("mall.jsp").forward(request, response); } public void updateorder(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 1.调用service try { String oid = request.getParameter("oid"); Orders orders = new Orders(); BeanUtils.populate(orders, request.getParameterMap()); String address = new String(orders.getAddress().getBytes("ISO-8859-1"), "UTF-8"); String name = new String(orders.getName().getBytes("ISO-8859-1"), "UTF-8"); orders.setOid(oid); orders.setAddress(address); orders.setName(name); ProductService service = new ProductService(); boolean flag = service.UpdateProducts(orders); System.out.println(orders); System.out.println(flag); // orderSubmit(request, response); /*request.setAttribute("address", address); request.setAttribute("name", name); request.setAttribute("telephone", orders.getTelephone());*/ HttpSession session = request.getSession(); session.setAt