Amazon States Language - Amazon Step Functions
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Amazon States Language

Amazon St at atatateTask StChoice atatatateFail

有关更多信息,请参阅 Amazon 状态语言规范Statelint,后者是一个用于验证 Amazon 状态语言代码的工具。

要使用 Amazon States 语言在 Step Functions 控制台上创建状态机,请参阅入门


如果您在 Step Functions 控制台之外定义状态机,例如在您选择的编辑器中,则必须使用扩展名 .asl.json 保存状态机定义。

Amazon Statatatatate

{ "Comment": "An example of the Amazon States Language using a choice state.", "StartAt": "FirstState", "States": { "FirstState": { "Type": "Task", "Resource": "arn:aws:lambda:us-east-1:123456789012:function:FUNCTION_NAME", "Next": "ChoiceState" }, "ChoiceState": { "Type" : "Choice", "Choices": [ { "Variable": "$.foo", "NumericEquals": 1, "Next": "FirstMatchState" }, { "Variable": "$.foo", "NumericEquals": 2, "Next": "SecondMatchState" } ], "Default": "DefaultState" }, "FirstMatchState": { "Type" : "Task", "Resource": "arn:aws:lambda:us-east-1:123456789012:function:OnFirstMatch", "Next": "NextState" }, "SecondMatchState": { "Type" : "Task", "Resource": "arn:aws:lambda:us-east-1:123456789012:function:OnSecondMatch", "Next": "NextState" }, "DefaultState": { "Type": "Fail", "Error": "DefaultStateError", "Cause": "No Matches!" }, "NextState": { "Type": "Task", "Resource": "arn:aws:lambda:us-east-1:123456789012:function:FUNCTION_NAME", "End": true } } }