酒店管理毕业设计(兄弟们，还没写完呢，别急着download，这只是后端代码)

    public static Boolean validateRequestSignature(HttpServletRequest request, Object ...args) {
        if (request == null) request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        String signature = request.getHeader("td-signature");
        if (signature == null) return false;


        String timeStamp = request.getHeader("td-timestamp");
        String nonce = request.getHeader("td-nonce");

        StringBuilder sb = new StringBuilder();

        sb.append(timeStamp).append(passToken).append(nonce);
//        if(map!=null){
//            map.forEach((k,v) -> {
//                if(v!=null) sb.append(",").append(v[0]);
//            });
//        }
        if (args != null) {
            for (Object arg : args) {
                if (arg != null) sb.append(',').append(arg);
            }
        }
        sb.append(timeStamp);
        String sig = SecureUtil.sha256(sb.toString());

        // lower case
        if (signature.toLowerCase().equals(sig)) return true;
        return false;
    }