美团北极星 洗涤行业对接

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~~美团北极星 洗涤行业对接
美团洗衣行业对接 java代码
签名不一致 sign值不一致
中文乱码导致的 本地测试没问题 线上tomcat有问题
需要先去下载java SDK ~~

SDK 版本：
java代码

 public static String generateSign(GenerateSignRequest generateSignRequest) {
        if (generateSignRequest == null) {
            throw new IllegalArgumentException("generateSign generateSignRequest is null");
        } else {
            Map<String, String> params = generateSignRequest.getParams();
            AssertUtils.checkArgument(params != null && !params.isEmpty(), "generateSign apiRequest is null,generateSignRequest:" + generateSignRequest);
            List<String> keys = new ArrayList();
            Iterator var3 = params.entrySet().iterator();

            while(var3.hasNext()) {
                Map.Entry<String, String> entry = (Map.Entry)var3.next();
                if (org.apache.commons.lang.StringUtils.isNotEmpty((String)entry.getValue())) {
                    keys.add(entry.getKey());
                }
            }

            Collections.sort(keys);
            StringBuilder sb = new StringBuilder();
            if (org.apache.commons.lang.StringUtils.isNotEmpty(generateSignRequest.getAppSecret())) {
                sb.append(generateSignRequest.getAppSecret());
            }

            Iterator var8 = keys.iterator();

            String sign;
            while(var8.hasNext()) {
                sign = (String)var8.next();
                sb.append(sign).append(((String)params.get(sign)).trim());
            }

            if (org.apache.commons.lang.StringUtils.isNotEmpty(generateSignRequest.getAppSecret())) {
                sb.append(generateSignRequest.getAppSecret());
            }

            String encryptionKey = sb.toString().trim();
            if (generateSignRequest.getSignMethod().equals(SignMethodEnum.MD5.getType())) {
                try {
                    sign =genMd5(encryptionKey);
                    return sign;
                } catch (Exception var6) {
                    throw new RuntimeException(var6.getMessage());
                }
            } else {
                return "";
            }
        }
    }


    public static String genMd5(String info) throws NoSuchAlgorithmException, UnsupportedEncodingException {
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        byte[] infoBytes = info.getBytes("UTF-8");
        md5.update(infoBytes);
        byte[] sign = md5.digest();
        return byteArrayToHex(sign);
    }

    public static String byteArrayToHex(byte[] bytes) {
        StringBuilder sign = new StringBuilder();

        for(int i = 0; i < bytes.length; ++i) {
            String hex = Integer.toHexString(bytes[i] & 255);
            if (hex.length() == 1) {
                sign.append("0");
            }

            sign.append(hex.toLowerCase());
        }

        return sign.toString();
    }