functionAdd-Numbers([int]$one, [int]$two) {$one+$two} 虽然第一种方法是首选方法,但这两种方法之间没有区别。 运行函数时,为参数提供的值将分配给包含参数名称的变量。 该变量的值可以在 函数中使用。 以下示例是一个名为 的Get-SmallFiles函数。 此函数具有$Size参数。 函数显示小于
Always specify a datatype for the variables used for parameters. In the following example, String is specified as the datatype for the ComputerName parameter. This validation limits it to only allow a single computer name to be specified for the ComputerName parameter. PowerShell Copy function...
ValidateTrustedData 驗證屬性 此屬性是由 PowerShell 本身在內部使用,不適用於外部使用。 已在PowerShell 6.1.1 中新增此屬性。 另請參閱 about_Automatic_Variables about_Functions about_Functions_Advanced about_Functions_Advanced_Methods about_Functions_CmdletBindingAttribute about_Functions_OutputType...
如果包括参数名称,参数可以按任意顺序显示。 可以在定义新属性和方法值的脚本块中使用$this自动变量。$this变量是指要向其添加属性和方法的对象实例。 有关$this变量的详细信息,请参阅about_Automatic_Variables。 相关链接
Runs a script in the current scope so that any functions, aliases, and variables that the script creates are added to the current scope, overriding existing ones. Parameters declared by the script become variables. Parameters for which no value has been given become variables with no value. How...
Combo Box (组合框)控件很简单，可以节省空间。从用户角度来看，这个控件是由一个文本输入控件和一个...
Preference variables offer a variety of behaviors, from not writing anything to asking whether the message should be written before continuing.I use these in my sample cmdlets a little more than you might because I want to show how they can help. If you have complicated code that needs more...
PowerShell 复制 # create mutable value type PS> Add-Type 'public struct Foo { public int x; }' # Create an instance and store it in a variable first # and then modify its property via the variable. PS> $var = [Foo]::new() PS> $var.x = 1 PS> $var.x 1 ...
Most people know how easy it is to use Windows PowerShell to retrieve information about environment variables. Want to see all your environment variables and their values? This command should do the trick: Get-ChildItem Env: In turn, you should get back information similar to this extract: ...
In order to use splatting to join the commands and the default values, we’ll need to keep creatinghashtablesto provide the input. The technique I’ve learned to use for this is pretty simple. Find all of the variables that have a name that matches the input for a command, and put ...