AJAX file upload in laravel

Question

I\'ve been trying to get ajax file upload working in lavavel 4 since last two days and I\'m soo out of luck right now.

my jquery block

$(document).r         


        

Answer 1

The key are in your ajax request. In the controller you can do whatever you want.

var form = document.forms.namedItem("yourformname"); // high importance!, here you need change "yourformname" with the name of your form
var formdata = new FormData(form); // high importance!

$.ajax({
    async: true,
    type: "POST",
    dataType: "json", // or html if you want...
    contentType: false, // high importance!
    url: '{{ action('yourController@postMethod') }}', // you need change it.
    data: formdata, // high importance!
    processData: false, // high importance!
    success: function (data) {

        //do thing with data....

    },
    timeout: 10000
});

Answer 2

Actualy, you cannot send files over (basic) AJAX (XMLHttpRequest).

You eighter need to use some "iframe" uploader, or XMLHttpRequest2.
I would go for XHR2.
Here is copy-paste of portion of code I use with Laravel4, works like a charm

/**
 * Read selected files locally (HTML5 File API)
 */
var filesToUpload = null;

function handleFileSelect(event)
{
    var files = event.target.files || event.originalEvent.dataTransfer.files;
    // Itterate thru files (here I user Underscore.js function to do so).
    // Simply user 'for loop'.
    _.each(files, function(file) {
        filesToUpload.push(file);
    });
}

/**
 * Form submit
 */
function handleFormSubmit(event)
{
    event.preventDefault();

    var form = this,
        formData = new FormData(form);  // This will take all the data from current form and turn then into FormData

    // Prevent multiple submisions
    if ($(form).data('loading') === true) {
        return;
    }
    $(form).data('loading', true);

    // Add selected files to FormData which will be sent
    if (filesToUpload) {
        _.each(filesToUpload, function(file){
            formData.append('cover[]', file);
        });        
    }

    $.ajax({
        type: "POST",
        url: 'url/to/controller/action',
        data: formData,
        processData: false,
        contentType: false,
        success: function(response)
        {
            // handle response
        },
        complete: function()
        {
            // Allow form to be submited again
            $(form).data('loading', false);
        },
        dataType: 'json'
    });
}

/**
 * Register events
 */
$('#file-input').on('change', handleFileSelect);
$('form').on('submit', handleFormSubmit);

Answer 3

Try with FormData()

$(document).ready(function () {

    $('#basicModuleImage').change(function () {
        sendFile(new FormData($('form')[0]));
    });

    function sendFile(file) {
        alert(file.type);
        $.ajax({
            type: 'post',
            url: '/upload',
            data: file,
            success: function (data) {
                alert(data);
            },
            processData: false,
            contentType: false
        });
    }
});