LetterUserMessageDAO extends BaseIbatisDAO { public int updateUserLetter(Long id){ return super.update("ONLINE_LETTER_USER_MESSAGE.updateUserLetter", id); }  List<LetterUserMessage> batchInsertUserLetter(final List<LetterUserMessage> list); int updateUserLetter(Long id); int batchDeleteUserLetter(Map<String, Object> parameters); List<LetterUserMessage> queryMessage(Map<String, Object> parameters); Long countMessage(Map<String, Object> parameters);  }
@Test public void testUpdateUserLetter() { letterUserMessageDAO.updateUserLetter(6L); }