File Upload with Angular2 to REST API

Question

Actually, I\'m working on a Spring REST API with an interface coded in Angular 2.

My problem is I can\'t upload a file with Angular 2.

My Webresources in jav

Answer 1

this.uploader.onBeforeUploadItem = function(item) {
  item.url = URL.replace('?', "?param1=value1");
}