BasicDBObject criteria = new BasicDBObject();criteria.append("color", "black");criteria.append("shape", "round");criteria.append("weight", 100);DBCursor cur = widgets.find(criteria);
BasicDBObject criteria = new BasicDBObject();criteria.append("color", "black");criteria.append("shape", "round");criteria.append("weight", 100);DBCursor cur = widgets.find(criteria);名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
