mongodb 内嵌文档查询 - CNode技术社区

{ “shellList”: [ { “bookId”: “168”, “readPagePercent”: “0”, “createTime”: “2014-01-21 16:17:33”, “readType”: “1” }, { “bookId”: “168”, “readPagePercent”: “2”, “createTime”: “2014-02-21 16:17:33”, “readType”: “2” } , { “bookId”: “169”, “readPagePercent”: “2”, “createTime”: “2014-02-21 16:17:33”, “readType”: “2” } , { “bookId”: “170”, “readPagePercent”: “2”, “createTime”: “2014-02-21 16:17:33”, “readType”: “2” } ], “userId”: “100002” } 我怎查出 bookid为168的文档呢求指导

babata 1楼•10 年前作者

db.collection.find({},{‘shellList’:{$elemMatch:{‘bookId’:‘168’}}})只能查出一条但是我希望符合条件的都查出来，好诡异的查询。 mongodb 有个$slice ，可以把数组劈开，既然这样可以，那应该有条件查询相关的解决方法