function TestFunction { param ( [switch] $100, [string] $200 ) "100: $100" "200: $200" } If you try to use the parameters, PowerShell interprets them as strings passed as positional parameter. PowerShell Copy PS> TestFunction -100 -200 Hello 100: False 200: -100 ...
自动$_变量包含传递给switch语句的表达式的值,可用于计算和在 语句的范围内<result-to-be-matched>使用。 完整的switch语句语法如下所示: Syntax switch [-regex | -wildcard | -exact] [-casesensitive] (<test-expression>) { "string" | number | variable | { <value-scriptblock> } { <action-script...
A function can also be as complex as a cmdlet or an application. Like cmdlets, functions can have parameters. The parameters can be named, positional, switch, or dynamic parameters. Function parameters can be read from the command line or from the pipeline. Functions can return values that ca...
在 React 中，一些 HTML 元素，比如 input 和 textarea，具有 onChange 事件。onChange 事件是一个非常...
functionMyFunction{ param([switch]$A) if($a-eq$true) {"真的"} else {"假的"} } #执行如下语句 MyFunction 假的 #执行如下语句 MyFunction-A 真的 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 问题现象 但是在PowerShell workflow中,且套用两层workfolw...
PowerShell 複製 function MyArgumentCompleter { Param( [Parameter(Mandatory)] [ArgumentCompleter( { param ( $commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameters ) # Perform calculation of tab completed values here. } )] $ParamName ) } ...
FunctionTest-ScriptCmdlet{ [CmdletBinding(SupportsShouldProcess=$True)]Param($Parameter1)begin{}process{}end{} } 备注 这些块适用于所有函数,而不仅仅是使用CmdletBinding属性的函数。 begin 此块用于为函数提供可选的一次性预处理。 PowerShell 运行时会为管道中函数的每个实例使用此块中的代码一次。
Select-String [-Culture <String>] [-Pattern] <String[]> [-Path] <String[]> [-SimpleMatch] [-CaseSensitive] [-Quiet] [-List] [-NoEmphasis] [-Include <String[]>] [-Exclude <String[]>] [-NotMatch] [-AllMatches] [-Encoding <Encoding>] [-Context <Int32[]>] [<CommonParameters>]...
$PSBoundParameters 以键和值的格式显示。 PowerShell 复制 function Test1 { param($a, $b) # Display the parameters in dictionary format. $PSBoundParameters } function Test2 { param($a, $b) # Run the Test1 function with $a and $b. Test1 @PSBoundParameters } PowerShell 复制 Test2 -...
[-Filter <ScriptBlock>] [-Limit <String>] [-WebApplication <SPWebApplicationPipeBind>] [-WhatIf [<SwitchParameter>]] [<CommonParameters>] Get-SPSite -Identity <SPSitePipeBind> [-AssignmentCollection <SPAssignmentCollection>] [-Confirm [<SwitchParameter>]] [-Filter <ScriptBlock>] [-Limit ...