LetterUserMessageDAO extends BaseIbatisDAO { public int batchDeleteUserLetter(Map<String, Object> parameters) { return super.delete("ONLINE_LETTER_USER_MESSAGE.batchDeleteUserLetter", parameters); }  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 testBatchDeleteUserLetter() { Map<String,Object> parameters = new HashMap<String,Object>(); parameters.put("endTime", new Date()); letterUserMessageDAO.batchDeleteUserLetter(parameters); }