if语句最常见的用法是比较两个项。 PowerShell 具有特殊运算符,可用于不同的比较方案。 当使用比较运算符时,会将左右两侧的值进行比较。 -eq(等于) -eq在两个值之间执行相等检查,以确保它们彼此相等。 PowerShell $value=Get-MysteryValueif(5-eq$value) {# do something} ...
if($a-gt2) {Write-Host"The value$ais greater than 2."}else{Write-Host("The value$ais less than or equal to 2,"+" is not created or is not initialized.") } 若要进一步优化此示例,可以使用elseif语句在$a的值等于2时显示消息。 如下一示例所示: ...
很好用: if ([int]$textbox6.text -match'\d{4}') { $global:nian=$textbox6.text} if (([int]$textbox5.text -match'\d{1}'-or[int]$textbox5.text -match'\d{2}') -and ([int]$textbox5.text -le12-and[int]$textbox5.text -ge1)) {$global:yue=$textbox5.text } if (([...
If you are developing .NET Core C# applications targeting PowerShell Core,check out our FAQto learn more about the PowerShell SDK NuGet package. Also, make sure to check out ourPowerShell-RFC repositoryfor request-for-comments (RFC) documents to submit and give comments on proposed and future...
and to read the reporting data.Connect-MgGraph-Scopes"Reports.Read.All"### GET PRINTER REPORT###if(!$UserOnly) {Write-Progress-Activity"Gathering Printer usage..."-PercentComplete-1# Get the printer usage report$printerReport=Get-MgReportMonthlyPrintUsageByPrinter-All-Filter"completedJobCount gt...
Check if a process is running check if a process or service is hanging/not responding? Check if a text file is blank in powershell check if computer exist in ou Check if drive exists, If not map Check if Email address exists in Office 365 and if exists, Create a Unique Email address...
if($srv.Status -eq "Running"){"Service is Running"} if($srv.Status -eq "Stopped"){"Service is Stopped"} } Output: Explanation:In this example, first it checks the If Service exists, and if service it exists then it enters the block and again checks if service is Running or Stopped...
if ($ver.Version.Major -gt 1) {$Host.Runspace.ThreadOptions = "ReuseThread"} Add-PsSnapin Microsoft.SharePoint.PowerShell Set-location $home # Check that this is a command-line interface and not the ISE if ($host.name -eq "ConsoleHost") { $width = 80 $sizeWindow = new-object ...
and). In doing so, it can add additional attributes to the existing parameter s. This is useful for things like enforcing corporate naming standards. It can also ADD or REMOVE parameters. If you ADD a parameter, you’ll h ave to implement the semantics of that parameter in the code that...
Null conditional operators for coalescing and assignment Often in your scripts, you may need to check if a variable is $null or if a property is $null before using it. The new Null conditional operators makes this simpler. The new??null coalescing operator removes the need forifandelsestateme...