orderaction.java

这是一个购物车的源码

package com.tarena.shoppingcart.action;

import java.util.ArrayList;

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.dao.ShoppingCartHibernateImpl;
import com.tarena.shoppingcart.entity.Order;
import com.tarena.shoppingcart.entity.*;

public class OrderAction extends MappingDispatchAction {
	private ShoppingCartHibernateImpl service = new ShoppingCartHibernateImpl();

	public ActionForward viewOrder(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		ArrayList<Order> orders = new ArrayList<Order>();
		try {
			HttpSession session = request.getSession(false);
			User user = (User) session.getAttribute("user");
			Integer id = user.getId();
			orders = service.listOrders(id);
			session.setAttribute("orders", orders);
			forward = mapping.findForward("viewOrder");
		} catch (Exception e) {
			e.printStackTrace();
			forward = mapping.findForward("error");
		}
		return forward;
	}

	public ActionForward deleteSelectedOrder(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		ActionForward forward = null;
		try {
			Integer id = Integer.valueOf(request.getParameter("orderid"));
			service.deleteOrderByOrderId(id);
			forward = mapping.findForward("toViewOrder");
		} catch (Exception e) {
			e.printStackTrace();
			forward = mapping.findForward("error");
		}
		return forward;
	}
	public ActionForward viewSelectedOrderDetail(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
		ActionForward forward =null;	
		Order order =new Order();
		try{
			HttpSession session=request.getSession(false);
			Integer id=Integer.valueOf(request.getParameter("orderid"));
			order=service.findOrderByOrderId(id);
			session.setAttribute("order", order);
			forward=mapping.findForward("toViewOrderDetail");
		}catch(Exception e){
			e.printStackTrace();
			forward=mapping.findForward("error");
		}
		return forward;
}
	public ActionForward manager_viewOrder(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		ArrayList<Order> allOrders = new ArrayList<Order>();
		try {
			HttpSession session = request.getSession(false);
			allOrders = service.AllListOrders();
			session.setAttribute("allOrders", allOrders);
			forward = mapping.findForward("manager_viewOrder");
		} catch (Exception e) {
			e.printStackTrace();
			forward = mapping.findForward("error");
		}
		return forward;
	}
	public ActionForward operateOrder(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		try {
			HttpSession session = request.getSession(false);
			Integer id =Integer.valueOf(request.getParameter("id"));
			service.changeStatusById(id);
			forward = mapping.findForward("manager_viewOrder");
		} catch (Exception e) {
			e.printStackTrace();
			forward = mapping.findForward("error");
		}
		return forward;
	}
	public ActionForward newViewOrderDetail(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		Order order=new Order();
		User user=new User();
		try {
			Integer id =Integer.valueOf(request.getParameter("id"));
			order=service.findOrderByOrderId(id);
			request.setAttribute("thisOrder", order);
			Integer user_id =order.getUser().getId();
			user = service.findUserByUserId(user_id);
			request.setAttribute("thisUser", user);
			forward = mapping.findForward("newViewOrderDetail");
		} catch (Exception e) {
			e.printStackTrace();
			forward = mapping.findForward("error");
		}
		return forward;
	}
}