public static String getToken(HttpServletRequest request) {
        String token = request.getParameter(CSRF_PARAM_NAME);
        if (token == null || "".equals(token)) {
            token = request.getHeader(CSRF_PARAM_NAME);
        }
        return token;
    }
@author Robert HG (254963746@qq.com) on 11/10/15.
lts-admin/src/main/java/com/github/ltsopensource/admin/web/support/csrf/CSRFTokenManager.java