Question

我正在开发社交网络应用程序。

我想在azure存储中为每个加入社交网络的用户（客户端）创建一个容器，这意味着user1有一个名为容器1的容器，而容器1内部将有xml格式的用户1个配置文件和用户1的个人资料图片。

同样，对于user2，将在azure blob存储中创建容器2，然后用户2配置文件以xml格式和用户2的个人资料图片保存，它就像这样，因此，对于10个用户来说，将会有10个容器。

如果我想在用户客户端1的不同9个容器中列出存储在Azure存储中的所有9个用户的信息，我该怎么办？

我正在使用webservice，但我面临的挑战是如何收集位于9个不同容器中的所有9个用户个人资料信息。

Answer 1

以下应该做的 -

            CloudStorageAccount account =
            CloudStorageAccount.FromConfigurationSetting("DataConnectionString");
        // We need to access blobs now, so create a CloudBlobClient
        CloudBlobClient blobClient = account.CreateCloudBlobClient();

        IEnumerable<CloudBlobContainer> containers = blobClient.ListContainers();

Answer 2

对于较新版本的Microsoft.WindowsAzure.Storage ，请使用CloudBlobClient.ListContainersSegmentedAsync方法的正确变体。用法示例如下：

private static async Task<IEnumerable<CloudBlobContainer>> ListContainersAsync(CloudBlobClient cloudBlobClient)
{
    BlobContinuationToken continuationToken = null;
    var containers = new List<CloudBlobContainer>();

    do
    {
        ContainerResultSegment response = await cloudBlobClient.ListContainersSegmentedAsync(continuationToken);
        continuationToken = response.ContinuationToken;
        containers.AddRange(response.Results);

    } while (continuationToken != null);

    return containers;
}

上述方法的用法如下：

string connectionString = "<your connection string>";
CloudStorageAccount.TryParse(connectionString, out CloudStorageAccount storageAccount);

if (storageAccount == null)
{
    Console.WriteLine("Connection string did not work");
}

CloudBlobClient cloudBlobClient = storageAccount.CreateCloudBlobClient();
var containers = await ListContainersAsync(cloudBlobClient);

或者，您可以创建如下扩展方法：

public static class CloudBlobClientExtension
{
    public static async Task<IEnumerable<CloudBlobContainer>> ListContainersAsync(this CloudBlobClient cloudBlobClient)
    {
        BlobContinuationToken continuationToken = null;
        var containers = new List<CloudBlobContainer>();

        do
        {
            ContainerResultSegment response = await cloudBlobClient.ListContainersSegmentedAsync(continuationToken);
            continuationToken = response.ContinuationToken;
            containers.AddRange(response.Results);

        } while (continuationToken != null);

        return containers;
    }
}

上述扩展方法的用法如下：

string connectionString = "<your connection string>";
CloudStorageAccount.TryParse(connectionString, out CloudStorageAccount storageAccount);

if (storageAccount == null)
{
    Console.WriteLine("Connection string did not work");
}

CloudBlobClient cloudBlobClient = storageAccount.CreateCloudBlobClient();
IEnumerable<CloudBlobContainer> containers = await cloudBlobClient.ListContainersAsync();

有关更多详细信息，请参阅MSDN和Balkan's Blog

对于较旧的Azure存储版本，请使用CloudBlobClient.ListContainers方法。用法示例如下：

string connectionString = "<your connection string>";
CloudStorageAccount.TryParse(connectionString, out CloudStorageAccount storageAccount);

if (storageAccount == null)
{
    Console.WriteLine("Connection string did not work");
}

CloudBlobClient cloudBlobClient = storageAccount.CreateCloudBlobClient();
var containers = cloudBlobClient.ListContainers();

Answer 3

CloudStorageAccount account =
    CloudStorageAccount.FromConfigurationSetting("DataConnectionString");

// We need to access blobs now, so create a CloudBlobClient
blobClient = account.CreateCloudBlobClient();

IEnumerable<CloudBlobContainer> containers = blobClient.ListContainers();

// This will return you list of containers
var containerList = containers.Select(e => e.Name).Tolist();

Answer 4

用于 .NET 的 Azure Blob 存储客户端库 v12

using Azure;
using Azure.Storage.Blobs;

BlobServiceClient blobServiceClient = new BlobServiceClient(azStorageConnString);
var containerList = blobServiceClient.GetBlobContainers();

foreach (var container in containerList)
  // doImportantWork

如何在azure blob存储中列出容器？

4 个答案:

用于 .NET 的 Azure Blob 存储客户端库 v12