获得session
public static HttpServletRequest getSession(){
return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
}
使用session
HttpServletRequest session = SessionUtil.getSession();
session.setAttribute("USER_ID",1);
session.getAttribute("USER_ID");
注意:session不要放在主函数中,因为它是伴随着会话产生的(可以理解为通过url产生的请求)
public static void main(String[] args) {
HttpSession session = SessionUtil.getSession();
SpringApplication.run(SpringboottestApplication.class, args);
}