String wechatTicket = getWechatTicket();
  int i = url.indexOf("#");
  if(-1!= i){
      url = url.substring(0,i);
  }
  String timeStamp = Long.toString(System.currentTimeMillis() / 1000);
  String nonceStr = RandomUtil.randomString(16);
  String signStr = "jsapi_ticket=" + wechatTicket +
          "&noncestr=" + nonceStr +
          "&timestamp=" + timeStamp +
          "&url=" + url;
  String sign = null;
  try {
      MessageDigest crypt = MessageDigest.getInstance("SHA-1");
      crypt.reset();
      crypt.update(signStr.getBytes("UTF-8"));
      sign = byteToHex(crypt.digest());
  } catch (NoSuchAlgorithmException e) {
      e.printStackTrace();
  } catch (UnsupportedEncodingException e) {
      e.printStackTrace();
  }
签名代码

appId: "xxxxxx"
nonceStr: "wbj8l75kr0s69j4o"
sign: "ed3a17824389c336f3f6a501ac9aedc4f88bfef0"
signStr: "jsapi_ticket=kgt8ON7yVITDhtdwci0qeTlOub9XtTpCVcCr_e3nF7g-ibPnRe-_kQBA5CsDsXN8LZVp_bcF-UwT3wMhE3ZfRA&noncestr=wbj8l75kr0s69j4o&timestamp=1624590305&url=http://blindbox.brandpano.com/index.html?activityId=tmtgqlagxo1"
timestamp: "1624590305"
wechatTicket: "kgt8ON7yVITDhtdwci0qeTlOub9XtTpCVcCr_e3nF7g-ibPnRe-_kQBA5CsDsXN8LZVp_bcF-UwT3wMhE3ZfRA"
是我哪里有问题吗签名过不了？