我正在使用mongo和nodejs。我有数组列表:varcheckFields=["field1","field2","field3"];我尝试获取具有数组列表字段且用户字段等于admin的记录数。示例数据:[{"checkFields":{"field1":"00124b3a5c31","user":"admin"}},{"checkFields":{"field2":"00124b3a5c31","user":"admin"}},{"checkFields":{"field1":"00124b3a5c31","user":"regular"}}]查询:db.collection_n