SpringMVC get Servlet native api

 /**
     * servlet原生的api
     * @param request
     * @param response
     * @return
     */
    @RequestMapping("/testServlet")
    public String testServlet(HttpServletRequest request, HttpServletResponse response){
        System.out.println("执行了。。。");
        System.out.println(request);
        HttpSession session = request.getSession();
        System.out.println(session);
        ServletContext servletContext = session.getServletContext();
        System.out.println(servletContext);
        System.out.println(response);
        return "success";
    }