java智能外呼机器人签名失败的原因

public static void main(String[] args) throws Exception { String url ="Timestamp=2016-02-23T12%3A46:24Z&Format=XML&AccessKeyId=testid&Action=CreateIntent&SignatureMethod=HMAC-SHA1&SignatureNonce=3ee8c1b8-83d3-44af-a94f-4e0ad82fd6cf&Version=2019-12-26&SignatureVersion=1.0"; String[] split = url.split("&");

    Map<String, String> map = new HashMap<>();
    for (String str : split) {
        System.out.println("str:"+str);
        String[] splitkeyValue = str.split("=");
        map.put(splitkeyValue[0],splitkeyValue[1]);
    }
    String getStringToSign = getStringToSign(map, "GET");
    String sign = getSign(getStringToSign,AccessKeySecret);
    System.out.println("sign:"+sign);

//OLeaidS1JvxuMvnyHOwuJ+uX5qY= }

/** * [Hmac-SHA1 签名算法] * 签名方法 * * @return [签名值] * @String encryptText [加密字符源串] * @String encryptKey [加密密钥] */ public static String getSign(String encryptText, String accessKeySecret) throws Exception { byte[] data = accessKeySecret.getBytes(ENCODING); SecretKey secretKey = new SecretKeySpec(data, MAC_NAME); Mac mac = Mac.getInstance(MAC_NAME); mac.init(secretKey); byte[] text = encryptText.getBytes(ENCODING); byte[] digest = mac.doFinal(text); return new String(Base64.encodeBase64(digest),"UTF-8"); }

/**
 * 待签名字符串
 * @param map
 * @return
 */
public static String getStringToSign(Map<String, String> map,String hTTPMethod) throws UnsupportedEncodingException {
    LOG.info("start*******************************************getStringToSign()");
    //构造规范化字符串
    List<String> list = new ArrayList<>(map.keySet());
    //按字符串自然大小排序
    Collections.sort(list);
    //拼接字符串
    StringBuilder stringBuilder = new StringBuilder();
    for (String p : list) {
        stringBuilder.append(percentEncode(p))
                .append("=")
                .append(percentEncode(map.get(p)))
                .append("&");
    }
    System.out.println("stringBuilder.toString():"+stringBuilder.toString());
    String stringToSign=
            hTTPMethod + "&" +
            percentEncode("/") + "&" +
            percentEncode(stringBuilder.toString());
    System.out.println("stringToSign:"+stringToSign);
    LOG.info("end*******************************************getStringToSign()");
    return stringToSign;
}

/**
 * 待签名字符串参数的名称和值分别用UTF-8字符集进行URL编码
 */
private static String percentEncode(String value) throws UnsupportedEncodingException {
    return value != null ? URLEncoder.encode(value, ENCODING).replace("+", "%20").replace("*", "%2A").replace("%7E", "~").replace("/", "%2F") : null; }

}