lingpaidispatchaction.java

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package com.jxyd.common;

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

import org.apache.struts.actions.DispatchAction;
/**
 * 牛琛
 * */
public class LingPaiDispatchAction extends DispatchAction{
	public static boolean sessionvlie(HttpServletRequest request){
		HttpSession session=request.getSession();
		if(session.getAttribute(SessionInfo.UserInfo)==null){
			return false;
		}else{
			return true;
		}
	}
	//创建令牌
	public static void saveToken2(HttpServletRequest request){
		String uniquestring= UniqueStringGenerator.getUniqueString();
		HttpSession session=request.getSession();
		session.setAttribute("uniquestring",uniquestring);
		request.setAttribute("element", UniqueStringGenerator.getConcealJSP(uniquestring));
	}
	//移除令牌
	public  static void resetToken2(HttpServletRequest request){
		HttpSession session=request.getSession();
		session.removeAttribute("uniquestring");
		//request.removeAttribute("element");zzzzzzzzzzzzz
	}
	//判断令牌是否相同
	public static boolean isTokenValid2(HttpServletRequest request){
		HttpSession session=request.getSession();
		String elementvalue=request.getParameter("uniquestring");
		if(elementvalue==null){
			elementvalue=(String) request.getAttribute("uniquestring");
		}
		if(elementvalue==null){
			return false;
		}
		String uniquestring=(String) session.getAttribute("uniquestring");
		//System.out.println("ISTOKENVALID====="+elementvalue+"       "+uniquestring);
		if(uniquestring==null){
			return false;
		}
		if(elementvalue.equals(uniquestring)){
			return true;
		}else
			return false;
	}
}