Android MD5加密算法，androidmd5加密算法, import j

Android MD5加密算法，androidmd5加密算法, import j

    import java.security.MessageDigest;      import java.security.NoSuchAlgorithmException;      public class MD5 {          public static String getMD5(String content) {              try {                  MessageDigest digest = MessageDigest.getInstance("MD5");                  digest.update(content.getBytes());                  return getHashString(digest);              } catch (NoSuchAlgorithmException e) {                  e.printStackTrace();              }              return null;          }          private static String getHashString(MessageDigest digest) {              StringBuilder builder = new StringBuilder();              for (byte b : digest.digest()) {                  builder.append(Integer.toHexString((b >> 4) & 0xf));                  builder.append(Integer.toHexString(b & 0xf));              }              return builder.toString();          }      }