app.config中的文件路径 [英] FIle path in app.config

问题描述

每当我们运行Windows应用程序时，我总是怀疑路径是如何形成的。



我在我的应用程序配置中设置了这样一个键

< add key =   LogFilePath  value  =   .. \\\\\/>  

当我从本地机器运行时，它提供了运行Windows应用程序的路径。



但是当我从TFS运行相同的项目时，当我尝试在Log文件夹中创建一个文件，而不是项目映射路径时，它提供了一个完全不同的路径。





谁能告诉我为什么会这样？

解决方案

我建​​议你在代码中确定相关的运行时目录路径： pre lang =cs> string appStartUp = Application.StartupPath;

string currentDirectory = Environment.CurrentDirectory;

string desktop = Environment.GetFolderPath（Environment.SpecialFolder.Desktop）;

全局系统路径的其他有用信息可以在Environment.SpecialFolder枚举中找到：[ ^ ]。

请注意，日志文件不能放在程序文件夹中：非管理用户不能有足够的特权来写它。使用例如％APPDATA％。这可以通过Environment类扩展。

 <   add     key   =  LogFilePath    value   = ％appdata％\YourCompany\Logs\xy.log    /  >  

  string  val = ConfigurationManager.AppSettings [  LOGFILEPATH]; 
  string  path = System.Environment.ExpandEnvironmentVariables（val）; 

Hi,

I always have doubt regarding how a path is formed whenever we run a windows app.

I have set a key like this in my app config

<add key="LogFilePath" value="..\Log\" />

When i run this from my local machine, it provides the path from where the windows app is run.

But when i run the same project from TFS, and when i try to create a file inside the Log folder , instead of the project mapped path it gives an entirely different path.


Can anyone tell me why this happens?

解决方案

I suggest you determine the relevant run-time directory-paths in code:

string appStartUp = Application.StartupPath;

string currentDirectory = Environment.CurrentDirectory;

string desktop = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);

Other useful information for global system paths can be found in the Environment.SpecialFolder Enumeration: [^].

Note that a log file must not be placed in the program folder: a non-administrative user does not have sufficient priviledges to write it. Use e.g. %appdata%. That can be expanded by the Environment class.

<add key="LogFilePath" value="%appdata%\YourCompany\Logs\xy.log" />

string val = ConfigurationManager.AppSettings["LogFilePath"];
string path = System.Environment.ExpandEnvironmentVariables(val);

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