[C#/COMMON] POST 요청 이미지 구하기

▶ POST 요청 이미지 구하기 예제

using System.Collections.Specialized;
using System.Drawing;
using System.Text;
using System.Web;

NameValueCollection collection = HttpUtility.ParseQueryString(string.Empty);

collection["ImageFilePath"] = "test.jpg";

string   url         = "http://localhost:9999/test.action";
string   contentType = "application/x-www-form-urlencoded; charset=unicode";
Encoding encoding    = Encoding.Unicode;
string   argument    = collection.ToString();

Image image = GetPOSTRequestImage(url, contentType, encoding, argument);

 

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▶ POST 요청 이미지 구하기

using System.Drawing;
using System.IO;
using System.Net;
using System.Text;

#region POST 요청 이미지 구하기 - GetPOSTRequestImage(url, contentType, encoding, argument)

/// <summary>
/// POST 요청 이미지 구하기
/// </summary>
/// <param name="url">URL</param>
/// <param name="contentType">컨텐츠 타입</param>
/// <param name="encoding">인코딩</param>
/// <param name="argument">인자 문자열</param>
/// <returns>POST 요청 이미지</returns>
public Image GetPOSTRequestImage(string url, string contentType, Encoding encoding, string argument)
{
    using(Stream stream = GetPOSTRequestStream(url, contentType, encoding, argument))
    {
        Image image = Bitmap.FromStream(stream);

        return image;
    }
}

#endregion
#region POST 요청 스트림 구하기 - GetPOSTRequestStream(url, contentType, encoding, argument)

/// <summary>
/// POST 요청 스트림 구하기
/// </summary>
/// <param name="url">URL</param>
/// <param name="contentType">컨텐츠 타입</param>
/// <param name="encoding">인코딩</param>
/// <param name="argument">인자 문자열</param>
/// <returns>POST 요청 스트림</returns>
public Stream GetPOSTRequestStream(string url, string contentType, Encoding encoding, string argument)
{
    byte[] contentArray = encoding.GetBytes(argument);
            
    HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;

    request.ProtocolVersion           = HttpVersion.Version11;
    request.AllowAutoRedirect         = true;
    request.AllowWriteStreamBuffering = true;
    request.Method                    = WebRequestMethods.Http.Post;
    request.ContentType               = contentType;
    request.ContentLength             = contentArray.Length;

    using(Stream requestStream = request.GetRequestStream())
    {
        requestStream.Write(contentArray, 0, contentArray.Length);
    }

    HttpWebResponse response = request.GetResponse() as HttpWebResponse;

    Stream responseStream = response.GetResponseStream();

    return responseStream;
}

#endregion