与 AWS SDK或ListCollections一起使用 CLI - AWS SDK代码示例

AWS 文档 AWS SDK示例 GitHub 存储库中还有更多SDK示例

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与 AWS SDK或ListCollections一起使用 CLI

以下代码示例演示如何使用 ListCollections

有关更多信息,请参阅列出集合

.NET
AWS SDK for .NET
注意

还有更多相关信息 GitHub。查找完整示例,学习如何在 AWS 代码示例存储库中进行设置和运行。

using System; using System.Threading.Tasks; using Amazon.Rekognition; using Amazon.Rekognition.Model; /// <summary> /// Uses Amazon Rekognition to list the collection IDs in the /// current account. /// </summary> public class ListCollections { public static async Task Main() { var rekognitionClient = new AmazonRekognitionClient(); Console.WriteLine("Listing collections"); int limit = 10; var listCollectionsRequest = new ListCollectionsRequest { MaxResults = limit, }; var listCollectionsResponse = new ListCollectionsResponse(); do { if (listCollectionsResponse is not null) { listCollectionsRequest.NextToken = listCollectionsResponse.NextToken; } listCollectionsResponse = await rekognitionClient.ListCollectionsAsync(listCollectionsRequest); listCollectionsResponse.CollectionIds.ForEach(id => { Console.WriteLine(id); }); } while (listCollectionsResponse.NextToken is not null); } }
  • 有关API详细信息,请参阅 “AWS SDK for .NET API参考 ListCollections” 中的。

CLI
AWS CLI

列出可用的集合

以下list-collections命令列出了 AWS 账户中的可用集合。

aws rekognition list-collections

输出:

{ "FaceModelVersions": [ "2.0", "3.0", "3.0", "3.0", "4.0", "1.0", "3.0", "4.0", "4.0", "4.0" ], "CollectionIds": [ "MyCollection1", "MyCollection2", "MyCollection3", "MyCollection4", "MyCollection5", "MyCollection6", "MyCollection7", "MyCollection8", "MyCollection9", "MyCollection10" ] }

有关更多信息,请参阅《Amazon Rekognition 开发人员指南》中的列出集合

Java
SDK适用于 Java 2.x
注意

还有更多相关信息 GitHub。查找完整示例,学习如何在 AWS 代码示例存储库中进行设置和运行。

import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.rekognition.RekognitionClient; import software.amazon.awssdk.services.rekognition.model.ListCollectionsRequest; import software.amazon.awssdk.services.rekognition.model.ListCollectionsResponse; import software.amazon.awssdk.services.rekognition.model.RekognitionException; import java.util.List; /** * Before running this Java V2 code example, set up your development * environment, including your credentials. * * For more information, see the following documentation topic: * * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html */ public class ListCollections { public static void main(String[] args) { Region region = Region.US_EAST_1; RekognitionClient rekClient = RekognitionClient.builder() .region(region) .build(); System.out.println("Listing collections"); listAllCollections(rekClient); rekClient.close(); } public static void listAllCollections(RekognitionClient rekClient) { try { ListCollectionsRequest listCollectionsRequest = ListCollectionsRequest.builder() .maxResults(10) .build(); ListCollectionsResponse response = rekClient.listCollections(listCollectionsRequest); List<String> collectionIds = response.collectionIds(); for (String resultId : collectionIds) { System.out.println(resultId); } } catch (RekognitionException e) { System.out.println(e.getMessage()); System.exit(1); } } }
  • 有关API详细信息,请参阅 “AWS SDK for Java 2.x API参考 ListCollections” 中的。

Kotlin
SDK对于 Kotlin 来说
注意

还有更多相关信息 GitHub。查找完整示例,学习如何在 AWS 代码示例存储库中进行设置和运行。

suspend fun listAllCollections() { val request = ListCollectionsRequest { maxResults = 10 } RekognitionClient { region = "us-east-1" }.use { rekClient -> val response = rekClient.listCollections(request) response.collectionIds?.forEach { resultId -> println(resultId) } } }
  • 有关API详细信息,请参阅ListCollections中的 Kotlin AWS SDK API 参考

Python
SDK适用于 Python (Boto3)
注意

还有更多相关信息 GitHub。查找完整示例,学习如何在 AWS 代码示例存储库中进行设置和运行。

class RekognitionCollectionManager: """ Encapsulates Amazon Rekognition collection management functions. This class is a thin wrapper around parts of the Boto3 Amazon Rekognition API. """ def __init__(self, rekognition_client): """ Initializes the collection manager object. :param rekognition_client: A Boto3 Rekognition client. """ self.rekognition_client = rekognition_client def list_collections(self, max_results): """ Lists collections for the current account. :param max_results: The maximum number of collections to return. :return: The list of collections for the current account. """ try: response = self.rekognition_client.list_collections(MaxResults=max_results) collections = [ RekognitionCollection({"CollectionId": col_id}, self.rekognition_client) for col_id in response["CollectionIds"] ] except ClientError: logger.exception("Couldn't list collections.") raise else: return collections
  • 有关API详细信息,请参阅ListCollections中的 AWS SDKPython (Boto3) API 参考。