Ajax call to download file returned from RESTful service

Question

I am fairly new to AJAX. I am sending a request to server using AJAX. The service returns a text file. But no download box appears when data is returned. The rest service t

Answer 1

Advice is simple: you cannot download files via AJAX - it's a security policy. I mean you can download the data, but you can't save it to disk from JavaScript side.

If you want to download a file on click, then you can just add href to you a tag. Or open a new window with file's URL.

Answer 2

You can't do that directly from AJAX, but you can get around it by having an iframe that initiates the download. See Ajax File download Issue for a discussion.

Answer 3

A) you don't have a callback to receive data back
b) Add error callback to you code so you can see if there are receiving errors after the call:

    $.ajax({
    url: '/spaconsole/rest/examples/getcode',
    type: 'POST'
    success: function (data) {
        console.log('ok');
    },
    error: function (xhr) {
      console.log(xhr);
    }
    });

Edit: This is if you want to display the text in page. If you want to download the file, this is not the way, you cannot use ajax