code: public static String decryptDES(String code, String key) throws InvalidKeyException, NoSuchAlgorithmException,
              NoSuchPaddingException, UnsupportedEncodingException, IllegalBlockSizeException, BadPaddingException {
          return cryptDES(code, Cipher.DECRYPT_MODE, key);
      }
docs: 为Cipher加密器提供一个解密开放接口
  
  @param code {@link String}
  @param key {@link String}
  
  @return {@link String}
  
  @throws BadPaddingException 异常
  @throws IllegalBlockSizeException 异常
  @throws UnsupportedEncodingException 异常
  @throws NoSuchPaddingException 异常
  @throws NoSuchAlgorithmException 异常
  @throws InvalidKeyException 异常