UWP:使用OneDrive SDK上传大文件到OneDrive

Question

我可以使用以下代码上传“小”文件(< 100MB)：

await OneDriveClient
      .Drive
      .Special
      .AppRoot
      .Children["filename"]
      .Content
      .Request()
      .PutAsync<Item>(contentStream);

对于大文件(> 100MB)，我读到您必须创建一个Upload Session。像这样的东西？

UploadSession uSession = await OneDriveClient
                               .Drive
                               .Special
                               .AppRoot
                               .Children["filename"]
                               .CreateSession(VarChunkedUploadSessionDescriptor)
                               .Request()
                               .PostAsync();

我不确定这之后是什么步骤？(甚至这是正确的一步！)。我会喜欢一些填鸭式的:)提前谢谢！

Answer 1

sdk在这方面有点令人困惑。请注意，ItemWithPath没有驱动器根目录....

//uploadPath = "/documentname.docx";
//filename = "documentname.docx";

var request = service.OneDriveClient.Drive.Root.ItemWithPath(uploadPath).CreateSession(new ChunkedUploadSessionDescriptor() { Name = Uri.EscapeUriString(System.IO.Path.GetFileName(filename)) }).Request();
var session = request.PostAsync().Result;


using (var stream = new System.IO.FileStream(filename, System.IO.FileMode.Open))
        {
            if (stream != null)
            {
                Microsoft.OneDrive.Sdk.Helpers.ChunkedUploadProvider chunk = new Microsoft.OneDrive.Sdk.Helpers.ChunkedUploadProvider(
            session, client, stream);
                var item = chunk.UploadAsync().Result; 
            }
        }