文件 AWS 開發套件範例 GitHub 儲存庫中有更多可用的 AWS SDK 範例
本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。
下列程式碼範例示範如何使用 ListObjectsV2。
動作範例是大型程式的程式碼摘錄，必須在內容中執行。您可以在下列程式碼範例的內容中看到此動作：
- 適用於 .NET 的 SDK
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注意
GitHub 上提供更多範例。尋找完整範例，並了解如何在 AWS 程式碼範例儲存庫
中設定和執行。 /// <summary> /// Shows how to list the objects in an Amazon S3 bucket. /// </summary> /// <param name="client">An initialized Amazon S3 client object.</param> /// <param name="bucketName">The name of the bucket for which to list /// the contents.</param> /// <returns>A boolean value indicating the success or failure of the /// copy operation.</returns> public static async Task<bool> ListBucketContentsAsync(IAmazonS3 client, string bucketName) { try { var request = new ListObjectsV2Request { BucketName = bucketName, MaxKeys = 5, }; Console.WriteLine("--------------------------------------"); Console.WriteLine($"Listing the contents of {bucketName}:"); Console.WriteLine("--------------------------------------"); ListObjectsV2Response response; do { response = await client.ListObjectsV2Async(request); response.S3Objects .ForEach(obj => Console.WriteLine($"{obj.Key,-35}{obj.LastModified.ToShortDateString(),10}{obj.Size,10}")); // If the response is truncated, set the request ContinuationToken // from the NextContinuationToken property of the response. request.ContinuationToken = response.NextContinuationToken; } while (response.IsTruncated); return true; } catch (AmazonS3Exception ex) { Console.WriteLine($"Error encountered on server. Message:'{ex.Message}' getting list of objects."); return false; } }使用分頁程式列出物件。
using System; using System.Threading.Tasks; using Amazon.S3; using Amazon.S3.Model; /// <summary> /// The following example lists objects in an Amazon Simple Storage /// Service (Amazon S3) bucket. /// </summary> public class ListObjectsPaginator { private const string BucketName = "amzn-s3-demo-bucket"; public static async Task Main() { IAmazonS3 s3Client = new AmazonS3Client(); Console.WriteLine($"Listing the objects contained in {BucketName}:\n"); await ListingObjectsAsync(s3Client, BucketName); } /// <summary> /// This method uses a paginator to retrieve the list of objects in an /// an Amazon S3 bucket. /// </summary> /// <param name="client">An Amazon S3 client object.</param> /// <param name="bucketName">The name of the S3 bucket whose objects /// you want to list.</param> public static async Task ListingObjectsAsync(IAmazonS3 client, string bucketName) { var listObjectsV2Paginator = client.Paginators.ListObjectsV2(new ListObjectsV2Request { BucketName = bucketName, }); await foreach (var response in listObjectsV2Paginator.Responses) { Console.WriteLine($"HttpStatusCode: {response.HttpStatusCode}"); Console.WriteLine($"Number of Keys: {response.KeyCount}"); foreach (var entry in response.S3Objects) { Console.WriteLine($"Key = {entry.Key} Size = {entry.Size}"); } } } }-
如需 API 詳細資訊，請參閱《適用於 .NET 的 AWS SDK API 參考》中的 ListObjectsV2。
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