orderconfirmaction.java

JSP开发的完整的网络商店.包含源代码和开发文档等

/*
 * Created on 2005-11-7
 * Author 曹汕
 * Version 1.0
 * Copyright by CS.SSPKU Inc. All rights reserved. 
 */
package com.struts.action;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;

import com.struts.business.*;
import com.struts.controller.*;
import com.struts.controller.impl.OrderControllerImpl;
import com.struts.utils.*;
import java.util.Vector;

/**
 * @author cs
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class OrderConfirmAction extends MemberBaseAction{  
		public ActionForward execute(
				ActionMapping mapping,
				ActionForm form,
				HttpServletRequest request,  
				HttpServletResponse response) throws Exception {
			//获取session
	        HttpSession session = request.getSession(true);
			ServletContext context = servlet.getServletContext();
			String PageForward;
			ActionMessages errors = new ActionMessages();
			
	    	OrderHead orderHead=(OrderHead)session.getAttribute(Constants.Order_Head_Key);
	    	Vector shoppinglist =(Vector)session.getAttribute(Constants.Shoppingcart_Key);
	    	if(orderHead==null||shoppinglist==null){
	    		PageForward="toWrong"; 
	    		}
	       else {
	       	   int a=OrderControllerImpl.getInstance().SaveOrder(orderHead,shoppinglist); 
		       if(a!=0){
		        	PageForward="toOrderConfirmed";	 
		        	//生成订单后清空购物车里的信息
		        	session.setAttribute(Constants.Member_Order_Id_Key,new Integer(a));
		        	session.removeAttribute(Constants.Order_Head_Key);
		        	session.removeAttribute(Constants.Shoppingcart_Key);
		        }
		        else{
		        	errors.add(ActionMessages.GLOBAL_MESSAGE,
	                        new ActionMessage("errors.orderFailed"));
					if (!errors.isEmpty()) {
						saveErrors(request, errors);
					} 
					PageForward="toWrong";  
		        }
	        }
			return mapping.findForward("toOrderConfirmed");
		}
	}