在集合中列出人臉

若要列出使用者 (SDK)

1. 如果您尚未執行：

   1. 建立或更新具有 AmazonRekognitionFullAccess 許可的使用者。如需詳細資訊，請參閱步驟 1：設定 AWS 帳戶並建立使用者。

   2. 安裝和設定 AWS CLI 和 AWS SDKs。如需詳細資訊，請參閱步驟 2：設定 AWS CLI 和 AWS SDKs。

2. 使用下列範例來呼叫 ListUsers 操作。

   Java

   此 Java 範例列出了使用 ListUsers 操作的集合中的使用者。

   import java.util.List;
   import com.amazonaws.services.rekognition.AmazonRekognition;
   import com.amazonaws.services.rekognition.AmazonRekognitionClientBuilder;
   import com.amazonaws.services.rekognition.model.ListUsersRequest;
   import com.amazonaws.services.rekognition.model.ListUsersResult;
   import com.amazonaws.services.rekognition.model.User;
   
   public class ListUsers {
   
       public static void main(String[] args) throws Exception {
   
   
           AmazonRekognition amazonRekognition = AmazonRekognitionClientBuilder.defaultClient();
   
   
           System.out.println("Listing users");
           int limit = 10;
           ListUsersResult listUsersResult = null;
           String paginationToken = null;
           do {
               if (listUsersResult != null) {
                   paginationToken = listUsersResult.getNextToken();
               }
               ListUsersRequest request = new ListUsersRequest()
                       .withCollectionId(collectionId)
                       .withMaxResults(limit)
                       .withNextToken(paginationToken);
               listUsersResult = amazonRekognition.listUsers(request);
   
               List<User> users = listUsersResult.getUsers();
               for (User currentUser: users) {
                   System.out.println(currentUser.getUserId() + " : " + currentUser.getUserStatus());
               }
           } while (listUsersResult.getNextToken() != null);
       }
   }

   AWS CLI

   此 AWS CLI 命令會列出具有 ListUsers操作的集合中的使用者。

   aws rekognition list-users --collection-id collection-id --max-results number-of-max-results

   Python

   下列範例會列出具有 ListUsers 操作的集合中的使用者。

   # Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
   # PDX-License-Identifier: MIT-0 (For details, see https://github.com/awsdocs/amazon-rekognition-developer-guide/blob/master/LICENSE-SAMPLECODE.)
   
   import boto3
   from botocore.exceptions import ClientError
   import logging
   from pprint import pprint
   
   logger = logging.getLogger(__name__)
   session = boto3.Session(profile_name='profile-name')
   client = session.client('rekognition')
   
   
   def list_users(collection_id):
       """
       List all users from the given collection
   
       :param collection_id: The ID of the collection where user is stored.
   
       :return: response that contains list of Users found within given collection
       """
       logger.info(f'Listing the users in collection: {collection_id}')
       try:
           response = client.list_users(
               CollectionId=collection_id
           )
           pprint(response["Users"])
       except ClientError:
           logger.exception(f'Failed to list all user from given collection: {collection_id}')
           raise
       else:
           return response
   
   def main():
       collection_id = "collection-id"
       list_users(collection_id)
   
   if __name__ == "__main__":
       main()