public static boolean containExpress(String fieldName, Object obj) {
		if (String.class.getSimpleName().equals(obj.getClass().getSimpleName())) {
			String tmp = (String) obj;
			if (tmp.indexOf(fieldName) == 0 && isContainAppendExp(tmp, fieldName)) {
				return true;
			}
		}
		return false;
	}