运行 VS 中的 Azure 函数和读取应用程序设置时出错

Question

我有一个功能，读取 "Application settings"，这是男子气概的钥匙。它在 Azure 中运行良好，但是当我运行它通过错误从 VS 在本地运行时：

[27/02/2018 5:39:14 AM] A ScriptHost error has occurred
[27/02/2018 5:39:14 AM] Exception while executing function: GetFile. OOPInteg: Object reference not set to an instance of an object.
[27/02/2018 5:39:14 AM] Exception while executing function: GetFile
[27/02/2018 5:39:14 AM] Exception while executing function: GetFile. OOPInteg: Object reference not set to an instance of an object.
[27/02/2018 5:39:14 AM] Function completed (Failure, Id=463f7a76-b34c-42ba-aa84-ca1b496da288, Duration=61ms)
[27/02/2018 5:39:14 AM]

我也在本地添加了 App.config 相同的密钥，但这没有什么不同。请指导我如何修复它。我只想测试它在 Azure 中的工作情况。谢谢

编辑：

我已经按照 Tom Sun 的回复做了，但结果是一样的。复制了他的 json 文件，仅更改了 'AzureWebJobsStorage' 和 'AzureWebJobsDashboard'，但在运行ning 上得到了相同的效果。请帮忙。

Answer 1

如果您想在本地运行 Azure 功能，您可以在 local.settings.json 中配置"Applcation settings"。

The file local.settings.json stores app settings, connection strings, and settings for Azure Functions Core Tools. It has the following structure:JSON

{
  "IsEncrypted": false,   
  "Values": {
    "AzureWebJobsStorage": "<connection string>", 
    "AzureWebJobsDashboard": "<connection string>" 
  },
  "Host": {
    "LocalHttpPort": 7071, 
    "CORS": "*" 
  },
  "ConnectionStrings": {
    "SQLConnectionString": "Value"
  }
}

These settings can also be read in your code as environment variables. In C#, use System.Environment.GetEnvironmentVariable or ConfigurationManager.AppSettings. In JavaScript, use process.env. Settings specified as a system environment variable take precedence over values in the local.settings.json file.

更新：

不需要提供cors和sqlconnectionstring如果不是必须的，默认本地http端口是7071。如何在本地开发和测试Azure Functions，请参考这个document. How to develop with VS please refer to Azure Functions Tools for Visual Studio.

运行 VS 中的 Azure 函数和读取应用程序设置时出错

running Azure Function in VS and error on reading Application settings

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azure-functions

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