在ARM模板中将日期时间字符串转换为unix时间戳

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "dateTimeString": {
      "type": "string",
      "metadata": {
        "description": "The date time string to convert to Unix timestamp."
      }
    }
  },
  "resources": [
    {
      "type": "Microsoft.Resources/deployments",
      "apiVersion": "2019-10-01",
      "name": "functionApp",
      "properties": {
        "mode": "Incremental",
        "template": {
          "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
          "contentVersion": "1.0.0.0",
          "resources": [
            {
              "type": "Microsoft.Web/sites",
              "apiVersion": "2019-08-01",
              "name": "[variables('functionAppName')]",
              "location": "[resourceGroup().location]",
              "kind": "functionapp",
              "properties": {
                "serverFarmId": "[variables('appServicePlanId')]",
                "siteConfig": {
                  "appSettings": [
                    {
                      "name": "AzureWebJobsStorage",
                      "value": "[concat('DefaultEndpointsProtocol=https;AccountName=', variables('storageAccountName'), ';AccountKey=', listKeys(resourceId('Microsoft.Storage/storageAccounts', variables('storageAccountName')), '2019-06-01').keys[0].value)]"
                    },
                    {
                      "name": "FUNCTIONS_WORKER_RUNTIME",
                      "value": "dotnet"
                    }
                  ]
                }
              }
            },
            {
              "type": "Microsoft.Web/sites/functions",
              "apiVersion": "2019-08-01",
              "name": "[concat(variables('functionAppName'), '/convertDateTimeToUnixTimestamp')]",
              "location": "[resourceGroup().location]",
              "dependsOn": [
                "[resourceId('Microsoft.Web/sites', variables('functionAppName'))]"
              ],
              "properties": {
                "scriptFile": "index.js",
                "bindings": [
                  {
                    "name": "req",
                    "type": "httpTrigger",
                    "direction": "in",
                    "methods": [
                      "get",
                      "post"
                    ],
                    "authLevel": "anonymous"
                  },
                  {
                    "name": "res",
                    "type": "http",
                    "direction": "out"
                  }
                ]
              }
            }
          ]
        }
      }
    }
  ],
  "outputs": {
    "functionAppUrl": {
      "type": "string",
      "value": "[concat('https://', variables('functionAppName'), '.azurewebsites.net/api/convertDateTimeToUnixTimestamp?dateTimeString=', parameters('dateTimeString'))]"
    }
  }
}