ValidateNotNullAttribute:限制变量不能为空 ValidateNotNullOrEmptyAttribute:限制变量不等为空,不能为空字符串,不能为空集合 ValidatePatternAttribute:限制变量要满足制定的正则表达式 ValidateRangeAttribute:限制变量的取值范围 ValidateSetAttribute:限制变量的取值集合 ValidateNotNullAttribute 例子 ValidateNotNullOrEmptyAtt...
[CmdletBinding()]param( [Parameter(Mandatory)] [string[]]$ComputerName) Write-Output$ComputerName} 如果需要指定一个默认参数需要将ValidateNotNullOrEmpty参数验证属性与默认值一起使用,不过不能与必需(Mandatory)参数一起使用! functionTest-MrParameterValidation { [CmdletBinding()]param( [ValidateNotNullOrEmpt...
此属性用于 脚本参数 或变量,指定该参数不能为 $null、空字符串或空数组,或作为包含 $null 值或空字符串元素的集合中的元素。 请考虑函数调用 Test,它具有以下参数块,调用方式如下: PowerShell 复制 param ( [ValidateNotNullOrEmpty()] [string[]] $Names ) Test "Jack", "Jill" # ok Test "Mary",...
param( [Parameter(Mandatory)] [AllowEmptyCollection()] [string[]]$ComputerName ) ValidateCount 验证属性 ValidateCount 属性指定参数接受的最小和最大参数值数。 如果调用函数的命令中的参数值数超出该范围,则 PowerShell 将生成错误。 以下参数声明创建一个 ComputerName 参数,该参数采用一到五个参数...
ToString("P")}} -First 5 ` | ft -a } #主函数 #入参,间隔时间, CPU阈值 function main{ param( [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()][int] $sleeptime, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()][int] $cpu_set ) $count = 0 while(1){ $count += 1 ...
ValidateNotNull ValidateNotNullOrEmpty ~Sean Thank you, Sean. You absolutely ROCK! Guest Blogger Week will continue tomorrow when Sean will bring us Part 7. I invite you to follow me onTwitterandFacebook. If you have any questions, send email to me atscripter@microsoft.com, or post your ...
param( [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()][int]$sleeptime, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()][int]$cpu_set ) $count=0 while(1){ $count+=1 echo"Check CPU times :$count" if($(all_cpu)*100-gt$cpu_set){ ...
function Uninstall-AzModule { [CmdletBinding(SupportsShouldProcess)] param( [ValidateNotNullOrEmpty()] [ValidateSet('Az','AzureRM','Azure')] [string]$Name = 'Az', [Parameter(Mandatory)] [string]$Version, [switch]$AllowPrerelease ) $Params = @{} if ($PSBoundParameters.AllowPrerelease) { ...
Param ( [Parameter(Mandatory = $True, Position = 0)] [ValidateNotNullOrEmpty()] [String] $Path, [Parameter(Mandatory = $True, Position = 1)] [ValidateNotNullOrEmpty()] [String] $Destination, [Switch] $FailIfExists ) $MethodDefinition = @’ ...
Here's a skeleton of a check function you can use to get started. Make sure it either doesn't return at all or returns $null if nothing interesting is found. Function Get-GPOThing { [cmdletbinding()] Param ( [Parameter(Mandatory=$true)][ValidateNotNullOrEmpty()] [System.Xml.XmlElement...