PowerShell 複製 $MyVariable = 1, 2, 3 $Path = "C:\Windows\System32" 變數可用於儲存命令的結果。例如:PowerShell 複製 $Processes = Get-Process $Today = (Get-Date).DateTime 若要顯示變數的值,請輸入變數名稱,前面加上貨幣符號 ($)。例如:PowerShell
MetadataError: The attribute cannot be added because variable Message with value bye would no longer be valid. 如需索引標籤展開的詳細資訊,請參閱 about_Tab_Expansion。使用類別的動態 ValidateSet 值您可以使用 類別,在運行時間動態產生 ValidateSet 的值。 在下列範例中,變數$Sound的有效值是透過名為 ...
# NOTE: We are reusing the values saved in the $credential variable from the above example.# Connect to the Instance and retrieve all databasesGet-SqlDatabase-ServerInstanceServerB-Credential$credential 下面是 Get-SqlDatabase 命令返回的内容的示例: ...
问Powershell:使用一个下拉框中的选项作为另一个下拉框中的变量EN本质上，第二个框中的SELECT查询需要...
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 ...
= null) { result.Path = path.Path; result.LineNumber = lineNumber; WriteObject(result); } else { // Add the block(line) that did not match to the // collection of non matches , which will be stored // in the SessionState variable $NonMatches nonMatches.Add(items[0]); } ...
New-Variable 描述:以在定义变量时指定变量的一些其它属性,比如访问权限描述; 变量的选项是一个枚举值包含: “None”:默认设置 “ReadOnly”:变量只读,但是可以通过-Force 选项更新。 “Constant”:常量一旦声明,在当前控制台不能更新。 “Private”:只在当前作用域可见,不能贯穿到其它作用域 ...
HistorySearchCursorMovesToEnd = $true Colors = @{ Command = [ConsoleColor]::Gray Number = [ConsoleColor]::DarkGreen Member = [ConsoleColor]::DarkMagenta Operator = [ConsoleColor]::DarkBlue Type = [ConsoleColor]::DarkRed Variable = [ConsoleColor]::DarkYellow ...
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 assignment operators (=,+=,-=,*=,/=,%=) to assign, change, or append values to variables. You can combine arithmetic operators with assignment to assign the result of the arithmetic operation to a variable. For more information, seeabout_Assignment_Operators. ...