使用C＃將壓縮文件上傳到Dropbox

Question

我正在嘗試使用訪問令牌將壓縮文件上傳到Dropbox。 以下代碼適用於解壓縮的文件 ：

private static async Task FileUploadToDropbox(string filePath, string fileName, byte[] fileContent)
{
    var client = new DropboxClient("Access Token");

    const int chunkSize = 1024;

    using (var stream = new MemoryStream(fileContent))
    {
        int numChunks = (int)Math.Ceiling((double)stream.Length / chunkSize);

        byte[] buffer = new byte[chunkSize];
        string sessionId = null;

        for (var idx = 0; idx < numChunks; idx++)
        {
            var byteRead = stream.Read(buffer, 0, chunkSize);

            using (MemoryStream memStream = new MemoryStream(buffer, 0, byteRead))
            {
                if (idx == 0)
                {
                    var result = await client.Files.UploadSessionStartAsync(body: memStream);
                    sessionId = result.SessionId;
                }

                else
                {
                    UploadSessionCursor cursor = new UploadSessionCursor(sessionId, (ulong)(chunkSize * idx));

                    if (idx == numChunks - 1)
                    {
                        await client.Files.UploadSessionFinishAsync(cursor, new CommitInfo(filePath + "/" + fileName), memStream);
                    }

                    else
                    {
                        await client.Files.UploadSessionAppendV2Async(cursor, body: memStream);
                    }
                }
            }
        }
    }
}

但是，當我嘗試使用此代碼上傳壓縮文件時，它將一個空的壓縮文件上傳到Dropbox。 我正在讀取壓縮文件作為字節數組，並將其傳遞給上述方法。 盡管文件大小保持不變，但是當我下載文件並嘗試將其解壓縮時，它表示壓縮后的文件為空。

Answer 1

請嘗試以下方法：

    /// <summary>
    /// Function to import local file to dropbox.
    /// </summary>
    public static async Task<bool> WriteFileToDropBox()
    {
        try
        {
            //Connecting with dropbox.
            var file = "File path at dropbox";
            using (var dbx = new DropboxClient("Access Token"))
            using (var fs = new FileStream("Path of file to be uploaded.")
            {
                var updated = await dbx.Files.UploadAsync(file, WriteMode.Add.Instance, body: fs);
            }
            return true;
        }
        catch (Exception err)
        {
            MessageBox.Show(err.Message);
            return false;
        }
    }

Answer 2

private static async Task FileUploadToDropbox(string filePath, string fileName, string fileSource)
        {
            using (var dbx = new DropboxClient("access Token"))
            using (var fs = new FileStream(fileSource, FileMode.Open, FileAccess.Read))
            {
                var updated = await dbx.Files.UploadAsync(
                    (filePath + "/" + fileName), WriteMode.Overwrite.Instance, body: fs);
            }
        }

上面的方法對我有用。