shoppingcart

package com.yzp.action; import java.util.Set; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; 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.yzp.dao.hbnImpl.ShoppingCarDaoHbnImpl; import com.yzp.entity.Cart; import com.yzp.entity.Item; import com.yzp.entity.Order; import com.yzp.entity.User; import com.yzp.service.impl.ShoppingCarServiceHbnImpl; public class CartAction extends MappingDispatchAction{ public ActionForward modifyNumber(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception{ //修改数量 Cart cart=(Cart)request.getSession().getAttribute("cart"); if(cart==null){ cart=new Cart(); } System.out.println("modifyNumber"); String[] number=request.getParameterValues("number"); String[] product=request.getParameterValues("items"); if(number!=null){ for(int i=0;i<number.length;i++){ Item item=cart.findByProductId(Integer.parseInt(product[i])); System.out.println("********"); item.setNumber(Integer.parseInt(number[i])); cart.modifyItemNumber(item);//调用Cart.modifyItemNumber(item) } } request.getSession().setAttribute("cart",cart); return mapping.findForward("modifyNumber"); } public ActionForward deleteSelectItem(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception{ //删除所选项Item Cart cart=(Cart)request.getSession().getAttribute("cart"); if(cart==null){ cart=new Cart(); } System.out.println("deleteSelectItem"); String[] product=request.getParameterValues("item"); if(product!=null){ for(int i=0;i<product.length;i++){ cart.removeItemByProductId(Integer.parseInt(product[i])); } } request.getSession().setAttribute("cart",cart); return mapping.findForward("deleteSelectItem"); } public ActionForward clearCart(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception{ //清空购物车 Cart cart=(Cart)request.getSession().getAttribute("cart"); if(cart==null){ cart=new Cart(); request.getSession().setAttribute("cart",cart); } cart.clear(); System.out.println(cart+"cart#########"); return mapping.findForward("clearCart"); } public ActionForward operateOrder(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception{ //在cart.jsp中,点击结帐 User user=(User)request.getSession().getAttribute("user"); if(user==null){//没有登录 return mapping.findForward("unlogin"); }else{ Cart cart=(Cart)request.getSession().getAttribute("cart"); if(cart==null){//购物车空, cart=new Cart(); request.getSession().setAttribute("fail",cart); } if(cart.isEmpty()){//购物车不空, return mapping.findForward("fail"); } return mapping.findForward("order"); } } public ActionForward generagetOrder(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception{ //生成一个Order Cart cart=(Cart)request.getSession().getAttribute("cart"); User user=(User)request.getSession().getAttribute("user"); Order order=new Order(); order.setUser(user); order.setStatus(1); order.setCost(cart.getCost()); Set<Item> items=cart.getItems(); order.setItem(items); ShoppingCarServiceHbnImpl sh=new ShoppingCarServiceHbnImpl(); sh.generateOrder(order);//保存到数据库 request.getSession().setAttribute("order", order); return mapping.findForward("success"); } }