1.在springmvc中:
HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
3.通过ServletActionContext获取
HttpServletRequest request = ServletActionContext.getRequest();
HttpSession session = request.getSession();
String userSession = request.getSession().getAttribute("userId")+StringUtil.EMPTY;

本文展示了如何在SpringMVC中通过两种方法获取HttpServletRequest和HttpSession, 并介绍了如何从Session中读取属性。
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