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与 Amazon SDK或ChangeMessageVisibility
一起使用 CLI
以下代码示例演示如何使用 ChangeMessageVisibility
。
- C++
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- SDK对于 C++
-
注意
还有更多相关信息 GitHub。查找完整示例,学习如何在 Amazon 代码示例存储库
中进行设置和运行。 Aws::Client::ClientConfiguration clientConfig; // Optional: Set to the AWS Region (overrides config file). // clientConfig.region = "us-east-1"; //! Changes the visibility timeout of a message in an Amazon Simple Queue Service //! (Amazon SQS) queue. /*! \param queueUrl: An Amazon SQS queue URL. \param messageReceiptHandle: A message receipt handle. \param visibilityTimeoutSeconds: Visibility timeout in seconds. \param clientConfiguration: AWS client configuration. \return bool: Function succeeded. */ bool AwsDoc::SQS::changeMessageVisibility( const Aws::String &queue_url, const Aws::String &messageReceiptHandle, int visibilityTimeoutSeconds, const Aws::Client::ClientConfiguration &clientConfiguration) { Aws::SQS::SQSClient sqsClient(clientConfiguration); Aws::SQS::Model::ChangeMessageVisibilityRequest request; request.SetQueueUrl(queue_url); request.SetReceiptHandle(messageReceiptHandle); request.SetVisibilityTimeout(visibilityTimeoutSeconds); auto outcome = sqsClient.ChangeMessageVisibility(request); if (outcome.IsSuccess()) { std::cout << "Successfully changed visibility of message " << messageReceiptHandle << " from queue " << queue_url << std::endl; } else { std::cout << "Error changing visibility of message from queue " << queue_url << ": " << outcome.GetError().GetMessage() << std::endl; } return outcome.IsSuccess(); }
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有关API详细信息,请参阅 “Amazon SDK for C++ API参考 ChangeMessageVisibility” 中的。
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- CLI
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- Amazon CLI
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更改消息的超时可见性
此示例将指定消息的超时可见性更改为 10 小时(10 小时 * 60 分钟 * 60 秒)。
命令:
aws sqs change-message-visibility --queue-url
https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyQueue
--receipt-handleAQEBTpyI...t6HyQg==
--visibility-timeout36000
输出:
None.
-
有关API详细信息,请参阅 “ChangeMessageVisibility Amazon CLI
命令参考”。
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- JavaScript
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- SDK对于 JavaScript (v3)
-
注意
还有更多相关信息 GitHub。查找完整示例,学习如何在 Amazon 代码示例存储库
中进行设置和运行。 接收 Amazon SQS 消息并更改其超时可见性。
import { ReceiveMessageCommand, ChangeMessageVisibilityCommand, SQSClient, } from "@aws-sdk/client-sqs"; const client = new SQSClient({}); const SQS_QUEUE_URL = "queue_url"; const receiveMessage = (queueUrl) => client.send( new ReceiveMessageCommand({ AttributeNames: ["SentTimestamp"], MaxNumberOfMessages: 1, MessageAttributeNames: ["All"], QueueUrl: queueUrl, WaitTimeSeconds: 1, }), ); export const main = async (queueUrl = SQS_QUEUE_URL) => { const { Messages } = await receiveMessage(queueUrl); const response = await client.send( new ChangeMessageVisibilityCommand({ QueueUrl: queueUrl, ReceiptHandle: Messages[0].ReceiptHandle, VisibilityTimeout: 20, }), ); console.log(response); return response; };
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有关API详细信息,请参阅 “Amazon SDK for JavaScript API参考 ChangeMessageVisibility” 中的。
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- SDK对于 JavaScript (v2)
-
注意
还有更多相关信息 GitHub。查找完整示例,学习如何在 Amazon 代码示例存储库
中进行设置和运行。 接收 Amazon SQS 消息并更改其超时可见性。
// Load the AWS SDK for Node.js var AWS = require("aws-sdk"); // Set the region to us-west-2 AWS.config.update({ region: "us-west-2" }); // Create the SQS service object var sqs = new AWS.SQS({ apiVersion: "2012-11-05" }); var queueURL = "https://sqs.REGION.amazonaws.com/ACCOUNT-ID/QUEUE-NAME"; var params = { AttributeNames: ["SentTimestamp"], MaxNumberOfMessages: 1, MessageAttributeNames: ["All"], QueueUrl: queueURL, }; sqs.receiveMessage(params, function (err, data) { if (err) { console.log("Receive Error", err); } else { // Make sure we have a message if (data.Messages != null) { var visibilityParams = { QueueUrl: queueURL, ReceiptHandle: data.Messages[0].ReceiptHandle, VisibilityTimeout: 20, // 20 second timeout }; sqs.changeMessageVisibility(visibilityParams, function (err, data) { if (err) { console.log("Delete Error", err); } else { console.log("Timeout Changed", data); } }); } else { console.log("No messages to change"); } } });
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有关更多信息,请参阅《Amazon SDK for JavaScript 开发人员指南》。
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有关API详细信息,请参阅 “Amazon SDK for JavaScript API参考 ChangeMessageVisibility” 中的。
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- PowerShell
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- 用于 PowerShell
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示例 1:此示例将指定队列中具有指定接收句柄的消息的可见性超时更改为 10 小时(10 小时 * 60 分钟 * 60 秒 = 36000 秒)。
Edit-SQSMessageVisibility -QueueUrl https://sqs.us-east-1.amazonaws.com/8039EXAMPLE/MyQueue -ReceiptHandle AQEBgGDh...J/Iqww== -VisibilityTimeout 36000
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有关API详细信息,请参阅 Amazon Tools for PowerShell Cmdlet 参考ChangeMessageVisibility中的。
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- Ruby
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- SDK对于 Ruby
-
注意
还有更多相关信息 GitHub。查找完整示例,学习如何在 Amazon 代码示例存储库
中进行设置和运行。 require 'aws-sdk-sqs' # v2: require 'aws-sdk' # Replace us-west-2 with the AWS Region you're using for Amazon SQS. sqs = Aws::SQS::Client.new(region: 'us-west-2') begin queue_name = 'my-queue' queue_url = sqs.get_queue_url(queue_name: queue_name).queue_url # Receive up to 10 messages receive_message_result_before = sqs.receive_message({ queue_url: queue_url, max_number_of_messages: 10 }) puts "Before attempting to change message visibility timeout: received #{receive_message_result_before.messages.count} message(s)." receive_message_result_before.messages.each do |message| sqs.change_message_visibility({ queue_url: queue_url, receipt_handle: message.receipt_handle, visibility_timeout: 30 # This message will not be visible for 30 seconds after first receipt. }) end # Try to retrieve the original messages after setting their visibility timeout. receive_message_result_after = sqs.receive_message({ queue_url: queue_url, max_number_of_messages: 10 }) puts "\nAfter attempting to change message visibility timeout: received #{receive_message_result_after.messages.count} message(s)." rescue Aws::SQS::Errors::NonExistentQueue puts "Cannot receive messages for a queue named '#{queue_name}', as it does not exist." end
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有关API详细信息,请参阅 “Amazon SDK for Ruby API参考 ChangeMessageVisibility” 中的。
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有关 Amazon SDK开发者指南和代码示例的完整列表,请参阅将 Amazon SQS 与 Amazon SDK 结合使用。本主题还包括有关入门的信息以及有关先前SDK版本的详细信息。