orderconfirmaction.java

用STRUTS ,HIBERNATE, SPRING 三种框架整合做的实战项目

package com.ghy.action;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;

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 com.ghy.data.customer.Customer;
import com.ghy.data.order.Order;
import com.ghy.data.order.OrderItem;
import com.ghy.data.order.OrderItemForm;
import com.ghy.service.order.OrderServiceIfc;

public class OrderconfirmAction extends BaseAction {

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		// TODO Auto-generated method stub
		HttpSession session = request.getSession();
		OrderItemForm orderItemForm = (OrderItemForm)session.getAttribute("cart");
		ArrayList list = orderItemForm.getOrderItems();
		Date date=new Date();
		SimpleDateFormat simpledate=new SimpleDateFormat("yy/MM/dd hh:mm:ss");
		Order order = new Order();
		if(list==null||list.size()==0)
		{
			return mapping.findForward("orderitem");
		}
			Customer customer = (Customer)session.getAttribute("CurrentUser");
			order.setCustomer(customer);
			order.setUserName(customer.getName());
			order.setOrder_time(simpledate.format(date));
			order.setTotalPrice(totalPrices(list));
			request.setAttribute("order", order);
		
		if(request.getParameter("action")!=null)
		{
			OrderServiceIfc orderServiceIfc= getOrderServiceIfc();
     		orderServiceIfc.saveOrder(order);
     		session.setAttribute("cart", new OrderItemForm());
     		ArrayList orders = orderServiceIfc.getOrder(customer);
     		session.setAttribute("orders", orders);
     		return mapping.findForward("orderhistory");
			
		}
		return mapping.findForward("orderconfirm");
	}
	//计算总价
	public int totalPrices (ArrayList list)
	{
		int totalPrices = 0 ;
		OrderItem orderItem = new OrderItem();
		for (int i = 0; i < list.size(); i++) {
			orderItem = (OrderItem)list.get(i);
			totalPrices += orderItem.getSubtotal();
			
		}
		return totalPrices;
	}
	
	

}