public static void main(String[] args) throws Exception {

        String access_token = "屏蔽";

        Map<String, Object> paramMap = new TreeMap<>();
        paramMap.put("openid", "屏蔽");
        paramMap.put("offer_id", "1450049208");
        paramMap.put("ts", 1751271984);
        paramMap.put("zone_id", "1");
        paramMap.put("env", 1);
        paramMap.put("out_trade_no", "屏蔽");
        paramMap.put("biz_id", 2);

        String sessionKey ="屏蔽饿了";
//        String signData = JSON.toJSONString(paramMap).replaceAll(",",", ").replaceAll(":",": ");//JSONUtil.toJsonStr(paramMap); //MapUtil.sortJoin(paramMap, "&", "=", true);
        StringBuilder signData = new StringBuilder();
        for (Map.Entry<String, Object> entry : paramMap.entrySet()) {
            if (signData.length() > 0) {
                signData.append("&");
            }
            signData.append(entry.getKey()).append("=").append(entry.getValue());
        }

        System.out.println(signData);
        String signature = getSHA256StrJava(sessionKey,signData.toString());//Base64.encodeBase64String(AesUtil.getSHA256StrJava(sessionKey,signStr));
//        String signature = sign(signData.toString(),sessionKey);
        System.out.println("用户态签名："+signature);
//        System.out.println("用户态签名："+AesUtil.getSHA256StrJava(sessionKey,signData1));

        //支付请求签名
        String relativeUrl = "/wxa/game/queryorderinfo";
        String app_key = " 屏蔽了";
        String pay_sig = getSHA256StrJava(app_key,relativeUrl +"&"+signData.toString());//AesUtil.to_hex(PropertiesFactory.getWeiXin_APP_KEY_0(),url,signStr);
        System.out.println("支付签名："+pay_sig);

        String SIG_METHOD = "hmac_sha256";
        String url = "https://api.weixin.qq.com/wxa/game/queryorderinfo";
        String url_param = url + "?access_token="+access_token+"&signature="+signature+"&sig_method="+SIG_METHOD+"&pay_sig="+pay_sig;
        System.out.println("请求url："+url_param);
        String android_content = HttpUtil.post(url_param, paramMap);

        System.out.println(android_content);
    }

    private static  String getSHA256StrJava(String key,String data){
        byte[] keyBytes = key.getBytes(StandardCharsets.UTF_8);
        SecretKeySpec signingKey = new SecretKeySpec(keyBytes, "HmacSHA256");
        try {
            Mac mac = Mac.getInstance("HmacSHA256");
            mac.init(signingKey);
            return  new String(Hex.encode(mac.doFinal(data.getBytes(StandardCharsets.UTF_8)))).toLowerCase();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }