Creating Folder using REST and JavaScript

Question

I'm trying to create a Folder in a SharePoint Image library. I found an answer here but I can't seem to get it to work

var web = 'my relative path to the current web';
var lib = 'name of the image library';
var foldername = 'jasonscript';

var postData = JSON.stringify({ 
    '__metadata'        : { 'type': 'SP.Folder' }, 
    'ServerRelativeUrl' : lib + '/' + foldername 
});

var pCreate = jQuery.ajax({
    'url'        : web + '/_api/Web/Folders',
    'type'       : 'POST',
    'data'       : postData,
    'headers'    : { 
                    'accept'          : 'application/json; odata=verbose', 
                    'content-type'    : 'application/json; odata=verbose',
                    'X-RequestDigest' : $('#__REQUESTDIGEST').val()
                   }
}); 

jQuery.when(pCreate).always(function (data){
    console.log(data);
});

This returns the following error:

{
    "error":{
        "code":"-2130247139, Microsoft.SharePoint.SPException",
        "message":{
            "lang":"en-US",
            "value":"(null) \"██████/██████/██████\" not found."
        }
    }
}

where the redacted values are the web, lib and foldername values.

I know the folder doesn't exist. I'm trying to create it!

Update

I'm trying to run this code in a Content Editor Web Part (i.e. Not an app)

Any ideas?

Answer 1

What about using the Add method:

If for example using SiteCollectionDocuments in a Site Collection

'url' : _spPageContextInfo.siteAbsoluteUrl + "/_api/Web/Folders/add('SiteCollectionDocuments/newfolder')"

This shouldn't require the data payload 'postData'.

See more here: http://msdn.microsoft.com/en-us/library/office/dn450841(v=office.15).aspx#bk_FolderCollectionAdd

---

Complete code used:

var pCreate = jQuery.ajax({
"url"        : _spPageContextInfo.siteAbsoluteUrl + "/_api/Web/Folders/add('SiteCollectionDocuments/newfolder')",
"type"       : "POST",
"headers"    : { 
                "accept"          : "application/json; odata=verbose", 
                "content-type"    : "application/json; odata=verbose",
                "X-RequestDigest" : $("#__REQUESTDIGEST").val()
               }
}); 

jQuery.when(pCreate).always(function (data){
   console.log(data);
});

Answer 2

Make sure the correct ServerRelativeUrl has been provided, the following formats could be specified:

• Server-relative URL: /<web url>/<list url>/<folder url>

• Site-relative URL: <list url>/<folder url>

For example, to create a folder named Orders in a Documents library in a sub site Projects, you could specify:

'ServerRelativeUrl' : 'Shared Documents/Orders'

or

'ServerRelativeUrl' : '/project/Shared Documents/Orders'