shoppingcart6.0

package com.tarena.shoppingcart.action; import java.util.HashSet; import java.util.Map; import java.util.Set; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.actions.MappingDispatchAction; import com.tarena.shoppingcart.entity.Cart; import com.tarena.shoppingcart.entity.Item; import com.tarena.shoppingcart.entity.Order; import com.tarena.shoppingcart.entity.Product; import com.tarena.shoppingcart.entity.User; import com.tarena.shoppingcart.service.ShoppingCartServiceImpl; import com.tarena.shoppingcart.util.ShoppingCartServiceImplFactory; public class UserCartMappingDispatchAction extends MappingDispatchAction { /** * 修改购物车商品数量 */ public ActionForward modifyProductNum(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { HttpSession session = request.getSession(); Cart cart = (Cart) session.getAttribute("cart"); String[] productIds = request.getParameterValues("productId"); for (int i = 0; i < productIds.length; i++) { String number = request.getParameter(productIds[i]); cart.modifyNumberByProductId(Integer.parseInt(productIds[i]), Integer.parseInt(number)); } return mapping.findForward("toCart"); } /** * 删除所选商品 */ public ActionForward deleteProduct(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { HttpSession session = request.getSession(); String[] values = request.getParameterValues("items"); Cart cart = (Cart) session.getAttribute("cart"); int[] productIds = new int[values.length]; for (int i = 0; i < values.length; i++) { productIds[i] = Integer.parseInt(values[i]); cart.deleteItemByProductId(productIds[i]); } return mapping.findForward("toCart"); } /** * 清空购物车 */ public ActionForward clearCart(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { request.getSession().removeAttribute("cart"); return mapping.findForward("toCart"); } /** * 结帐 */ public ActionForward goCheck(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { return mapping.findForward("toCheck"); } /** * 生成定单,要判断用户是否登录 */ public ActionForward buildOrder(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { if (request.getSession().getAttribute("cart") == null) { return mapping.findForward("toLogin"); } else { String userName = request.getParameter("userName"); String address = request.getParameter("address"); String postCode = request.getParameter("postCode"); String email = request.getParameter("email"); String homePhone = request.getParameter("homePhone"); Order order = new Order(); User user = new User(userName, address, postCode, email, homePhone); order.setUser(user); Map map = ((Cart) request.getSession().getAttribute("cart")) .getItems(); Set<Integer> set = map.keySet(); Set<Item> items = new HashSet<Item>(); for (Integer i : set) { Item item = (Item) map.get(i); items.add(item); } order.setItems(items); for (Item i : items) { System.out.println("结帐:" + i.getProduct().getName()); } ShoppingCartServiceImpl service = ShoppingCartServiceImplFactory .getShoppingCartServiceImpl(); service.buildOrder(order); return mapping.findForward("toOrder"); } } }