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在app.config中将环境变量视为字符串

[英]Environment variable treated as string in app.config

原文 2019-01-22 00:14:51 4 1 c#/ logging/ environment-variables/ app-config/ enterprise-library

I'm not able to use any environment variable when declaring listener fileName for Microsoft Enterprise Library - logging block 声明Microsoft Enterprise Library的侦听器fileName时，无法使用任何环境变量-日志记录块

It is getting treated as a string "I find a folder with the name %temp% inside next to exe file! 它被视为字符串“我在exe文件旁边找到一个名称为％temp％的文件夹！

I have tried multiple variables all with the same results, I have tried using ${} format and same result! 我已经尝试了多个具有相同结果的变量，也曾尝试使用$ {}格式和相同结果！

<add fileName="%ProgramData%\\errors.log" header="----------------" footer="----------------" formatter="Text Formatter" listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.FlatFileTraceListenerData, OceanEhr.Logging" traceOutputOptions="None" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.FlatFileTraceListener" name="UserLog"/>

Microsoft documentation mentions that we can use variables in fileName, so no idea what I'm missing Microsoft文档提到我们可以在fileName中使用变量，所以不知道我缺少了什么

Source: https://docs.microsoft.com/en-us/previous-versions/msp-np/ff664768(v=pandp.50) 来源： https : //docs.microsoft.com/zh-cn/previous-versions/msp-np/ff664768(v=pandp.50）

1 个解决方案

也许尝试其他环境变量，例如%APPDATA%或%ALLUSERSPROFILE% ？

使用环境变量覆盖 App.config 值 - Override App.config value with an environment variable

App.config设置，环境变量作为部分路径 - App.config settings, environment variable as partial path

App.Config 连接字符串 - App.Config Connection String

app.config中的连接字符串 - Connection string in app.config

App.config转换无法基于环境工作 - App.config transformation is not working based on environment

为 3 个不同的环境转换 app.config - Transform app.config for 3 different environment

如何在app.config文件中声明变量？ - How to declare a variable in the app.config file?

App.Config连接字符串格式 - App.Config connection string format

更改app.config的连接字符串值 - change the connection string values the app.config

如何在App.Config中编写URI字符串 - How to write an URI string in App.Config

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