1 public class MD5 {
2
3 public static String getMD5(String content) {
4 try {
5 MessageDigest digest = MessageDigest.getInstance("MD5");
6 digest.update(content.getBytes());
7 return getHashString(digest);
8
9 } catch (NoSuchAlgorithmException e) {
10 e.printStackTrace();
11 }
12 return null;
13 }
14
15 private static String getHashString(MessageDigest digest) {
16 StringBuilder builder = new StringBuilder();
17 for (byte b : digest.digest()) {
18 builder.append(Integer.toHexString((b >> 4) & 0xf));
19 builder.append(Integer.toHexString(b & 0xf));
20 }
21 return builder.toString();
22 }
23 }
