摘要: http://www.cnblogs.com/jaxu/p/5143707.html db.slice.aggregate([ { $group: { _id: { UserId: "$UserId", NodeKey: "$NodeKey" ,DocumentId:"$DocumentId",Sl 阅读全文
posted @ 2019-01-04 12:28 kelelipeng 阅读(1011) 评论(0) 推荐(0)