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我试图用db.users.remove({_ id:“4f6f244f6f35438788aa138f”}) 删除一个文档,但是这个命令不会删除任何内容。如何根据_id去除文件?
> // myobject is some document that is in our db.things collection
> db.things.remove({_id: myobject._id});
我无法弄清'什么是myobject?'在MongoDB文档中。
> db.users.find()
{ "_id" : ObjectId("4f6cd2cb7156522f4f45b26d"), "name" : "james", "age" : 23,
"hobbies" : [ "cycling", "painting" ] }
{ "_id" : ObjectId("4f6cd3017156522f4f45b26e"), "name" : "john", "age" : 30 }
{ "_id" : ObjectId("4f6f244f6f35438788aa138f"), "name" : "john" }
{ "_id" : ObjectId("4f6f24556f35438788aa1390"), "name" : "john" }
> db.users.remove({_id: "4f6f244f6f35438788aa138f"})
是的,它的工作。谢谢 – 2012-03-25 14:17:12
不客气 - 我浪费了一些时间:) – Blacksad 2012-03-25 14:18:05