我正在自动执行Windows Store应用程序的部署,我想自动设置用户通常会在设置超级按钮中配置的设置之一。我了解到,设置存储在settings.dat
文件中,可以在注册表中打开文件。但这是一个二进制文件,我不知道如何通过Powershell编辑所需的设置。这是我什至可以做的事还是值得吗?谢谢。
这就是特定设置的样子regedit
当注册表文件未加载到注册表中时,AFAIK无法对其进行编辑。我玩了一段时间,并找到了一种解决方法,但是您需要将注册表文件临时加载到注册表中并在其中进行编辑。看来您需要使用reg.exe
此功能。
另一个问题是在此注册表文件中使用的自定义属性类型(5f5e10c
而不是例如REG_BINARY
)。双方的PowerShell和.NET API的似乎不能够加载它们或正确保存。我必须导出密钥,在.reg
文件中对其进行编辑,然后将其重新导入。
如本博客文章所述,要考虑的另一个特殊之处是所有编码值中都包含时间戳记。
这是我设法在注释中添加其他说明的有效脚本(您需要以管理员身份运行它,否则加载注册表文件将失败):
# full path to the registry file to edit
$settingsFile = "c:\Users\Damir\AppData\Local\Packages\113f4f59-2aa3-455b-8531-185f633c1ffe_ecet6zh215f6e\Settings\settings.dat"
# setting name to change
$settingKey = "ServerUrl"
# new setting value
$newValue = "http://prodserver.local/esign/"
# name of temporary .reg file
$regFile = ".\settings.reg"
# temporary registry location to import registry file into
$registryImportLocation = "HKLM\_TMP"
# prefix matching the setting in the .reg file
$settingKeyPattern = """$settingKey""="
# load the settings file into registry
reg load $registryImportLocation $settingsFile
# export the settings into .reg file
reg export $registryImportLocation $regFile
$fileContents = Get-Content $regFile
$finalContents = @()
$processing = $false
Foreach ($line in $fileContents)
{
If (-Not ($processing))
{
If ($line.StartsWith($settingKeyPattern))
{
# setting key found, stop copying file contents
$processing = $true
# read key value without its name
$oldSerializedValue = $line.Replace($settingKeyPattern, "")
}
Else
{
# setting key not found yet, copy old file contents to output
$finalContents += $line
}
}
else
{
# value can span multiple lines, trim leading spaces from non-first lines
$oldSerializedValue += $line.TrimStart(" ")
}
If ($processing)
{
If ($oldSerializedValue.EndsWith("\"))
{
# trailing \ indicates non-final line with key value
$oldSerializedValue = $oldSerializedValue.TrimEnd("\")
}
Else
{
# split key type and value
$match = $oldSerializedValue -match '(.*:)(.*)'
# final 8 bytes are timestamp of the value - don't modify
$timestamp = $matches[2].Substring($matches[2].Length - 23)
# encode new value in UTF-16
$newValueInBytes = [System.Text.Encoding]::Unicode.GetBytes($newValue)
# key name and type
$newValue = $settingKeyPattern + $matches[1]
# encode byte array into required string format
Foreach ($byte in $newValueInBytes)
{
$newValue += [System.Convert]::ToString($byte, 16).PadLeft(2, "0") + ","
}
# end null character string terminator
$newValue += "00,00," + $timestamp
$finalContents += $newValue
# reenable copying of the remaining file
$processing = $false
}
}
}
# dump new file contents to file
$finalContents | Out-File $regFile
# import the changed value into registry
reg import $regFile
# onload the registry file from registry
reg unload $registryImportLocation
# delete temporary file
Remove-Item $regFile
您需要对其进行一些修改,以将其包括在部署过程中,但这应该可以帮助您入门。
编辑:我写了一个附带的博客文章,描述了答案背后的思考过程。它提供了更深入的说明,并链接到包装以上脚本的PowerShell函数实现。
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我来说两句