How to upload images and file to a server in Flutter?

Question

I use a web service for image processing , it works well in Postman:

Now I want to make http request in flutter with Dart:

import \'pa         


        

Answer 1

I use Dio library with put method:

    var formData = FormData.fromMap({
      'simpleParam': 'example',
      'file': await MultipartFile.fromFile(filePath, filename: 'file.jpg')
    });

    var dio = Dio();
    dio.options.headers[HttpHeaders.authorizationHeader] = myToken;

    var response = new Response(); //Response from Dio
    response = await dio.put(myUrl + "/myApi", data: formData);

The result is in response.data