public <T> T findSimpleRefResult(String sql, List<Object> params,
			Class<T> cls) throws Exception {
		T resultObject = null;
		int index = 1;
		pstmt = connection.prepareStatement(sql);
		if (params != null && !params.isEmpty()) {
			for (int i = 0; i < params.size(); i++) {
				pstmt.setObject(index++, params.get(i));
			}
		}
		resultSet = pstmt.executeQuery();
		ResultSetMetaData metaData = resultSet.getMetaData();
		int cols_len = metaData.getColumnCount();
		while (resultSet.next()) {
			resultObject = cls.newInstance();
			for (int i = 0; i < cols_len; i++) {
				String cols_name = metaData.getColumnName(i + 1);
				Object cols_value = resultSet.getObject(cols_name);
				if (cols_value == null) {
					cols_value = "";
				}
				Field field = cls.getDeclaredField(cols_name);
				field.setAccessible(true);//
				field.set(resultObject, cols_value);
			}
		}
		return resultObject;
	}