我知道有很多关于使用PowerShell压缩文件的内容,但我找不到完全符合我需求的方法。
我想能够将文件夹和文件压缩成一个.zip文件,而不需要在压缩包中包含父文件夹。例如,我有一个名为STUFF的文件夹,其中包含文件/文件夹,我想将其压缩到一个名为STUFF.zip的文件夹中。这个文件夹的结构将是STUFF.zip>files/folders,而不是像我目前使用的代码一样是STUFF.zip>STUFF>files/folders。
function CountZipItems(
[__ComObject] $zipFile)
{
If ($zipFile -eq $null)
{
Throw "Value cannot be null: zipFile"
}
Write-Host ("Counting items in zip file (" + $zipFile.Self.Path + ")...")
[int] $count = CountZipItemsRecursive($zipFile)
Write-Host ($count.ToString() + " items in zip file (" `
+ $zipFile.Self.Path + ").")
return $count
}
function CountZipItemsRecursive(
[__ComObject] $parent)
{
If ($parent -eq $null)
{
Throw "Value cannot be null: parent"
}
[int] $count = 0
$parent.Items() |
ForEach-Object {
$count += 1
If ($_.IsFolder -eq $true)
{
$count += CountZipItemsRecursive($_.GetFolder)
}
}
return $count
}
function IsFileLocked(
[string] $path)
{
If ([string]::IsNullOrEmpty($path) -eq $true)
{
Throw "The path must be specified."
}
[bool] $fileExists = Test-Path $path
If ($fileExists -eq $false)
{
Throw "File does not exist (" + $path + ")"
}
[bool] $isFileLocked = $true
$file = $null
Try
{
$file = [IO.File]::Open(
$path,
[IO.FileMode]::Open,
[IO.FileAccess]::Read,
[IO.FileShare]::None)
$isFileLocked = $false
}
Catch [IO.IOException]
{
If ($_.Exception.Message.EndsWith(
"it is being used by another process.") -eq $false)
{
Throw $_.Exception
}
}
Finally
{
If ($file -ne $null)
{
$file.Close()
}
}
return $isFileLocked
}
function GetWaitInterval(
[int] $waitTime)
{
If ($waitTime -lt 1000)
{
return 100
}
ElseIf ($waitTime -lt 5000)
{
return 1000
}
Else
{
return 5000
}
}
function WaitForZipOperationToFinish(
[__ComObject] $zipFile,
[int] $expectedNumberOfItemsInZipFile)
{
If ($zipFile -eq $null)
{
Throw "Value cannot be null: zipFile"
}
ElseIf ($expectedNumberOfItemsInZipFile -lt 1)
{
Throw "The expected number of items in the zip file must be specified."
}
Write-Host -NoNewLine "Waiting for zip operation to finish..."
Start-Sleep -Milliseconds 1000 # ensure zip operation had time to start
[int] $waitTime = 0
[int] $maxWaitTime = 60 * 1000 # [milliseconds]
while($waitTime -lt $maxWaitTime)
{
[int] $waitInterval = GetWaitInterval($waitTime)
Write-Host -NoNewLine "."
Start-Sleep -Milliseconds $waitInterval
$waitTime += $waitInterval
Write-Debug ("Wait time: " + $waitTime / 1000 + " seconds")
[bool] $isFileLocked = IsFileLocked($zipFile.Self.Path)
If ($isFileLocked -eq $true)
{
Write-Debug "Zip file is locked by another process."
Continue
}
Else
{
Break
}
}
Write-Host
If ($waitTime -ge $maxWaitTime)
{
Throw "Timeout exceeded waiting for zip operation"
}
[int] $count = CountZipItems($zipFile)
If ($count -eq $expectedNumberOfItemsInZipFile)
{
Write-Debug "The zip operation completed succesfully."
}
ElseIf ($count -eq 0)
{
Throw ("Zip file is empty. This can occur if the operation is" `
+ " cancelled by the user.")
}
ElseIf ($count -gt $expectedCount)
{
Throw "Zip file contains more than the expected number of items."
}
}
function ZipFolder(
[IO.DirectoryInfo] $directory)
{
If ($directory -eq $null)
{
Throw "Value cannot be null: directory"
}
Write-Host ("Creating zip file for folder (" + $directory.FullName + ")...")
[IO.DirectoryInfo] $parentDir = $directory.Parent
[string] $zipFileName
If ($parentDir.FullName.EndsWith("\") -eq $true)
{
# e.g. $parentDir = "C:\"
$zipFileName = $parentDir.FullName + $directory.Name + ".zip"
}
Else
{
$zipFileName = $parentDir.FullName + "\" + $directory.Name + ".zip"
#$zipFileName = $directory.Name + ".zip"
#$zipFileName = $parentDir.FullName + ".zip"
}
If (Test-Path $zipFileName)
{
Throw "Zip file already exists ($zipFileName)."
}
Set-Content $zipFileName ("PK" + [char]5 + [char]6 + ("$([char]0)" * 18))
$shellApp = New-Object -ComObject Shell.Application
$zipFile = $shellApp.NameSpace($zipFileName)
If ($zipFile -eq $null)
{
Throw "Failed to get zip file object."
}
[int] $expectedCount = (Get-ChildItem $directory -Force -Recurse).Count
$expectedCount += 1 # account for the top-level folder
$zipFile.CopyHere($directory.FullName)
#Get-ChildItem $directory | foreach {$zipFile.CopyHere($_.fullname)}
# wait for CopyHere operation to complete
WaitForZipOperationToFinish $zipFile $expectedCount
Write-Host -Fore Green ("Successfully created zip file for folder (" `
+ $directory.FullName + ").")
}
使用方法
Remove-Item "H:\STUFF.zip"
[IO.DirectoryInfo] $directory = Get-Item "H:\STUFF"
ZipFolder $directory
这段代码的完整来源在这里。非常感谢任何帮助,这个功能对我的项目至关重要!不幸的是,我不能使用Community Extension模块,因为其他计算机没有安装此模块。
谢谢!