问使用ajax和django发送图像

EN

url(r'^images/', 'app.views.images', name='images'),

def images(request):
    if request.method == 'POST':
        print('hello')

$("#file").change(function (){
    try{
        var formdata = new FormData();
        var files = $('#file')[0].files;
        formdata.append('file',files);
        jQuery.ajax({
                    url: "images/",
                    type: "POST",
                    data: formdata,
                    processData: false,
                    contentType: false,
                    success: function (result) {
                         // if all is well
                         // play the audio file
                    }
                });
        }
    catch(err){
        alert(err.message);
        }
});