com.alipay.api.AlipayConstants Java Examples

/**
 *  获取签名
 *  
 * @param body
 * @return
 */
private String getSign(String body) {

    String signNodeName = "<" + AlipayConstants.SIGN + ">";
    String signEndNodeName = "</" + AlipayConstants.SIGN + ">";

    int indexOfSignNode = body.indexOf(signNodeName);
    int indexOfSignEndNode = body.indexOf(signEndNodeName);

    if (indexOfSignNode < 0 || indexOfSignEndNode < 0) {
        return null;
    }

    //  签名
    return body.substring(indexOfSignNode + signNodeName.length(), indexOfSignEndNode);
}
 

/**
 * 业务/系统错误日志
 */
public static void logBizDebug(String rsp) {
    if (!needEnableLogger) {
        return;
    }
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    df.setTimeZone(TimeZone.getTimeZone(AlipayConstants.DATE_TIMEZONE));
    StringBuilder sb = new StringBuilder();
    sb.append(df.format(new Date()));
    sb.append("^_^");
    sb.append(rsp);

    if (blog.isDebugEnabled()) {
        blog.debug(sb.toString());
    }
}
 

protected String doSign(String content, String charset, String privateKey) throws Exception {
    PrivateKey priKey = getPrivateKeyFromPKCS8(AlipayConstants.SIGN_TYPE_RSA,
            new ByteArrayInputStream(privateKey.getBytes()));

    Signature signature = Signature.getInstance(getSignAlgorithm());

    signature.initSign(priKey);

    if (StringUtils.isEmpty(charset)) {
        signature.update(content.getBytes());
    } else {
        signature.update(content.getBytes(charset));
    }

    byte[] signed = signature.sign();

    return new String(Base64.encodeBase64(signed));
}
 

/**
 * 业务/系统错误日志
 */
public static void logBizError(String rsp, Map<String, Long> costTimeMap) {
    if (!needEnableLogger) {
        return;
    }
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    df.setTimeZone(TimeZone.getTimeZone(AlipayConstants.DATE_TIMEZONE));
    StringBuilder sb = new StringBuilder();
    sb.append(df.format(new Date()));
    sb.append("^_^");
    sb.append(rsp);
    sb.append("^_^");
    sb.append(costTimeMap.get("prepareCostTime"));
    sb.append("ms,");
    sb.append(costTimeMap.get("requestCostTime"));
    sb.append("ms,");
    sb.append(costTimeMap.get("postCostTime"));
    sb.append("ms");
    blog.error(sb.toString());
}
 

public static boolean rsaCheckContent(String content, String sign, String publicKey,
                                      String charset) throws AlipayApiException {
    try {
        PublicKey pubKey = getPublicKeyFromX509("RSA",
            new ByteArrayInputStream(publicKey.getBytes()));

        java.security.Signature signature = java.security.Signature
            .getInstance(AlipayConstants.SIGN_ALGORITHMS);

        signature.initVerify(pubKey);

        if (StringUtils.isEmpty(charset)) {
            signature.update(content.getBytes());
        } else {
            signature.update(content.getBytes(charset));
        }

        return signature.verify(Base64.decodeBase64(sign.getBytes()));
    } catch (Exception e) {
        throw new AlipayApiException(
            "RSAcontent = " + content + ",sign=" + sign + ",charset = " + charset, e);
    }
}
 

@Override
public String toString() {
    JsonObject json = new JsonObject();
    json.put("out_trade_no", this.outTradeNo);
    json.put("total_amount", CommonUtils.getStringFromIntFen(Integer.parseInt(this.totalAmount)));
    json.put("subject", this.subject);
    json.put("product_code", "QUICK_WAP_PAY");

    if (null != this.passbackParams) {
        try {
            json.put("passback_params", URLEncoder.encode(this.passbackParams, AlipayConstants.CHARSET_UTF8));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }

    return json.toString();
}
 

/**
 * 该方法实现了支付宝手机网页的支付功能;
 * 方法将调用支付宝支付页面需要用到的数据拼接和设置好，然后，写到响应中，前台会自动弹出支付宝支付页面；
 * 其中，支付金额要求大于0.01，并且小于100000000，需要调用者自己检查该值再传进来，否则页面会报获取不到订单信息错误；
 *
 * @param aliAccountInfo 保存了支付宝账户的信息，包括appId、用户私钥、支付宝公钥和回调地址等，具体参考AliAccountInfo类的属性说明
 * @param payBizContent 保存了订单信息，包括本地订单号、金额等，具体参考BizContent类的属性说明
 * Create by quandong
 */
public static void wapPay(AliAccountInfo aliAccountInfo, PayBizContent payBizContent, HttpServerResponse httpResponse) throws IOException {
    AlipayClient alipayClient = AliPayCliFactory.getAlipayClient(aliAccountInfo); // 从客户端工厂中获取AlipayClient
    AlipayTradeWapPayRequest alipayRequest = new AlipayTradeWapPayRequest(); // 创建API对应的request
    String form = "";

    alipayRequest.setReturnUrl(aliAccountInfo.getReturnUrl()); // 设置回跳地址
    alipayRequest.setNotifyUrl(aliAccountInfo.getNotifyUrl()); // 设置通知地址
    alipayRequest.setBizContent(payBizContent.toString()); // 填充业务参数

    try {
        form = alipayClient.pageExecute(alipayRequest).getBody(); // 调用SDK生成表单
    } catch (AlipayApiException e) {
        e.printStackTrace();
    }

    httpResponse.putHeader("Content-Type", "text/html;charset=" + AlipayConstants.CHARSET_UTF8); // 设置文本类型及编码
    httpResponse.end(form); // 直接将完整的表单html输出到页面
}
 

public static boolean rsa256CheckContent(String content, String sign, String publicKey,
                                         String charset) throws AlipayApiException {
    try {
        PublicKey pubKey = getPublicKeyFromX509("RSA",
            new ByteArrayInputStream(publicKey.getBytes()));

        java.security.Signature signature = java.security.Signature
            .getInstance(AlipayConstants.SIGN_SHA256RSA_ALGORITHMS);

        signature.initVerify(pubKey);

        if (StringUtils.isEmpty(charset)) {
            signature.update(content.getBytes());
        } else {
            signature.update(content.getBytes(charset));
        }

        return signature.verify(Base64.decodeBase64(sign.getBytes()));
    } catch (Exception e) {
        throw new AlipayApiException(
            "RSAcontent = " + content + ",sign=" + sign + ",charset = " + charset, e);
    }
}
 

/**
 * 
 * @param request
 * @param body
 * @return
 */
private String getSignSourceData(AlipayRequest<?> request, String body) {

    // 加签源串起点
    String rootNode = request.getApiMethodName().replace('.', '_')
                      + AlipayConstants.RESPONSE_SUFFIX;
    String errorRootNode = AlipayConstants.ERROR_RESPONSE;

    int indexOfRootNode = body.indexOf(rootNode);
    int indexOfErrorRoot = body.indexOf(errorRootNode);

    // 成功或者新版接口
    if (indexOfRootNode > 0) {

        return parseSignSourceData(body, rootNode, indexOfRootNode);

        // 老版本失败接口
    } else if (indexOfErrorRoot > 0) {

        return parseSignSourceData(body, errorRootNode, indexOfErrorRoot);
    } else {
        return null;
    }
}
 

/**
 *  获取JSON响应加签内容串
 * 
 * @param request
 * @param body
 * @return
 */
private ResponseParseItem getJSONSignSourceData(AlipayRequest<?> request, String body) {

    String rootNode = request.getApiMethodName().replace('.', '_')
                      + AlipayConstants.RESPONSE_SUFFIX;
    String errorRootNode = AlipayConstants.ERROR_RESPONSE;

    int indexOfRootNode = body.indexOf(rootNode);
    int indexOfErrorRoot = body.indexOf(errorRootNode);

    if (indexOfRootNode > 0) {

        return parseJSONSignSourceData(body, rootNode, indexOfRootNode);

    } else if (indexOfErrorRoot > 0) {

        return parseJSONSignSourceData(body, errorRootNode, indexOfErrorRoot);
    } else {
        return null;
    }
}
 

public static String rsaSign(String content, String privateKey,
                             String charset) throws AlipayApiException {
    try {
        PrivateKey priKey = getPrivateKeyFromPKCS8(AlipayConstants.SIGN_TYPE_RSA,
            new ByteArrayInputStream(privateKey.getBytes()));

        java.security.Signature signature = java.security.Signature
            .getInstance(AlipayConstants.SIGN_ALGORITHMS);

        signature.initSign(priKey);

        if (StringUtils.isEmpty(charset)) {
            signature.update(content.getBytes());
        } else {
            signature.update(content.getBytes(charset));
        }

        byte[] signed = signature.sign();

        return new String(Base64.encodeBase64(signed));
    } catch (InvalidKeySpecException ie) {
        throw new AlipayApiException("RSA私钥格式不正确，请检查是否正确配置了PKCS8格式的私钥", ie);
    } catch (Exception e) {
        throw new AlipayApiException("RSAcontent = " + content + "; charset = " + charset, e);
    }
}
 

/**
 * 
 * @param request
 * @param body
 * @return
 */
private String getSignSourceData(AlipayRequest<?> request, String body) {

    // XML不同的节点
    String rootNode = request.getApiMethodName().replace('.', '_')
                      + AlipayConstants.RESPONSE_SUFFIX;
    String errorRootNode = AlipayConstants.ERROR_RESPONSE;

    int indexOfRootNode = body.indexOf(rootNode);
    int indexOfErrorRoot = body.indexOf(errorRootNode);

    // 成功或者新版接口
    if (indexOfRootNode > 0) {

        return parseSignSourceData(body, rootNode, indexOfRootNode);
        // 老版本接口
    } else if (indexOfErrorRoot > 0) {

        return parseSignSourceData(body, errorRootNode, indexOfErrorRoot);
    } else {
        return null;
    }
}
 

/**
 *  获取签名
 *  
 * @param body
 * @return
 */
private String getSign(String body) {

    String signNodeName = "<" + AlipayConstants.SIGN + ">";
    String signEndNodeName = "</" + AlipayConstants.SIGN + ">";

    int indexOfSignNode = body.indexOf(signNodeName);
    int indexOfSignEndNode = body.indexOf(signEndNodeName);

    if (indexOfSignNode < 0 || indexOfSignEndNode < 0) {
        return null;
    }

    //  签名
    return body.substring(indexOfSignNode + signNodeName.length(), indexOfSignEndNode);
}
 

/**
 * 
 * @param request
 * @param body
 * @return
 */
private ResponseParseItem getXMLSignSourceData(AlipayRequest<?> request, String body) {

    // XML涓�������������
    String rootNode = request.getApiMethodName().replace('.', '_')
                      + AlipayConstants.RESPONSE_SUFFIX;
    String errorRootNode = AlipayConstants.ERROR_RESPONSE;

    int indexOfRootNode = body.indexOf(rootNode);
    int indexOfErrorRoot = body.indexOf(errorRootNode);

    if (indexOfRootNode > 0) {

        return parseXMLSignSourceData(body, rootNode, indexOfRootNode);

    } else if (indexOfErrorRoot > 0) {

        return parseXMLSignSourceData(body, errorRootNode, indexOfErrorRoot);
    } else {
        return null;
    }
}
 

/**
 *   获取签名源串内容
 *    
 * 
 * @param body
 * @param rootNode
 * @param indexOfRootNode
 * @return
 */
private String parseSignSourceData(String body, String rootNode, int indexOfRootNode) {

    //  第一个字母+长度+引号和分号
    int signDataStartIndex = indexOfRootNode + rootNode.length() + 2;
    int indexOfSign = body.indexOf("\"" + AlipayConstants.SIGN + "\"");

    if (indexOfSign < 0) {

        return null;
    }

    // 签名前-逗号
    int signDataEndIndex = indexOfSign - 1;

    return body.substring(signDataStartIndex, signDataEndIndex);
}
 

/**
 * 
 * @param request
 * @param body
 * @return
 */
private String getSignSourceData(AlipayRequest<?> request, String body) {

    // XML不同的节点
    String rootNode = request.getApiMethodName().replace('.', '_')
                      + AlipayConstants.RESPONSE_SUFFIX;
    String errorRootNode = AlipayConstants.ERROR_RESPONSE;

    int indexOfRootNode = body.indexOf(rootNode);
    int indexOfErrorRoot = body.indexOf(errorRootNode);

    // 成功或者新版接口
    if (indexOfRootNode > 0) {

        return parseSignSourceData(body, rootNode, indexOfRootNode);
        // 老版本接口
    } else if (indexOfErrorRoot > 0) {

        return parseSignSourceData(body, errorRootNode, indexOfErrorRoot);
    } else {
        return null;
    }
}
 

/**
 *   签名源串
 *   
 * @param body
 * @param rootNode
 * @param indexOfRootNode
 * @return
 */
private String parseSignSourceData(String body, String rootNode, int indexOfRootNode) {

    //  第一个字母+长度+>
    int signDataStartIndex = indexOfRootNode + rootNode.length() + 1;
    int indexOfSign = body.indexOf("<" + AlipayConstants.SIGN);

    if (indexOfSign < 0) {

        return null;
    }

    // 签名前减去
    int signDataEndIndex = indexOfSign;

    return body.substring(signDataStartIndex, signDataEndIndex);
}
 

/**
 *  获取JSON响应加签内容串
 * 
 * @param request
 * @param body
 * @return
 */
private ResponseParseItem getJSONSignSourceData(AlipayRequest<?> request, String body) {

    String rootNode = request.getApiMethodName().replace('.', '_')
                      + AlipayConstants.RESPONSE_SUFFIX;
    String errorRootNode = AlipayConstants.ERROR_RESPONSE;

    int indexOfRootNode = body.indexOf(rootNode);
    int indexOfErrorRoot = body.indexOf(errorRootNode);

    if (indexOfRootNode > 0) {

        return parseJSONSignSourceData(body, rootNode, indexOfRootNode);

    } else if (indexOfErrorRoot > 0) {

        return parseJSONSignSourceData(body, errorRootNode, indexOfErrorRoot);
    } else {
        return null;
    }
}
 

/**
 *   获取签名源串内容
 *    
 * 
 * @param body
 * @param rootNode
 * @param indexOfRootNode
 * @return
 */
private String parseSignSourceData(String body, String rootNode, int indexOfRootNode) {

    //  第一个字母+长度+引号和分号
    int signDataStartIndex = indexOfRootNode + rootNode.length() + 2;
    int indexOfSign = body.indexOf("\"" + AlipayConstants.SIGN + "\"");

    if (indexOfSign < 0) {

        return null;
    }

    // 签名前-逗号
    int signDataEndIndex = indexOfSign - 1;

    return body.substring(signDataStartIndex, signDataEndIndex);
}
 

/**
 * 
 * @param request
 * @param body
 * @return
 */
private String getSignSourceData(AlipayRequest<?> request, String body) {

    // 加签源串起点
    String rootNode = request.getApiMethodName().replace('.', '_')
                      + AlipayConstants.RESPONSE_SUFFIX;
    String errorRootNode = AlipayConstants.ERROR_RESPONSE;

    int indexOfRootNode = body.indexOf(rootNode);
    int indexOfErrorRoot = body.indexOf(errorRootNode);

    // 成功或者新版接口
    if (indexOfRootNode > 0) {

        return parseSignSourceData(body, rootNode, indexOfRootNode);

        // 老版本失败接口
    } else if (indexOfErrorRoot > 0) {

        return parseSignSourceData(body, errorRootNode, indexOfErrorRoot);
    } else {
        return null;
    }
}
 

/**
 * 业务/系统错误日志
 */
public static void logBizDebug(String rsp) {
    if (!needEnableLogger) {
        return;
    }
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    df.setTimeZone(TimeZone.getTimeZone(AlipayConstants.DATE_TIMEZONE));
    StringBuilder sb = new StringBuilder();
    sb.append(df.format(new Date()));
    sb.append("^_^");
    sb.append(rsp);

    if (blog.isDebugEnabled()) {
        blog.debug(sb.toString());
    }
}
 

public static boolean rsaCheckContent(String content, String sign, String publicKey,
                                      String charset) throws AlipayApiException {
    try {
        PublicKey pubKey = getPublicKeyFromX509("RSA",
            new ByteArrayInputStream(publicKey.getBytes()));

        java.security.Signature signature = java.security.Signature
            .getInstance(AlipayConstants.SIGN_ALGORITHMS);

        signature.initVerify(pubKey);

        if (StringUtils.isEmpty(charset)) {
            signature.update(content.getBytes());
        } else {
            signature.update(content.getBytes(charset));
        }

        return signature.verify(Base64.decodeBase64(sign.getBytes()));
    } catch (Exception e) {
        throw new AlipayApiException(
            "RSAcontent = " + content + ",sign=" + sign + ",charset = " + charset, e);
    }
}
 

public static boolean rsa256CheckContent(String content, String sign, String publicKey,
                                         String charset) throws AlipayApiException {
    try {
        PublicKey pubKey = getPublicKeyFromX509("RSA",
            new ByteArrayInputStream(publicKey.getBytes()));

        java.security.Signature signature = java.security.Signature
            .getInstance(AlipayConstants.SIGN_SHA256RSA_ALGORITHMS);

        signature.initVerify(pubKey);

        if (StringUtils.isEmpty(charset)) {
            signature.update(content.getBytes());
        } else {
            signature.update(content.getBytes(charset));
        }

        return signature.verify(Base64.decodeBase64(sign.getBytes()));
    } catch (Exception e) {
        throw new AlipayApiException(
            "RSAcontent = " + content + ",sign=" + sign + ",charset = " + charset, e);
    }
}
 

/**
 * 
 * @param request
 * @param body
 * @return
 */
private ResponseParseItem getXMLSignSourceData(AlipayRequest<?> request, String body) {

    // XML涓�������������
    String rootNode = request.getApiMethodName().replace('.', '_')
                      + AlipayConstants.RESPONSE_SUFFIX;
    String errorRootNode = AlipayConstants.ERROR_RESPONSE;

    int indexOfRootNode = body.indexOf(rootNode);
    int indexOfErrorRoot = body.indexOf(errorRootNode);

    if (indexOfRootNode > 0) {

        return parseXMLSignSourceData(body, rootNode, indexOfRootNode);

    } else if (indexOfErrorRoot > 0) {

        return parseXMLSignSourceData(body, errorRootNode, indexOfErrorRoot);
    } else {
        return null;
    }
}
 

public static String rsa256Sign(String content, String privateKey,
                                String charset) throws AlipayApiException {

    try {
        PrivateKey priKey = getPrivateKeyFromPKCS8(AlipayConstants.SIGN_TYPE_RSA,
            new ByteArrayInputStream(privateKey.getBytes()));

        java.security.Signature signature = java.security.Signature
            .getInstance(AlipayConstants.SIGN_SHA256RSA_ALGORITHMS);

        signature.initSign(priKey);

        if (StringUtils.isEmpty(charset)) {
            signature.update(content.getBytes());
        } else {
            signature.update(content.getBytes(charset));
        }

        byte[] signed = signature.sign();

        return new String(Base64.encodeBase64(signed));
    } catch (Exception e) {
        throw new AlipayApiException("RSAcontent = " + content + "; charset = " + charset, e);
    }

}
 

/**
 *   签名源串
 *   
 * @param body
 * @param rootNode
 * @param indexOfRootNode
 * @return
 */
private String parseSignSourceData(String body, String rootNode, int indexOfRootNode) {

    //  第一个字母+长度+>
    int signDataStartIndex = indexOfRootNode + rootNode.length() + 1;
    int indexOfSign = body.indexOf("<" + AlipayConstants.SIGN);

    if (indexOfSign < 0) {

        return null;
    }

    // 签名前减去
    int signDataEndIndex = indexOfSign;

    return body.substring(signDataStartIndex, signDataEndIndex);
}
 

/**
 * 业务/系统错误日志
 */
public static void logBizError(String rsp) {
    if (!needEnableLogger) {
        return;
    }
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    df.setTimeZone(TimeZone.getTimeZone(AlipayConstants.DATE_TIMEZONE));
    StringBuilder sb = new StringBuilder();
    sb.append(df.format(new Date()));
    sb.append("^_^");
    sb.append(rsp);
    blog.error(sb.toString());
}
 

/**
 * 发生特别错误时记录完整错误现场
 */
public static void logErrorScene(Map<String, Object> rt, AlipayResponse tRsp,
                                 String appSecret) {
    if (!needEnableLogger) {
        return;
    }
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    df.setTimeZone(TimeZone.getTimeZone(AlipayConstants.DATE_TIMEZONE));
    StringBuilder sb = new StringBuilder();
    sb.append("ErrorScene");
    sb.append("^_^");
    sb.append(tRsp.getErrorCode());
    sb.append("^_^");
    sb.append(tRsp.getSubCode());
    sb.append("^_^");
    sb.append(ip);
    sb.append("^_^");
    sb.append(osName);
    sb.append("^_^");
    sb.append(df.format(new Date()));
    sb.append("^_^");
    sb.append("ProtocalMustParams:");
    appendLog((AlipayHashMap) rt.get("protocalMustParams"), sb);
    sb.append("^_^");
    sb.append("ProtocalOptParams:");
    appendLog((AlipayHashMap) rt.get("protocalOptParams"), sb);
    sb.append("^_^");
    sb.append("ApplicationParams:");
    appendLog((AlipayHashMap) rt.get("textParams"), sb);
    sb.append("^_^");
    sb.append("Body:");
    sb.append((String) rt.get("rsp"));
    blog.error(sb.toString());
}
 

/**
 * 通讯错误日志
 */
private static void _logCommError(Exception e, HttpURLConnection conn, String url,
                                  String appKey, String method, Map<String, String> params) {
    DateFormat df = new SimpleDateFormat(AlipayConstants.DATE_TIME_FORMAT);
    df.setTimeZone(TimeZone.getTimeZone(AlipayConstants.DATE_TIMEZONE));
    String sdkName = AlipayConstants.SDK_VERSION;
    String urlStr = null;
    String rspCode = "";
    if (conn != null) {
        try {
            urlStr = conn.getURL().toString();
            rspCode = "HTTP_ERROR_" + conn.getResponseCode();
        } catch (IOException ioe) {
        }
    } else {
        urlStr = url;
        rspCode = "";
    }
    StringBuilder sb = new StringBuilder();
    sb.append(df.format(new Date()));// 时间
    sb.append("^_^");
    sb.append(method);// API
    sb.append("^_^");
    sb.append(appKey);// APP
    sb.append("^_^");
    sb.append(getIp());// IP地址
    sb.append("^_^");
    sb.append(osName);// 操作系统
    sb.append("^_^");
    sb.append(sdkName);// SDK名字,这是例子，请换成其他名字
    sb.append("^_^");
    sb.append(urlStr);// 请求URL
    sb.append("^_^");
    sb.append(rspCode);
    sb.append("^_^");
    sb.append((e.getMessage() + "").replaceAll("\r\n", " "));
    clog.error(sb.toString());
}
 

/**
 * 公钥加密
 * 
 * @param content   待加密内容
 * @param publicKey 公钥
 * @param charset   字符集，如UTF-8, GBK, GB2312
 * @return 密文内容
 * @throws AlipayApiException
 */
public static String rsaEncrypt(String content, String publicKey,
                                String charset) throws AlipayApiException {
    try {
        PublicKey pubKey = getPublicKeyFromX509(AlipayConstants.SIGN_TYPE_RSA,
            new ByteArrayInputStream(publicKey.getBytes()));
        Cipher cipher = Cipher.getInstance(AlipayConstants.SIGN_TYPE_RSA);
        cipher.init(Cipher.ENCRYPT_MODE, pubKey);
        byte[] data = StringUtils.isEmpty(charset) ? content.getBytes()
            : content.getBytes(charset);
        int inputLen = data.length;
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        int offSet = 0;
        byte[] cache;
        int i = 0;
        // 对数据分段加密  
        while (inputLen - offSet > 0) {
            if (inputLen - offSet > MAX_ENCRYPT_BLOCK) {
                cache = cipher.doFinal(data, offSet, MAX_ENCRYPT_BLOCK);
            } else {
                cache = cipher.doFinal(data, offSet, inputLen - offSet);
            }
            out.write(cache, 0, cache.length);
            i++;
            offSet = i * MAX_ENCRYPT_BLOCK;
        }
        byte[] encryptedData = Base64.encodeBase64(out.toByteArray());
        out.close();

        return StringUtils.isEmpty(charset) ? new String(encryptedData)
            : new String(encryptedData, charset);
    } catch (Exception e) {
        throw new AlipayApiException("EncryptContent = " + content + ",charset = " + charset,
            e);
    }
}