比较PowerShell中的软件版本号

$version1 = "1.2.3"
$version2 = "1.2.4"

if ($version1 -lt $version2) {
    Write-Host "Version 1 is older than Version 2"
} elseif ($version1 -gt $version2) {
    Write-Host "Version 1 is newer than Version 2"
} else {
    Write-Host "Version 1 is equal to Version 2"
}

$version1 = [System.Version]"1.2.3"
$version2 = [System.Version]"1.2.4"

if ($version1 -lt $version2) {
    Write-Host "Version 1 is older than Version 2"
} elseif ($version1 -gt $version2) {
    Write-Host "Version 1 is newer than Version 2"
} else {
    Write-Host "Version 1 is equal to Version 2"
}

$version1 = "1.2.3"
$version2 = "1.2.4"

$result = Compare-Object -ReferenceObject $version1 -DifferenceObject $version2

if ($result.Count -eq 0) {
    Write-Host "Version 1 is equal to Version 2"
} elseif ($result[0].SideIndicator -eq "<=") {
    Write-Host "Version 1 is older than Version 2"
} else {
    Write-Host "Version 1 is newer than Version 2"
}