functionSend-Greeting{ [OutputType([String])]Param($Name)"Hello,$Name"} 若要查看生成的输出类型属性,请使用Get-Commandcmdlet。 PowerShell (Get-CommandSend-Greeting).OutputType Output Name Type ---- ---- System.String System.St
Output 复制 Count : 3 Average : Sum : Maximum : Minimum : Property : 若要强制脚本块或函数将集合作为单个对象返回到管道,请使用以下两种方法之一: 一元数组表达式 利用一元表达式,可以将返回值作为单个对象向下发送,如以下示例所示。 PowerShell 复制 function Test-Return { $array = 1,2,3 return (...
2.帮助参数 (?):在任何 cmdlet 上指定 -? 参数时,PowerShell 将显示该 cmdlet 的帮助。 Get-Service -? 3.通用参数: 参数由 PowerShell 引擎控制, 通用参数的行为方式始终相同。 通用参数: WhatIf、Confirm、Verbose、Debug、Warn、ErrorAction、ErrorVariable、OutVariable 和 OutBuffer 4.建议的参数名称:Power...
变量提供程序在驱动器中Variable:公开其数据存储。 若要使用变量,可以将位置更改为 Variable: 驱动器 (Set-Location Variable:) ,也可以从任何其他 PowerShell 驱动器工作。 若要从其他位置引用变量,请在路径中使用驱动器名称 (Variable:)。 PowerShell 复制 Set-Location Variable: 若要返回到文件系统驱动器...
function f {return @(1)} Write-Host (f).GetType() 上述代码的输出是System.Int32。 function f {Write-Output -NoEnumerate @(1)} Write-Host (f).GetType() 上述代码的输出是System.Object[]。 我们可以发现使用了Write-Output -NoEnumerate后数组没被展开。 七、别名 别名是cmdlet或其他命令(如函数等...
functionAdd-Numbers([int]$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...
Root CurrentLocation --- --- --- --- A FileSystem A:\ Alias Alias C FileSystem C:\ ...And Settings\me cert Certificate \ D FileSystem D:\ Env Environment Function Function HKCU Registry HKEY_CURRENT_USER HKLM Registry HKEY_LOCAL_MACHINE Variable Variable 虽然显示内容中的驱动器与系统上...
Function, variable, class, and other symbol references CodeLens reference support shows the number of times a symbol is referenced within your code and allows you to jump to specific references. PSScriptAnalyzer integration PSScriptAnalyzeris a PowerShell module that provides a static source code ch...
Fix infinite loop in variable type inference (#25206) (Thanks @MartinGC94!) Update Microsoft.PowerShell.PSResourceGet version in PSGalleryModules.csproj (#25135) Add tooltips for hashtable key completions (#17864) (Thanks @MartinGC94!) Fix type inference of parameters in classic functions (#...
Figure 1** A look at the System.String class output **(Click the image for a larger view) Many of the string variable's capabilities are more useful in an administrative context than the string functions in a language like VBScript. Suppose you've written a script that reads in Universal...