44. WPF - API 연동

1.

1. Custom Vision - Home

 

2.

 

 

3.

private void MakePredictionAsync(string fileName)
{
    string url = "입력하세요";
    string prediction_key = "입력하세요";
    string content_type = "application/octet-stream";
}

 

 

4.

var file = File.ReadAllBytes(fileName);

 

 

2.

1.

private async void MakePredictionAsync(string fileName)
{
    string url = "입력하세요";
    string prediction_key = "입력하세요";
    string content_type = "application/octet-stream";

    var file = File.ReadAllBytes(fileName);

    using (HttpClient client = new HttpClient())
    {
        client.DefaultRequestHeaders.Add("prediction-key", prediction_key);

        using (var content = new ByteArrayContent(file))
        {
            content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue(content_type);

            var response = await client.PostAsync(url, content);
        }
    }
}

 

 

 

3.

44.3 LandmarkAI.zip

0.10MB

effel.jpg

0.11MB

 

1.

private async Task MakePredictionAsync(string fileName)
{
    string url = "입력하세요";
    string prediction_key = "입력하세요";
    string content_type = "application/octet-stream";

    var file = File.ReadAllBytes(fileName);

    using (HttpClient client = new HttpClient())
    {
        client.DefaultRequestHeaders.Add("prediction-key", prediction_key);

        using (var content = new ByteArrayContent(file))
        {
            content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue(content_type);
            HttpResponseMessage response = await client.PostAsync(url, content);

            var responseString = await response.Content.ReadAsStringAsync();

        }
    }
}

 

 

2.

var responseString = await response.Content.ReadAsStringAsync();

 

 

3.

using (HttpClient client = new HttpClient())
{
    //HTTP 요청 헤더에 "prediction-key" 사용자 정의 헤더 추가
    client.DefaultRequestHeaders.Add("Prediction-Key", prediction_key);

    using (ByteArrayContent content = new ByteArrayContent(file))
    {
        // content 헤더에 content 타입 지정
        content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue(content_type);

        // 요청 (HTTP POST 비동기)
        // url: 요청 보낼 서버 주소 (API 엔드포인트), content: HTTP 요청 내용(+이미지)
        HttpResponseMessage response = await client.PostAsync(url, content);

        // 응답 (문자열(String) 형태로 읽음)
        var responseString = await response.Content.ReadAsStringAsync();
    }
}