private static String getMd5(String str) { try { System.out.println("param--" + str); MessageDigest md = MessageDigest.getInstance("MD5"); md.update(str.getBytes()); byte[] b = md.digest(); int i; StringBuffer buf = new StringBuffer(); for (int offset = 0; offset < b.length; offset++) { i = b[offset]; if (i < 0) i += 256; if (i < 16) buf.append("0"); buf.append(Integer.toHexString(i)); } String md5Str = buf.toString().toUpperCase(); System.out.println("sign--" + md5Str); return md5Str; } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } return null; }
JAVA实现MD5加密
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转载自coffee-yan.iteye.com/blog/2357035
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