使用 AWS SDKs 的 Step Functions 程式碼範例 - AWS SDK 程式碼範例

文件 AWS SDK AWS 範例 SDK 儲存庫中有更多可用的 GitHub 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。

使用 AWS SDKs 的 Step Functions 程式碼範例

下列程式碼範例示範如何使用 AWS 軟體開發套件 AWS Step Functions (SDK)。

基本概念是程式碼範例,示範如何在服務中執行基本操作。

Actions 是大型程式的程式碼摘錄,必須在內容中執行。雖然動作會示範如何呼叫個別服務函數,但您可以在相關案例中查看內容中的動作。

案例是程式碼範例,示範如何透過呼叫服務內的多個函數或與其他函數結合來完成特定任務 AWS 服務。

其他 資源

開始使用

下列程式碼範例示範如何開始使用 Step Functions。

.NET
AWS SDK for .NET
注意

還有更多 on GitHub。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。

namespace StepFunctionsActions; using Amazon.StepFunctions; using Amazon.StepFunctions.Model; public class HelloStepFunctions { static async Task Main() { var stepFunctionsClient = new AmazonStepFunctionsClient(); Console.Clear(); Console.WriteLine("Welcome to AWS Step Functions"); Console.WriteLine("Let's list up to 10 of your state machines:"); var stateMachineListRequest = new ListStateMachinesRequest { MaxResults = 10 }; // Get information for up to 10 Step Functions state machines. var response = await stepFunctionsClient.ListStateMachinesAsync(stateMachineListRequest); if (response.StateMachines.Count > 0) { response.StateMachines.ForEach(stateMachine => { Console.WriteLine($"State Machine Name: {stateMachine.Name}\tAmazon Resource Name (ARN): {stateMachine.StateMachineArn}"); }); } else { Console.WriteLine("\tNo state machines were found."); } } }
  • 如需 API 詳細資訊,請參閱 ListStateMachines AWS SDK for .NET 參考中的 API

Java
Java 2.x 的 SDK
注意

還有更多 on GitHub。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。

Hello 的 Java 版本。

import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.sfn.SfnClient; import software.amazon.awssdk.services.sfn.model.ListStateMachinesResponse; import software.amazon.awssdk.services.sfn.model.SfnException; import software.amazon.awssdk.services.sfn.model.StateMachineListItem; 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 ListStateMachines { public static void main(String[] args) { Region region = Region.US_EAST_1; SfnClient sfnClient = SfnClient.builder() .region(region) .build(); listMachines(sfnClient); sfnClient.close(); } public static void listMachines(SfnClient sfnClient) { try { ListStateMachinesResponse response = sfnClient.listStateMachines(); List<StateMachineListItem> machines = response.stateMachines(); for (StateMachineListItem machine : machines) { System.out.println("The name of the state machine is: " + machine.name()); System.out.println("The ARN value is : " + machine.stateMachineArn()); } } catch (SfnException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } }
  • 如需 API 詳細資訊,請參閱 ListStateMachines AWS SDK for Java 2.x 參考中的 API

Kotlin
SDK for Kotlin
注意

還有更多 on GitHub。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。

import aws.sdk.kotlin.services.sfn.SfnClient import aws.sdk.kotlin.services.sfn.model.ListStateMachinesRequest /** Before running this Kotlin 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-kotlin/latest/developer-guide/setup.html */ suspend fun main() { println(DASHES) println("Welcome to the AWS Step Functions Hello example.") println("Lets list up to ten of your state machines:") println(DASHES) listMachines() } suspend fun listMachines() { SfnClient { region = "us-east-1" }.use { sfnClient -> val response = sfnClient.listStateMachines(ListStateMachinesRequest {}) response.stateMachines?.forEach { machine -> println("The name of the state machine is ${machine.name}") println("The ARN value is ${machine.stateMachineArn}") } } }
  • 如需 API 詳細資訊,請參閱 ListStateMachines AWS for Kotlin SDK 參考中的 API

Python
SDK for Python (Boto3)
注意

還有更多 on GitHub。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。

import boto3 def hello_stepfunctions(stepfunctions_client): """ Use the AWS SDK for Python (Boto3) to create an AWS Step Functions client and list the state machines in your account. This list might be empty if you haven't created any state machines. This example uses the default settings specified in your shared credentials and config files. :param stepfunctions_client: A Boto3 Step Functions Client object. """ print("Hello, Step Functions! Let's list up to 10 of your state machines:") state_machines = stepfunctions_client.list_state_machines(maxResults=10) for sm in state_machines["stateMachines"]: print(f"\t{sm['name']}: {sm['stateMachineArn']}") if __name__ == "__main__": hello_stepfunctions(boto3.client("stepfunctions"))
  • 如需 API 詳細資訊,請參閱 ListStateMachines AWS SDK for Python (Boto3) Word 參考中的 API