[英]How to copy blobs between containers?
public void CopyBlobsBetweenContainers(string sourceContainerName, string targetContainerName, IEnumerable<string> blobsToCopy)
{
foreach (var sourceBlobName in blobsToCopy)
{
_cancellationToken.ThrowIfCancellationRequested();
var sourceBlob = sourceContainer.GetPageBlobReference(sourceBlobName);
if (!sourceBlob.Exists())
{
throw new InvalidOperationException(SafeFormatter.Format(CloudLocalization.Culture, CloudLocalization.CannotCopyBlobDoesNotExist, sourceBlobName));
}
var targetBlob = targetContainer.GetPageBlobReference(sourceBlobName);
if (targetBlob.Exists())
{
throw new InvalidOperationException(SafeFormatter.Format(CloudLocalization.Culture, CloudLocalization.CannotCopyTargetAlreadyExists, sourceBlobName));
}
_logger.Debug("Copying blob '{0}' from container '{1}' to '{2}'", sourceBlobName, sourceContainerName, targetContainerName);
targetBlob.Create(sourceBlob.Properties.Length);
targetBlob.StartCopy(sourceBlob);
}
_logger.Debug("Copy blobs finished");
}
如果我在源容器中的文件夾(CloudBlobDirectory)中有我的頁面blob我不想復制文件夾我想將我的頁面blob復制到目標容器。 這該怎么做?
您可以使用Azure數據移動庫中包含的TransferManager類 。
您可以通過執行以下命令復制每個blob:
await TransferManager.CopyAsync(sourceBlob, targetBlob, isServiceCopy: false);
請注意,如果您選擇使用服務端副本('isServiceCopy'設置為true),則Azure(當前)不會為此提供SLA。 將'isServiceCopy'設置為false將在本地下載源blob並將其上載到目標blob。
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