memberbaseaction.java

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/*
 * Created on 2005-11-14
 * Author 曹汕
 * Version 1.0
 * Copyright by CS.SSPKU Inc. All rights reserved. 
 */
package com.struts.action;

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.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.struts.utils.Constants;

/**
 * @author cs
 * 继承struts的Action作为action包里的父类
 * 实现一些共同的方法,可被一般action类继承
 * 设计保留
 */
public class MemberBaseAction extends Action {
	
	
	//判断用户登录否
	public boolean isLogin(HttpServletRequest request, HttpServletResponse response)throws Exception{
		HttpSession session = request.getSession(true);
		ActionMessages errors = new ActionMessages();
		Integer memberId=(Integer)session.getAttribute(Constants.Member_Id);
		if(memberId==null||memberId.intValue()==0){
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("errors.needLogin"));
			if (!errors.isEmpty())saveErrors(request, errors);
			return false;
		}
		return true;
		
		} 
	
}