myeclipse+struts+jsp网上书店3

package com.wanshou.shoppcart.web.struts.action; import java.util.*; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.*; import org.apache.struts.actions.*; import com.wanshou.shoppcart.dao.hbnImpl.ShoppingCartDaoHbnImpl; import com.wanshou.shoppcart.entity.*; import com.wanshou.shoppcart.util.BeanFactory; public class CartAction extends MappingDispatchAction{ public ActionForward modifyNumber(ActionMapping mapping,ActionForm form, HttpServletRequest request,HttpServletResponse response) throws Exception { Cart cart =(Cart) request.getSession().getAttribute("cart"); if(cart == null){ cart = new Cart(); request.getSession().setAttribute("cart", cart); } System.out.println("modifyNumber"); String[] number = request.getParameterValues("number"); String[] productId = request.getParameterValues("productId"); if(number!=null){ for (int i = 0; i < number.length; i++) { Item item = cart .findByProductId(Integer.parseInt(productId[i])); item.setNumber(Integer.parseInt(number[i])); System.out.println(item.getNumber()); cart.modifyItemNumber(item); System.out.println(item.getNumber()); } } return mapping.findForward("modifyNumber"); } public ActionForward deleteSelectItem(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception{ Cart cart =(Cart) request.getSession().getAttribute("cart"); if(cart == null) { cart = new Cart(); request.getSession().setAttribute("cart", cart); } System.out.println("deleteSelectItem"); String[] productId = request.getParameterValues("item"); if(productId != null){ for (int i = 0; i < productId.length; i++) { cart.removeItemByProductId(Integer.parseInt(productId[i])); } } return mapping.findForward("deleteSelectItem"); } public ActionForward clearCart(ActionMapping mapping,ActionForm form, HttpServletRequest request,HttpServletResponse response) throws Exception { Cart cart =(Cart) request.getSession().getAttribute("cart"); if(cart == null) { cart = new Cart(); request.getSession().setAttribute("cart", cart); } cart.clear(); return mapping.findForward("clearCart"); } public ActionForward operateOrder(ActionMapping mapping,ActionForm form, HttpServletRequest request,HttpServletResponse response) throws Exception{ User user =(User) request.getSession().getAttribute("user"); if(user == null){ return mapping.findForward("unlogin"); }else{ Cart cart =(Cart) request.getSession().getAttribute("cart"); if(cart == null){ cart = new Cart(); request.getSession().setAttribute("cart", cart); } if(cart.isEmpty()){ return mapping.findForward("cart"); } return mapping.findForward("login"); } } public ActionForward generateOrder(ActionMapping mapping ,ActionForm form, HttpServletRequest request,HttpServletResponse response) throws Exception{ Cart cart =(Cart) request.getSession().getAttribute("cart"); Order order = new Order(); User user =(User) request.getSession().getAttribute("user"); order.setUser(user); order.setStatus(1); order.setCost(cart.getCost()); Set<Item> items = cart.getItem(); for(Item item:items){ System.out.println(item.getProduct().getName()); item.setOrder(order); } order.setItem(items); ShoppingCartDaoHbnImpl shop =(ShoppingCartDaoHbnImpl)BeanFactory .getBean("shoppingCartDao"); shop.generateOrder(order); return mapping.findForward("message"); } }