发布时间：2016-08-29 22:25:40
> db.per.find({$and:[{age:{$gt:5}},{age:{$lt:10}}]})//age大于5且小于10{ "_id" : 6, "name" : "liu_6", "age" : 6 }{ "_id" : 7, "name" : "liu_7", "age" : 7 }{ "_id" : 8, "name" : "liu_8", "age" : 8 }{ "_id" : 9, "name" : "liu_9", "age" : 9 }> db.per.find({$nor:[{age:2}],$and:[{age:{$lt.........【阅读全文】
