springmvc防止form表单重复提交

public class TokenHandlerInterceptor implements HandlerInterceptor {
            
    @Override
    public void afterCompletion(HttpServletRequest arg0,
            HttpServletResponse arg1, Object arg2, Exception arg3)
            throws Exception {
        
    }

    @Override
    public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
            Object arg2, ModelAndView arg3) throws Exception {
        
    }

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
            Object object) throws Exception {
        if((request.getParameter("token")!=null)) {
            String token = request.getParameter("token").toString();
            String sessionToken = request.getSession().getAttribute("token").toString();
            if(sessionToken!=null&&!token.equals(sessionToken)) {
                request.getRequestDispatcher("/page/reForm.jsp").forward(request, response);
                return false;
            }
        }
        String header = request.getHeader("X-request-with");
        
        if(!"XMLHttpRequest".equals(header)) {
            request.getSession().setAttribute("token", UUID.randomUUID());
        }
        
        return true;
    }

}