-1
{
"_id" : ObjectId("5822d0c92f136292e5e4a0cc"),
"Age" : "five",
"details" : [
{
"Name" : "abc"
}
]
}
如何在现有数组中添加新值。如下所示;
欲望输出:在Mongodb中添加新元素到数组?
{
"_id" : ObjectId("5822d0c92f136292e5e4a0cc"),
"Age" : "five",
"details" : [
{
"Name" : "abc"
"Name" : "xyz"
}
]
}
有了这个代码,我得到这样的输出: -
db.c1.update({"_id" : ObjectId("5822d0c92f136292e5e4a0cc")},
{$push:{"details":{"Name":"xyz"}}})
输出: -
{
"_id" : ObjectId("5822d0c92f136292e5e4a0cc"),
"Age" : "five",
"details" : [
{
"Name" : "xyz"
},
{
"Name" : "abc"
}
]
}
请帮我out.Thanks在提前。
所需输出不作出任何意义。您不能拥有包含多个相似键的**对象**。请参考这个问题http://stackoverflow.com/questions/13987365/how-to-insert-an-element-to-mongodb-internal-list –