如果FlexContext不可用:
解决方案1:内部方法(> =需要Spring 2.0)
HttpServletRequest request = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()) .getRequest();
解决方案2:内部bean(由> = 2.5支持,Spring 3.0需要使用singelton bean!)
@Autowiredprivate HttpServletRequest request;



