接入文档

function ox_sign(array $params, string $secret): string {
    unset($params['sign']);
    $params = array_filter($params, fn($v) => $v !== '' && $v !== null);
    ksort($params, SORT_STRING);
    $pairs = [];
    foreach ($params as $k => $v) {
        $pairs[] = $k . '=' . $v;
    }
    $raw = implode('&', $pairs) . '&key=' . $secret;
    return strtoupper(hash_hmac('sha256', $raw, $secret));
}

const crypto = require('crypto');

function oxSign(params, secret) {
  const raw = Object.keys(params)
    .filter(k => k !== 'sign' && params[k] !== '' && params[k] != null)
    .sort()
    .map(k => `${k}=${params[k]}`)
    .join('&') + `&key=${secret}`;

  return crypto.createHmac('sha256', secret)
    .update(raw, 'utf8')
    .digest('hex')
    .toUpperCase();
}

public static String sign(Map<String, String> params, String secret) throws Exception {
    params.remove("sign");
    String raw = params.entrySet().stream()
        .filter(e -> e.getValue() != null && !e.getValue().isEmpty())
        .sorted(Map.Entry.comparingByKey())
        .map(e -> e.getKey() + "=" + e.getValue())
        .collect(Collectors.joining("&")) + "&key=" + secret;

    Mac mac = Mac.getInstance("HmacSHA256");
    mac.init(new SecretKeySpec(secret.getBytes(StandardCharsets.UTF_8), "HmacSHA256"));
    byte[] digest = mac.doFinal(raw.getBytes(StandardCharsets.UTF_8));
    return HexFormat.of().withUpperCase().formatHex(digest);
}

import hmac, hashlib

def ox_sign(params: dict, secret: str) -> str:
    params = {k: v for k, v in params.items()
              if k != "sign" and v not in ("", None)}
    raw = "&".join(f"{k}={params[k]}" for k in sorted(params))
    raw += f"&key={secret}"
    return hmac.new(secret.encode(), raw.encode(),
                    hashlib.sha256).hexdigest().upper()