HttpShiroRequest 接管session

protected void doFilterInternal(ServletRequest servletRequest, ServletResponse servletResponse, final FilterChain chain)

            throws ServletException, IOException {

        Throwable t = null;

        try {

            final ServletRequest request = prepareServletRequest(servletRequest, servletResponse, chain);//执行封装

            final ServletResponse response = prepareServletResponse(request, servletResponse, chain);

            final Subject subject = createSubject(request, response);

            //noinspection unchecked

            subject.execute(new Callable() {

                public Object call() throws Exception {

                    updateSessionLastAccessTime(request, response);

                    executeChain(request, response, chain);

                    return null;

                }

            });...