■ HttpClient 클래스에서 프록시를 사용하는 방법을 보여준다.
▶ HttpClient 클래스 : 프록시 사용하기 예제 (C#)
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string content = await GetStringAsync("http://192.168.72.10:8888", "http://www.daum.net"); |
▶ HttpClient 클래스 : 프록시 사용하기 (C#)
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using System; using System.Net; using System.Net.Http; using System.Net.Http.Headers; using System.Threading.Tasks; #region 문자열 구하기 (비동기) - GetStringAsync(proxyURL, url) /// <summary> /// 문자열 구하기 (비동기) /// </summary> /// <param name="proxyURL">프록시 URL</param> /// <param name="url">URL</param> /// <returns>문자열</returns> public async Task<string> GetStringAsync(string proxyURL, string url) { string content = string.Empty; try { ServicePointManager.Expect100Continue = false; ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12; WebProxy proxy = new WebProxy { Address = new Uri(proxyURL) }; HttpClientHandler clientHandler = new HttpClientHandler() { AllowAutoRedirect = true, AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip, Proxy = proxy, }; using(HttpClient client = new HttpClient(clientHandler)) { client.DefaultRequestHeaders.Accept.Clear(); client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("*/*")); client.DefaultRequestHeaders.Add("Accept-Encoding", "gzip, deflate"); HttpRequestMessage httpRequestMessage = new HttpRequestMessage(HttpMethod.Get, url); HttpResponseMessage httpResponseMessage = await client.SendAsync(httpRequestMessage); if(httpResponseMessage.StatusCode == HttpStatusCode.OK) { content = await httpResponseMessage.Content.ReadAsStringAsync(); } } } catch(HttpRequestException) { throw; } return content; } #endregion |