/** * 將字符串轉成MD5值 * * @param string * @return */ public static String stringToMD5(String string) { byte[] hash; try { hash = MessageDigest.getInstance("MD5").digest(string.getBytes("UTF-8")); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); return null; } catch (UnsupportedEncodingException e) { e.printStackTrace(); return null; } StringBuilder hex = new StringBuilder(hash.length * 2); for (byte b : hash) { if ((b & 0xFF) < 0x10) hex.append("0"); hex.append(Integer.toHexString(b & 0xFF)); } return hex.toString(); }
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