SendMessageBatch与 AWS SDK 或 CLI 配合使用 - AWS SDK 代码示例

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SendMessageBatch与 AWS SDK 或 CLI 配合使用

以下代码示例演示如何使用 SendMessageBatch

操作示例是大型程序的代码摘录,必须在上下文中运行。在以下代码示例中,您可以查看此操作的上下文:

CLI
AWS CLI

批量发送多条消息

此示例向指定队列发送 2 条具有指定消息正文、延迟时间和消息属性的消息。

命令:

aws sqs send-message-batch --queue-url https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyQueue --entries file://send-message-batch.json

输入文件 (send-message-batch.json):

[ { "Id": "FuelReport-0001-2015-09-16T140731Z", "MessageBody": "Fuel report for account 0001 on 2015-09-16 at 02:07:31 PM.", "DelaySeconds": 10, "MessageAttributes": { "SellerName": { "DataType": "String", "StringValue": "Example Store" }, "City": { "DataType": "String", "StringValue": "Any City" }, "Region": { "DataType": "String", "StringValue": "WA" }, "PostalCode": { "DataType": "String", "StringValue": "99065" }, "PricePerGallon": { "DataType": "Number", "StringValue": "1.99" } } }, { "Id": "FuelReport-0002-2015-09-16T140930Z", "MessageBody": "Fuel report for account 0002 on 2015-09-16 at 02:09:30 PM.", "DelaySeconds": 10, "MessageAttributes": { "SellerName": { "DataType": "String", "StringValue": "Example Fuels" }, "City": { "DataType": "String", "StringValue": "North Town" }, "Region": { "DataType": "String", "StringValue": "WA" }, "PostalCode": { "DataType": "String", "StringValue": "99123" }, "PricePerGallon": { "DataType": "Number", "StringValue": "1.87" } } } ]

输出:

{ "Successful": [ { "MD5OfMessageBody": "203c4a38...7943237e", "MD5OfMessageAttributes": "10809b55...baf283ef", "Id": "FuelReport-0001-2015-09-16T140731Z", "MessageId": "d175070c-d6b8-4101-861d-adeb3EXAMPLE" }, { "MD5OfMessageBody": "2cf0159a...c1980595", "MD5OfMessageAttributes": "55623928...ae354a25", "Id": "FuelReport-0002-2015-09-16T140930Z", "MessageId": "f9b7d55d-0570-413e-b9c5-a9264EXAMPLE" } ] }
  • 有关 API 的详细信息,请参阅AWS CLI 命令参考SendMessageBatch中的。

Java
适用于 Java 的 SDK 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。

SendMessageBatchRequest sendMessageBatchRequest = SendMessageBatchRequest.builder() .queueUrl(queueUrl) .entries(SendMessageBatchRequestEntry.builder().id("id1").messageBody("Hello from msg 1").build(), SendMessageBatchRequestEntry.builder().id("id2").messageBody("msg 2").delaySeconds(10) .build()) .build(); sqsClient.sendMessageBatch(sendMessageBatchRequest);
  • 有关 API 的详细信息,请参阅 AWS SDK for Java 2.x API 参考SendMessageBatch中的。

PowerShell
用于 PowerShell

示例 1:此示例向指定队列发送 2 条具有指定属性和消息正文的消息。第一条消息的传递延迟了 15 秒,第二条消息的传递延迟了 10 秒。

$student1NameAttributeValue = New-Object Amazon.SQS.Model.MessageAttributeValue $student1NameAttributeValue.DataType = "String" $student1NameAttributeValue.StringValue = "John Doe" $student1GradeAttributeValue = New-Object Amazon.SQS.Model.MessageAttributeValue $student1GradeAttributeValue.DataType = "Number" $student1GradeAttributeValue.StringValue = "89" $student2NameAttributeValue = New-Object Amazon.SQS.Model.MessageAttributeValue $student2NameAttributeValue.DataType = "String" $student2NameAttributeValue.StringValue = "Jane Doe" $student2GradeAttributeValue = New-Object Amazon.SQS.Model.MessageAttributeValue $student2GradeAttributeValue.DataType = "Number" $student2GradeAttributeValue.StringValue = "93" $message1 = New-Object Amazon.SQS.Model.SendMessageBatchRequestEntry $message1.DelaySeconds = 15 $message1.Id = "FirstMessage" $message1.MessageAttributes.Add("StudentName", $student1NameAttributeValue) $message1.MessageAttributes.Add("StudentGrade", $student1GradeAttributeValue) $message1.MessageBody = "Information about John Doe's grade." $message2 = New-Object Amazon.SQS.Model.SendMessageBatchRequestEntry $message2.DelaySeconds = 10 $message2.Id = "SecondMessage" $message2.MessageAttributes.Add("StudentName", $student2NameAttributeValue) $message2.MessageAttributes.Add("StudentGrade", $student2GradeAttributeValue) $message2.MessageBody = "Information about Jane Doe's grade." Send-SQSMessageBatch -QueueUrl https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyQueue -Entry $message1, $message2

输出

Failed Successful ------ ---------- {} {FirstMessage, SecondMessage}
  • 有关 API 的详细信息,请参阅 AWS Tools for PowerShell Cmdlet 参考SendMessageBatch中的。

Python
适用于 Python 的 SDK(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。

def send_messages(queue, messages): """ Send a batch of messages in a single request to an SQS queue. This request may return overall success even when some messages were not sent. The caller must inspect the Successful and Failed lists in the response and resend any failed messages. :param queue: The queue to receive the messages. :param messages: The messages to send to the queue. These are simplified to contain only the message body and attributes. :return: The response from SQS that contains the list of successful and failed messages. """ try: entries = [ { "Id": str(ind), "MessageBody": msg["body"], "MessageAttributes": msg["attributes"], } for ind, msg in enumerate(messages) ] response = queue.send_messages(Entries=entries) if "Successful" in response: for msg_meta in response["Successful"]: logger.info( "Message sent: %s: %s", msg_meta["MessageId"], messages[int(msg_meta["Id"])]["body"], ) if "Failed" in response: for msg_meta in response["Failed"]: logger.warning( "Failed to send: %s: %s", msg_meta["MessageId"], messages[int(msg_meta["Id"])]["body"], ) except ClientError as error: logger.exception("Send messages failed to queue: %s", queue) raise error else: return response
  • 有关 API 的详细信息,请参阅适用SendMessageBatchPython 的AWS SDK (Boto3) API 参考

Ruby
适用于 Ruby 的 SDK
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。

require 'aws-sdk-sqs' require 'aws-sdk-sts' # # @param sqs_client [Aws::SQS::Client] An initialized Amazon SQS client. # @param queue_url [String] The URL of the queue. # @param entries [Hash] The contents of the messages to be sent, # in the correct format. # @return [Boolean] true if the messages were sent; otherwise, false. # @example # exit 1 unless messages_sent?( # Aws::SQS::Client.new(region: 'us-west-2'), # 'https://sqs.us-west-2.amazonaws.com/111111111111/my-queue', # [ # { # id: 'Message1', # message_body: 'This is the first message.' # }, # { # id: 'Message2', # message_body: 'This is the second message.' # } # ] # ) def messages_sent?(sqs_client, queue_url, entries) sqs_client.send_message_batch( queue_url: queue_url, entries: entries ) true rescue StandardError => e puts "Error sending messages: #{e.message}" false end # Full example call: # Replace us-west-2 with the AWS Region you're using for Amazon SQS. def run_me region = 'us-west-2' queue_name = 'my-queue' entries = [ { id: 'Message1', message_body: 'This is the first message.' }, { id: 'Message2', message_body: 'This is the second message.' } ] sts_client = Aws::STS::Client.new(region: region) # For example: # 'https://sqs.us-west-2.amazonaws.com/111111111111/my-queue' queue_url = "https://sqs.#{region}.amazonaws.com/#{sts_client.get_caller_identity.account}/#{queue_name}" sqs_client = Aws::SQS::Client.new(region: region) puts "Sending messages to the queue named '#{queue_name}'..." if messages_sent?(sqs_client, queue_url, entries) puts 'Messages sent.' else puts 'Messages not sent.' end end
  • 有关 API 的详细信息,请参阅 AWS SDK for Ruby API 参考SendMessageBatch中的。