如何使用PowerShell读取/写入App.config设置? [英] How do I read/write App.config settings with PowerShell?
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问题描述
我想将PowerShell用作我们自动构建过程的一部分,以在部署到我们的测试环境中时更新App.config文件.我该怎么办?
I'd like to use PowerShell as part of our automated build process to update an App.config file while deploying into our test environment. How can I do this?
推荐答案
给出此示例App.config:C:\ Sample \ App.config:
Given this sample App.config: C:\Sample\App.config:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<connectionStrings>
<add name="dbConnectionString"
connectionString="Data Source=(local);Initial Catalog=Northwind;Integrated Security=True"/>
</connectionStrings>
</configuration>
以下脚本C:\ Sample \ Script.ps1将读取和写入设置:
The following script, C:\Sample\Script.ps1, will read and write a setting:
# get the directory of this script file
$currentDirectory = [IO.Path]::GetDirectoryName($MyInvocation.MyCommand.Path)
# get the full path and file name of the App.config file in the same directory as this script
$appConfigFile = [IO.Path]::Combine($currentDirectory, 'App.config')
# initialize the xml object
$appConfig = New-Object XML
# load the config file as an xml object
$appConfig.Load($appConfigFile)
# iterate over the settings
foreach($connectionString in $appConfig.configuration.connectionStrings.add)
{
# write the name to the console
'name: ' + $connectionString.name
# write the connection string to the console
'connectionString: ' + $connectionString.connectionString
# change the connection string
$connectionString.connectionString = 'Data Source=(local);Initial Catalog=MyDB;Integrated Security=True'
}
# save the updated config file
$appConfig.Save($appConfigFile)
执行脚本:
PS C:\Sample> .\Script.ps1
输出:
name: dbConnectionString
connectionString: Data Source=(local);Initial Catalog=Northwind;Integrated Security=True
更新后的C:\ Sample \ App.config:
Updated C:\Sample\App.config:
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<connectionStrings>
<add name="dbConnectionString"
connectionString="Data Source=(local);Initial Catalog=MyDB;Integrated Security=True" />
</connectionStrings>
</configuration>
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