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如何列出blob容器中的所有目录和子目录？

这是我到目前为止:

public List<CloudBlobDirectory> Folders { get; set; }

public List<CloudBlobDirectory> GetAllFoldersAndSubFoldersFromBlobStorageContainer()
{
    CloudStorageAccount storageAccount = CloudStorageAccount.Parse(ConfigurationManager.ConnectionStrings["StorageConnectionString"].ConnectionString);
    CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
    CloudBlobContainer container = blobClient.GetContainerReference("mycontainer");

    if (container.Exists())
    {
        Folders = new List<CloudBlobDirectory>();

        foreach (var item in container.ListBlobs())
        {
            if (item is CloudBlobDirectory)
            {
                var folder = (CloudBlobDirectory)item;
                Folders.Add(folder);
                GetSubFolders(folder);
            }
        }
    }

    return Folders;
}

private void GetSubFolders(CloudBlobDirectory folder)
{
    foreach (var item in folder.ListBlobs())
    {
        if (item is CloudBlobDirectory)
        {
            var subfolder = (CloudBlobDirectory)item;
            Folders.Add(subfolder);
            GetSubFolders(subfolder);
        }
    }
} …