最简单的if语句包含单个命令,不包含任何elseif语句或任何else语句。 以下示例显示了 语句的最简单形式if: PowerShell if($a-gt2) {Write-Host"The value$ais greater than 2."} 在此示例中,如果$a变量大于2,则条件的计算结果为 true,并且语句列表将运行。 但是,如果$a小于或等于2或不是现有变量,则if
functionTest-WriteError{Write-Error"Bad""The `$? variable is: $?"}Test-WriteError"Now the `$? variable is: $?" Output複製 Test-WriteError: Line | 7 | Test-WriteError | ~~~ | Bad The $? variable is: False Now the $? variable is: True 針對後者的目的,應該...
Set-Variable New-Variable Remove-Variable Clear-Variable GetType 描述:获取变量的类型 代码语言:javascript 代码运行次数:0 运行 AI代码解释 PSC:\Users\WeiyiGeek>Get-Help gettype*PSC:\Users\WeiyiGeek>$var=1024;$var.gettype()IsPublic IsSerial Name BaseType---True True Int32 System.ValueType New-Vari...
Though the swap trick seems to work however the "equals" method is not usable for my case because, my variable at times can have string at times (it's fetched from another source and by the time it reaches my code block, it can be either string or boolean and that'...
true -InputObject <System.ServiceProcess.ServiceController[]> Specifies ServiceController objects that represent the services to stop. Enter a variable that contains the objects, or type a command or expression that gets the objects. Required? true Position? 0 Default value None Accept pipeline input...
The value is: 1 The value is: 2 The value is: 4 如果需要一个可以接受管道输入或参数输入的函数,则process块需要处理这两种情况。 例如: PowerShell functionGet-SumOfNumbers{param( [int[]]$Numbers)begin{$retValue=0}process{if($null-ne$Numbers) {foreach($nin$Numbers) {$retValue+=$n} }else...
When you run the function, the value you supply for a parameter is assigned to a variable that contains the parameter name. The value of that variable can be used in the function. The following example is a function calledGet-SmallFiles. This function has a$Sizeparameter. The function displa...
New-Variable参考 反馈 模块: Microsoft.PowerShell.Utility 创建新变量。语法PowerShell 复制 New-Variable [-Name] <String> [[-Value] <Object>] [-Description <String>] [-Option <ScopedItemOptions>] [-Visibility <SessionStateEntryVisibility>] [-Force] [-PassThru] [-Scope <String>] [-WhatIf]...
Windows PowerShell reserves a few parameter names, referred to as Common parameters, which you can't use: WhatIf, Confirm, Verbose, Debug, ErrorAction, ErrorVariable, OutVariable, and OutBuffer. In addition, the following aliases for these parameter names are reserved: vb, db, ea, ev, ov...
$status="standby"$zookeeperNotified=$false$startParams="unknown"functionMock-NotifyZk{Set-Variable-NamezookeeperNotified-Value$true-Scopescript}functionMock-StartService{Set-Variable-NamestartParams-Value$args[1]-Scopescript}Set-Alias-NameTest-PeerWorkMode-ValueMock-TestPeerWorkModeSet-Alias-Name.\tools...