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 複製 ...
Variablecontents can't be modified at all. This option must already bespecified when the variable is created. Once specified thisoption cannot be changed. "Private" Thevariable is visible only in a particular context (localvariable). "AllScope" Thevariable is automatically copied in a new variab...
索引0 鍵是Integer。 您可以使用任何 Hashtable 方法來存取儲存的值。 複製 PS> 'Good Dog' -match 'Dog' True PS> $Matches[0] Dog PS> $Matches.Item(0) Dog PS> $Matches.0 Dog 具名擷取根據預設,擷取會以遞增的數值順序儲存,從左至右。您也可以將名稱指派給擷取群組。 此名稱會...
$variable = "Hello, World!" 这将创建一个名为$variable的变量,并将字符串"Hello, World!"赋值给它。 如果要为变量赋值一个数字,可以使用以下语法: 代码语言:txt 复制 $number = 42 这将创建一个名为$number的变量,并将数字42赋值给它。 如果要为变量赋值一个数组,可以使用以下语法: 代码语言:txt 复制 ...
IntegerValue EnumName --- --- 0 Unknown 1 Open 2 Opening 3 Closing 4 Closed GetEnumNames 反映GetEnumNames() 方法會將每個列舉值的名稱當做字串傳回。 輸出包含同義字。 Syntax 複製 [<enum-name>].GetEnumNames() PowerShell 複製 enum Season { Unknown Spring Summer Autumn Winter Fall = 3...
For more on this, see the book, “PowerShell in Action, Second Edition,” by Bruce Payette (Manning Publications, 2011). $_ is a PowerShell automatic variable and contains the current object in the pipeline. The end result, an array of 10 ...
a variable essentially forces the variable to be of the System.String class. Assigning a number to a variable, on the other hand, usually results in the variable becoming an Integer (or, more specifically, an Int32, which can store a specific range of values). Consider this, for example:...
在PowerShell中声明多个变量的最佳方法是使用逗号分隔的方式进行声明。这种方式可以在一行代码中同时声明多个变量,并且可以为每个变量赋予不同的值。 例如,假设我们需要声明三个变量:$var1,$...
Select-Object gets the properties LogMode, MaximumSizeInBytes, RecordCount, LogName, and uses a calculated expression to display the ComputerName using the $Server variable. The objects are sent down the pipeline to the Format-Table cmdlet to display the output in the Po...
Example 3: Invoke a script and pass in variable values from a string PowerShell Copy $StringArray = "MYVAR1='String1'", "MYVAR2='String2'" Invoke-Sqlcmd -Query "SELECT `$(MYVAR1) AS Var1, `$(MYVAR2) AS Var2" -Variable $StringArray Var1 Var2 --- --- String1 String...