所有其他類型的實例都是PSObject實例。PSTypeNames屬性包含前面加上還原串行化的原始類型名稱,例如Deserialized.System.Data.DataTable AllScope 選項 變數和別名具有Option屬性,可接受 AllScope的值。 具有AllScope屬性的項目會成為您所建立之任何子範圍一部分,不過它們不會由父範圍追溯繼承。
Hit Command breakpoint on'prompt:test-cmdlet'test-cmdlet[DBG]: C:\PS> cProcessEntering debug mode. Use h or ?forhelp. Hit Command breakpoint on'prompt:test-cmdlet'test-cmdlet[DBG]: C:\PS> cEndEntering debug mode. Use h or ?forhelp. Hit Command breakpoint on'prompt:test-cmdlet'test-...
作为一种语言,PowerShell 在版本间的工作方式相同;它是你使用的受版本兼容性影响的 cmdlet、模块和 .NET API。 通常,在 PowerShell 6.1 及更高版本中工作的脚本适用于 Windows PowerShell 5.1,但也有一些例外情况。 PSScriptAnalyzer版本 1.18+ 具有PSUseCompatibleCommands和PSUseCompatibleTypes等规则,这...
$a = 12 # System.Int32 $a = "Word" # System.String $a = 12, "Word" # array of System.Int32, System.String $a = Get-ChildItem C:\Windows # FileInfo and DirectoryInfo types 您可以使用型別屬性和轉換表示法,確保變數只能包含可以轉換成該類型的特定物件類型或物件。 如果您嘗試指派另一個...
An operator is a language element that you can use in a command or expression. PowerShell supports several types of operators to help you manipulate values. Arithmetic Operators Use arithmetic operators (+,-,*,/,%) to calculate values in a command or expression. With these operators, you can...
Input types To see the input types that this cmdlet accepts, seeCmdlet Input and Output Types. If the Input Type field for a cmdlet is blank, the cmdlet doesn't accept input data. Outputs Output types To see the return types, which are also known as output types, that this cmdlet accep...
Output types To see the return types, which are also known as output types, that this cmdlet accepts, see Cmdlet Input and Output Types. If the Output Type field is blank, the cmdlet doesn't return data.Feedback Was this page helpful? Yes No Provide product feedback ...
A case in point is when a numeric value is assigned to a variable but the variable needs to be string object. To control this you can cast the variable as the type you need, like this: PowerShell Copy PS> $strval = [string]'7' Another benefit of objects is the ability to group...
The data types in PowerShell (integer, long integer, double, and decimal) are built on the .NET data types of the same names. Administrative Numeric Constants Since computer administrators rarely get the chance to work with numbers in even powers of 10, PowerShell offers the numeric constants...
$env:APPDATA 获得HOME目录 $env:HOMEPATH 获得处理器个数NUMBER_OF_PROCESSORS 注意:这是处理器的线程数 $env:NUMBER_OF_PROCESSORS 获得处理器的架构 $env:PROCESSOR_ARCHITECTURE 获得OS类型 $env:OS 获得Path信息 $env:Path 获得Windows目录 $env:windir ...