如需設定自定義預設值的相關信息,請參閱 about_Parameters_Default_Values。 參數屬性數據表 當您使用 Cmdlet 的 Full、Parameter 或Get-Help 參數時,Get-Help會顯示參數屬性數據表,其中包含參數的詳細資訊。 這項資訊包含您需要知道才能使用 參數的詳細數據。例如,Cmdlet 的說明主題 Get-ChildItem 包含其 Path 參數...
about_Parameters_Default_Values about_Parameter_Sets about_Parsing about_Path_Syntax about_Pipelines about_Pipeline_Chain_Operators about_PowerShell_Config about_PowerShell_Editions about_Preference_Variables about_Profiles about_Prompts about_Properties ...
While this works fine, it has one downside if I want to check for the value A instead: As A is the parameter’s default value it won’t be added to $PSBoundParameters when the parameter is omitted and the default value is applied. So I need to modify my check to explicitely check ...
I pipe objects toFormat-Tablecmdlet only to get truncated output because I forgot to use-Wrap. I’m sure you all have parameters whose default value you would gladly change – at least for your
ParameterSetName Parameters --- --- Path [-Path] <string[]> [-Lines] [-Words] [-Characters] [-Recurse] [<CommonParameters>] PathAll [-Path] <string[]> -All [-Recurse] [<CommonParameters>] LiteralPath -LiteralPath <string[]> [-Lines] [-Words] [-Characters] [<CommonParameters>] ...
从PowerShell 5.1 开始,重定向运算符 (>,>>) 调用Out-Filecmdlet。 因此,可以使用首选项变量设置它们$PSDefaultParameterValues的默认编码,如以下示例所示: PowerShell复制 $PSDefaultParameterValues['Out-File:Encoding'] ='utf8' 使用以下语句更改具有 Encoding 参数的所有 cmdlet 的默认编码。
For more information about dynamic parameters in functions, see about_Functions_Advanced_Parameters. Named Parameters You can define any number of named parameters. You can include a default value for named parameters, as described later in this topic. You can define parameters inside the braces ...
Optional parameters have a default value, which is the value that is used or assumed when the parameter is not specified in the command. For example, the default value of theComputerNameparameter of many cmdlets is the name of the local computer. As a result, the local computer name is us...
#SYNTAXGet-Help[[-Name]<string>][<CommonParameters>]#OPTIONS-Category<string[]>-Component<string[]>-Functionality<string[]>-Name<string>-Parameter<string>-Path<string>-Role<string[]><CommonParameters> 基础实例: 代码语言:javascript 代码运行次数:0 ...
[Parameter(Position = 0)] public string UserName { get { return userName; } set { userName = value; } } private string userName; Switch ParametersPowerShell provides a System.Management.Automation.SwitchParameter type that allows you to define a parameter whose default value false unless the par...