微信刷卡支付_windows server上中文导致签名失败的解决办法

/**
* MD5编码
* @param origin 原始字符串
* @return 经过MD5加密之后的结果
*/
public static String MD5Encode(String origin) {
String resultString = null;
try {
resultString = origin;
MessageDigest md = MessageDigest.getInstance("MD5");
//resultString = byteArrayToHexString(md.digest(resultString.getBytes()));
resultString = byteArrayToHexString(md.digest(resultString.getBytes("utf-8")));
} catch (Exception e) {
e.printStackTrace();
}
return resultString;
}

public static InputStream getStringStream(String sInputString) {
ByteArrayInputStream tInputStringStream = null;
if (sInputString != null && !sInputString.trim().equals("")) {
try {
tInputStringStream = new ByteArrayInputStream(sInputString.getBytes("utf-8"));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
return tInputStringStream;
}