如何创建文件并将其上传到 amazon-S3

Question

我有一个 C# Lambda 函数可以创建一个简单的 .txt 文件，如下所示：

string file = Path.DirectorySeparatorChar + "tmp" + Path.DirectorySeparatorChar + "file.txt";
File.Create(file);

然后我尝试将其上传到 S3

TransferUtility fileTransferUtility = new TransferUtility(new AmazonS3Client(Amazon.RegionEndpoint.EUWest1));
fileTransferUtility.Upload(file, MyBucketNameInString);

但是，它返回了这个错误：

File createdOne or more errors occurred. (The process cannot access the file '/tmp/file.txt' because it is being used by another process.): AggregateException

有什么解决办法吗？

Answer 1

我将文件上传到 amazon S3 的简单解决方案

private void AddFile(Stream image)
{
    InitializeKey();
    var uploadRequest = new TransferUtilityUploadRequest();
    uploadRequest.CannedACL = S3CannedACL.PublicRead;
    uploadRequest.InputStream = image;
    uploadRequest.BucketName = AppConfiguration.AmazonS3FileBucketName;
    uploadRequest.Key = _key;

    using (TransferUtility fileTransferUtility = new TransferUtility(_client))
    {
        fileTransferUtility.Upload(uploadRequest);
    }
}