#1.使用New-Variable命令实例PSC:\test>New-Variable num-Value100-Force-Option readonly #option选项 在创建变量时给变量加上只读属性PSC:\test>new-variable num-Value"strong"-Option constant #常量一旦声明不可修改,权限更高的变量选项Constant,PSC:\t
Variable Alias shcm -> Show-Command Alias si -> Set-Item Alias sl -> Set-Location Alias sleep -> Start-Sleep Alias sls -> Select-String Alias sort -> Sort-Object Alias sp -> Set-ItemProperty Alias spjb -> Stop-Job Alias spps -> Stop-Process Alias spsv -> Stop-Service Alias ...
PowerShell 复制 PS> [int[]] $numbers = 1,2,3 PS> [int[]] $numbers2 = 'one','two','three' ERROR: Cannot convert value "one" to type "System.Int32". Input string was not in a correct format." PS> [string[]] $strings = 'one','two','three' ArrayList...
PS> "file" + 16 file16 PS> 16 + "file" InvalidArgument: can't convert value "file" to type "System.Int32". Error: "Input string wasn't in a correct format." 哈希表的情况略有不同。 只要添加的哈希表没有重复键,就可以将哈希表添加到另一个哈希表。 以下示例演示如何相互添加哈希...
variable to divide each file's length by# 1 KiloBytes$size= @{Label="Size(KB)";Expression={$_.Length/1KB}}# Create an additional calculated property with the number of Days since the# file was last accessed. You can also shorten the key names to be 'l', and 'e',# or use Name ...
As you can see, all we’re doing here is assigning a value to a variable named $yes. Note that you can name this variable anything you want; it doesnothave to have the same name as the option. Even though we’re setting up a Yes option we could have named the variable $watermelon...
Use the type operators (-is,-isnot,-as) to find or change the .NET type of an object. For more information, seeabout_Type_Operators. Unary Operators Use the unary++and--operators to increment or decrement values and-for negation. For example, to increment the variable$afrom9to10, you...
Windows PowerShell reserves a few parameter names, referred to as Common parameters, which you can't use: WhatIf, Confirm, Verbose, Debug, ErrorAction, ErrorVariable, OutVariable, and OutBuffer. In addition, the following aliases for these parameter names are reserved: vb, db, ea, ev, ov...
TypeName: System.Management.Automation.PSStyle Name MemberType Definition --- --- --- Equals Method static bool Equals(System.Object objA, System.Object objB) MapBackgroundColorToEscapeSequence Method static string MapBackgroundColorToEscapeSequence(System.ConsoleColor bac… MapColorPairToEscapeSeq...
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 ...