我的 C# 应用程序将文件上传到某个 API,我使用的是多部分请求,即我正在上传文件的 json 字符串和二进制内容,它适用于大多数文件,但对于极少数文件,它给出了例外,我的意思是让我们尝试对于名为50MB.zip
我的文件,出现异常:
A task was canceled. ::: ::: System.Threading.Tasks.TaskCanceledException: A task was canceled.
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
Run Code Online (Sandbox Code Playgroud)
我的代码大致如下:
public async Task<Dictionary<string , string>> Upload(string filePath)
{
FileInfo fi = new FileInfo(FilePath);
string jsonString="some json string";
byte[] fileContents=File.ReadAllBytes(fi.FullName);
Uri webService = new Uri(url);
HttpRequestMessage requestMessage = new HttpRequestMessage(HttpMethod.Post , webService);
requestMessage.Method = HttpMethod.Post;
requestMessage.Headers.Add("Authorization" , "MyKey1234");
const string boundry = "------------------My-Boundary";
MultipartFormDataContent multiPartContent = new MultipartFormDataContent(boundry);
ByteArrayContent byteArrayContent = new ByteArrayContent(fileContents); …Run Code Online (Sandbox Code Playgroud)