orderpurchaseaction.java

来自「JSP开发的完整的网络商店.包含源代码和开发文档等」· Java 代码 · 共 56 行

/*
 * Created on 2005-11-15
 * Author 曹汕
 * Version 1.0
 * Copyright by CS.SSPKU Inc. All rights reserved. 
 */
package com.struts.action;

import java.util.Vector;

import javax.servlet.ServletContext;
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.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.struts.utils.Constants;

/**
 * @author cs
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class OrderPurchaseAction extends MemberBaseAction {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ServletContext context = servlet.getServletContext();
		String PageForward;
		ActionMessages errors = new ActionMessages();
		HttpSession session = request.getSession(true);
		Vector shoppingcart = (Vector) session.getAttribute(Constants.Shoppingcart_Key);
		if(shoppingcart==null||shoppingcart.size()==0){
			errors.add(ActionMessages.GLOBAL_MESSAGE,new ActionMessage("errors.nullShoppingcart"));
			if (!errors.isEmpty()) saveErrors(request, errors);
 			PageForward="toWrong";  
		}
		else{
			if(isLogin(request, response)) PageForward="toPurchase";
			else{
				errors.add(ActionMessages.GLOBAL_MESSAGE,new ActionMessage("errors.needLogin"));
				if (!errors.isEmpty()) saveErrors(request, errors);
	 			PageForward="toWrong";  
			}
		}
		return mapping.findForward(PageForward);

}
}