Java中String轉MD5
阿新 • • 發佈:2019-01-30
public static String StringToMd5(String psw) { { try { MessageDigest md5 = MessageDigest.getInstance("MD5"); md5.update(psw.getBytes("UTF-8")); byte[] encryption = md5.digest(); StringBuffer strBuf = new StringBuffer(); for (int i = 0; i < encryption.length; i++) { if (Integer.toHexString(0xff & encryption[i]).length() == 1) { strBuf.append("0").append(Integer.toHexString(0xff & encryption[i])); } else { strBuf.append(Integer.toHexString(0xff & encryption[i])); } } return strBuf.toString(); } catch (NoSuchAlgorithmException e) { return ""; } catch (UnsupportedEncodingException e) { return ""; } } }