【MongoDB学习笔记12】深入MongoDB的更新（update）操作:数组修改
> db.post.update({"id":1},{$push:{"comments":{$each:["test4","test5","test6"]}}})WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 1 })
> db.post.findOne({"id":1})
{
"_id" : ObjectId("54a530c3ff0df3732bac1680"),
"id" : 1,
"name" : "joe",
"age" : 21,
"comments" : [
"test1",
"test2",
"test3",
"test4",
"test5",
"test6"
]
}
>
页:
[1]