MongoDB _id作为字符串（MEAN堆栈）

Question

TL;DR - I am trying to use a collected value from a form input as a document _id but am getting a 404.

I've got a modal that opens and collects form data. My first input in the form is:

<input type="text" id="name" name="name" data-ng-model="name" />

When I try to modify the Mongo (Mongoose) model, to use name as the _id , the form wont post. I get a 404 from http://sitegoeshere/#!/somethings/whatever_i_type_in_for_name

Example model:

var SomethingSchema = new Schema({
   _id: {
       type: String,
       default: 'default',
       trim: true
   }
}

mongoose.model('Something', SomethingSchema);

And in my Angular controller:

$scope.create = function() {

    // Create new Something object
    var something = new Somethings ({
        _id: this.name
    });

    // Redirect after save
    something.$save(function(response) {
        $location.path('somethings/' + response._id);
    }, function(errorResponse) {
        $scope.error = errorResponse.data.message;
    });
};

I've been told that MongoDB allows Strings as the _id type so what gives? Any ideas?

UPDATE: Here's something strange, too. I wanted to see if maybe this was a limitation or bug of Mongoose so I got into the database and created two documents:

> db.subnets.find().pretty()
{ "_id" : ObjectId("546bef63395b0694d51b5cbe"), "description" : "description!" }
{ "_id" : "mystring", "description" : "more description!" }

When I go to my app and try to pull their individual views up, I can see the data for my custom _id document but get a 500 Internal Server Error when I try to access the other.

GET http://localhost:3000/somethings/546bef63395b0694d51b5cbe 500 (Internal Server Error)
GET http://localhost:3000/somethings/mystring 200 OK

Answer 1

问题很可能与this.name -看起来像是未定义的。