c# 後臺post,包含file檔案
阿新 • • 發佈:2018-11-22
http request 相關
private bool Upload(KeyValuePair<string, string>[] paramString,Stream paramFileStream) { var actionUrl = $"{_websiteUrl}/********"; byte[] paramFileBytes = new byte[paramFileStream.Length]; paramFileStream.Read(paramFileBytes, 0, paramFileBytes.Length); // 設定當前流的位置為流的開始 paramFileStream.Seek(0, SeekOrigin.Begin); Func<Task<bool>> task = async () => { using (var client = CreateHttpClient()) { using (var formData = new MultipartFormDataContent()) { foreach (var keyValuePair in paramString) { formData.Add(new StringContent(keyValuePair.Value), keyValuePair.Key); } //var fileContent = new ByteArrayContent(paramFileBytes); HttpContent fileStreamContent = new StreamContent(paramFileStream); fileStreamContent.Headers.ContentDisposition = new System.Net.Http.Headers.ContentDispositionHeaderValue("form-data") { Name = "files", Size = 1, FileName = "201809.xlsx" }; fileStreamContent.Headers.ContentType = new MediaTypeHeaderValue("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); //formData.Add(fileContent, "files"); formData.Add( fileStreamContent, "files", "201809.xlsx"); client.DefaultRequestHeaders.Add("UserToken", _clientAuth.GetToken()); var respMessage = await client.PostAsync(FixUrl(actionUrl), formData).ConfigureAwait(false); if (!respMessage.IsSuccessStatusCode) { return false; } //respMessage.EnsureSuccessStatusCode(); Byte[] rawBytes = await respMessage.Content.ReadAsByteArrayAsync().ConfigureAwait(false); var content = ClientEncoding.GetString(rawBytes, 0, rawBytes.Length); return true; } } }; return RunSync(task); }
相關方法
public static TResult RunSync<TResult>(Func<Task<TResult>> func, bool await = false) { CultureInfo cultureUi = CultureInfo.CurrentUICulture; CultureInfo culture = CultureInfo.CurrentCulture; return _myTaskFactory.StartNew<Task<TResult>>(delegate { Thread.CurrentThread.CurrentCulture = culture; Thread.CurrentThread.CurrentUICulture = cultureUi; return func(); }).Unwrap<TResult>().ConfigureAwait(await).GetAwaiter().GetResult(); }