■ POST 요청 데이터를 구하는 방법을 보여준다.
▶ 예제 코드 (C#)
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using System; using System.Collections.Generic; using System.IO; using System.Net; using System.Text; using System.Threading.Tasks; #region HTTP 요청하기 (비동기) - HTTPRequestAsync(url, postType, contentType, postData, headerDictionary, token, cookieContainer) /// <summary> /// HTTP 요청하기 (비동기) /// </summary> /// <param name="url">URL</param> /// <param name="postType">POST 타입</param> /// <param name="contentType">컨텐트 타입</param> /// <param name="postData">POST 데이터</param> /// <param name="headerDictionary">헤더 딕셔너리</param> /// <param name="token">토큰</param> /// <param name="cookieContainer">쿠키 컨테이너</param> /// <returns>HTTP 결과 태스크</returns> public async Task<HTTPResult> HTTPRequestAsync ( string url, string postType, string contentType, string postData, IDictionary<string, object> headerDictionary = null, string token = null, CookieContainer cookieContainer = null ) { HttpStatusCode responseCode = HttpStatusCode.OK; string responseData = null; await Task.Run ( () => { HttpWebResponse response = null; try { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(new Uri(url)); request.Method = (postType != null) ? postType : "POST"; request.CookieContainer = cookieContainer; request.Credentials = CredentialCache.DefaultCredentials; SetHeader(request, headerDictionary, token); if(postData != null) { byte[] byteArray = Encoding.UTF8.GetBytes(postData); request.ContentType = (contentType != null) ? contentType : "application/x-www-form-urlencoded"; request.ContentLength = byteArray.Length; Stream requestStream = request.GetRequestStream(); requestStream.Write(byteArray, 0, byteArray.Length); requestStream.Close(); } response = (HttpWebResponse)request.GetResponse(); } catch(WebException webException) { response = (HttpWebResponse)webException.Response; } catch(Exception exception) { Console.WriteLine($"Exception : {exception.ToString()}"); throw; } if(response != null) { responseCode = ((HttpWebResponse)response).StatusCode; Stream responseStream = response.GetResponseStream(); using(StreamReader reader = new StreamReader(responseStream)) { responseData = reader.ReadToEnd(); } } } ); return new HTTPResult(responseCode, responseData); } #endregion #region 헤더 설정하기 - SetHeader(request, headerDictionary, token) /// <summary> /// 헤더 설정하기 /// </summary> /// <param name="request">HTTP 웹 요청</param> /// <param name="headerDictionary">헤더 딕셔너리</param> /// <param name="token">토큰</param> private void SetHeader(HttpWebRequest request, IDictionary<string, object> headerDictionary, string token) { if(headerDictionary != null) { foreach(KeyValuePair<string, object> keyValuePair in headerDictionary) { string key = keyValuePair.Key; string value = keyValuePair.Value as string; if(key.Equals("Accept", StringComparison.Ordinal)) { request.Accept = value; } else if(key.Equals("KeepAlive", StringComparison.Ordinal)) { request.KeepAlive = bool.Parse(value); } else { request.Headers[key] = value; } } } if(token != null) { request.Headers["Authorization"] = token; } } #endregion /// <summary> /// HTTP 결과 /// </summary> public class HTTPResult { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 결과 코드 /// </summary> public HttpStatusCode StatusCode; /// <summary> /// 메시지 /// </summary> public string Message; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - HTTPResult(statusCode, message) /// <summary> /// 생성자 /// </summary> /// <param name="statusCode">상태 코드</param> /// <param name="message">메시지</param> public HTTPResult(HttpStatusCode statusCode, string message) { StatusCode = statusCode; Message = message; } #endregion } |