Azure Resource Manager模板链接的功能 [英] Azure Resource Manager template chained functions

问题描述

在分配给输出变量值

"webappStorageUri":{
      "type": "string",
      "value": "[take(reference(resourceId('Microsoft.Storage/storageAccounts', variables('webappStorageName'))).primaryEndpoints.web, length(reference(resourceId('Microsoft.Storage/storageAccounts', variables('webappStorageName'))).primaryEndpoints.web)-1]"
 }

从返回的值 length 函数应为错误消息

[error]Deployment template language expression evaluation failed: 'Unable to parse language expression 'take(reference(resourceId('Microsoft.Storage/storageAccounts', variables('webappStorageName'))).primaryEndpoints.web, length(reference(resourceId('Microsoft.Storage/storageAccounts', variables('webappStorageName'))).primaryEndpoints.web)-1': expected token 'RightParenthesis' and actual 'Integer'.'. Please see https://aka.ms/arm-template-expressions for usage details.

推荐答案

我不确定您要实现的目标，但是您的函数在方括号中存在问题，并且您无法通过添加 -1 <来真正减去/code>放在一个随机的位置.

I'm not sure what you are trying to achieve, but your function has issues with brackets, and you cannot really substract by appending -1 in a random place.

"[take(reference(variables('webappStorageName')).primaryEndpoints.web,
    sub(length(reference(variables('webappStorageName')).primaryEndpoints.web), 1))]"

换行符仅出于可读性

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