下面的示例中显示的函数在foreach循环中具有内联注释。 虽然这种特定注释可能并不难找到,但如果函数包含数百个代码行,就很麻烦。 PowerShell functionTest-MrVerboseOutput{ [CmdletBinding()]param( [ValidateNotNullOrEmpty()] [string[]]$ComputerName=$env:COMPUTERNAME)foreach($Computerin$ComputerName) {#Attem...
param( [Parameter(Mandatory)] [AllowEmptyString()] [string]$ComputerName ) AllowEmptyCollection 验证属性AllowEmptyCollection 属性允许强制参数的值为空集合 @()。 以下示例声明一个可以具有空集合值的 ComputerName 参数。PowerShell 复制 param( [Parameter(Mandatory)] [AllowEmptyCollection()] ...
[AllowEmptyString] [AllowNull] [ArgumentCompleter] [ArgumentCompletions] [array] [bigint] [bool] [byte] [char] [cimclass] [cimconverter] [ciminstance] [CimSession] [cimtype] [CmdletBinding] [cultureinfo] [datetime] [decimal] [double]
For simplicity, however, I use a local data store in the form of a simple Product class: Copy public class Product { public readonly string ID, Name, Price; public Product(string id, string name, string price) { ID = id; Name = name; Price = price; } } Data for Product ...
验证一个变量是否存在,仍然可以象验证文件系统那样,使用Test-Path。为什么?因为变量存在变量驱动器中。 7、删除变量 因为变量会在powershell退出或关闭时,自动清除。一般没必要删除,但是你非得删除,也可以象删除文件那样删除它。 8、使用专用的变量命令 为了管理变量,powershell提供了五个专门管理变量的命令Clear-Variabl...
[ValidateNotNullorEmpty()] [System.String]$ServerName, [System.String]$DomainName, [System.String]$CARootName, [System.String]$CAServerFQDN, [System.String]$CertSubject, [System.String]$SMBShare, [Parameter(Mandatory=$true)] [ValidateNotNullorEmpty()] [PsCredential]$Credential) Configuration ...
functionGet-FunctionPosition{ [CmdletBinding()] [OutputType('FunctionPosition')]param( [Parameter(Position =0, Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName)] [ValidateNotNullOrEmpty()] [Alias('PSPath')] [System.String[]]$Path)process{try{$filesToProcess=if($_-is[System.IO.File...
Well, because the here-string is not assigned to a variable the script will simply print out the value of that here-string, like so:Copy "Curiouser and curiouser!" cried Alice (she was so much surprised, that for the moment she quite forgot how to speak good English); "now I'm ...
The SearchQuery parameter specifies a search string or a query formatted using Keyword Query Language (KQL). For more information about KQL in Exchange, seeMessage properties and search operators for In-Place eDiscovery. If this parameter is empty, all messages are returned. ...
If this evaluation fails, then an empty string is passed along. Otherwise, if found, then 'it' issetto "", before the value is passed along. This is so that 'it', is cleared in case the use of later interaction doesn't overwrite it. ...