PowerShell 複製 $MyVariable = 1, 2, 3 $Path = "C:\Windows\System32" 變數可用於儲存命令的結果。例如:PowerShell 複製 $Processes = Get-Process $Today = (Get-Date).DateTime 若要顯示變數的值,請輸入變數名稱,前面加上貨幣符號 ($)。例如:PowerShell 複製 ...
如果要从当前会话中删除这些函数,请从FunctionPSDrive 中删除它们,或关闭并重新打开 PowerShell。 PowerShell Get-ChildItem-PathFunction:\Get-*Version |Remove-Item 验证函数是否确实已删除。 PowerShell Get-ChildItem-PathFunction:\Get-*Version 如果函数是作为模块的一部分加载的,则可以卸载模块来删除它们。
MetadataError: The attribute cannot be added because variable Message with value bye would no longer be valid. 如需索引標籤展開的詳細資訊,請參閱 about_Tab_Expansion。使用類別的動態 ValidateSet 值您可以使用 類別,在運行時間動態產生 ValidateSet 的值。 在下列範例中,變數$Sound的有效值是透過名為 ...
param( [ValidateDrive("C", "D", "Variable", "Function")] [string]$Path ) ValidateUserDrive 驗證屬性 ValidateUserDrive 屬性會指定參數值必須在磁碟驅動器中User表示。 如果路徑參考不同的磁碟驅動器,PowerShell 會產生錯誤。 驗證屬性只會測試路徑的磁碟驅動器前置詞是否存在。 如果您使用相...
InformationAction 的有效值為 SilentlyContinue、Stop、Continue、Inquire、Ignore 或 Suspend,預設值為 SilentlyContinue。 針對來自命令的 Write-Host 資料,您可使用 InformationVariable 將字串指定為要儲存的變數名稱。 InformationPreference (新的喜好設定變數) 能指定您在 Windows PowerShell 工作階段中針對資訊串流資料...
Update variable/property assignment completion so it can fallback to type inference (#21134) (Thanks @MartinGC94!) Use Get-Help approach to find about_*.help.txt files with correct locale for completions (#24194) (Thanks @MartinGC94!) Use script filepath when completing relative paths for ...
functionAdd-Numbers([int]$One, [int]$Two) {$One+$Two} While the first method is preferred, there's no difference between these two methods. 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 va...
A PowerShell array is a component that enables the storage of more than one item in a variable or a field. For instance, to assign multiple values to a variable, use the script$a=1,2,3. PowerShell treats each item in an array as a separate element. To address each item in an arra...
Set-Variable -scope Global -name SqlServerMaximumTabCompletion -Value 1000 # Load the snapins, type data, format data Push-Location cd $sqlpsPath Add-PSSnapin SqlServerCmdletSnapin100 Add-PSSnapin SqlServerProviderSnapin100 Update-TypeData -PrependPath SQLProvider.Types.ps1xml ...
Update variable/property assignment completion so it can fallback to type inference (#21134) (Thanks @MartinGC94!) Use Get-Help approach to find about_*.help.txt files with correct locale for completions (#24194) (Thanks @MartinGC94!) Use script filepath when completing relative paths for ...