from DBHelper.MongoHelperInstance import DB_TEST from Utils.CommonUtil import CommonUtils class FilterUtils(object): @staticmethod def make_new_cid(): new_cid = CommonUtils.random_code(8) case = DB_TEST.find_single_column( "模型数据", "筛选器数据", {"筛选器ID": new_cid}, "筛选器ID" ) is not None while case: new_cid = CommonUtils.random_code(8) return new_cid