if语句最常见的用法是比较两个项。 PowerShell 具有特殊运算符,可用于不同的比较方案。 当使用比较运算符时,会将左右两侧的值进行比较。 -eq(等于) -eq在两个值之间执行相等检查,以确保它们彼此相等。 PowerShell $value=Get-MysteryValueif(5-eq$value) {# do something} 在此示例中,
PowerShell 中有一些運算子可讓您將命令包裝至下一行。 如果您想要將表達式分成多行,邏輯運算子-and和-or是很好的運算符。 PowerShell if($null-ne$user-and$user.Department-eq'Finance'-and$user.Title-match'Senior'-and$user.HomeDrive-notlike'\\server\*') {# Do Something} ...
很好用: if ([int]$textbox6.text -match'\d{4}') { $global:nian=$textbox6.text} if (([int]$textbox5.text -match'\d{1}'-or[int]$textbox5.text -match'\d{2}') -and ([int]$textbox5.text -le12-and[int]$textbox5.text -ge1)) {$global:yue=$textbox5.text } if (([...
if($a-gt2) {Write-Host"The value$ais greater than 2."}elseif($a-eq2) {Write-Host"The value$ais equal to 2."}else{Write-Host("The value$ais less than 2 or"+" was not created or initialized.") } 使用三元运算符语法 PowerShell 7.0 引入了使用三元运算符的新语法。 它遵循 C# 三元...
This is an experiment we are trying in our repositories, to see if it helps move discussions out of issues so that issues remain actionable by the team or members of the community. There should be no expectation that PowerShell team members are regular participants in these discussions. Individ...
if($srv.Status -eq "Running"){"Service is Running"} if($srv.Status -eq "Stopped"){"Service is Stopped"} } Output: Explanation:In this example, first it checks the If Service exists, and if service it exists then it enters the block and again checks if service is Running or Stopped...
これらの式は、-and 演算子と -or 演算子を使用して相互に結合できますが、かっこを使用して部分式に分割することが必要な場合があります。 PowerShell コピー if ( (Get-Process) -and (Get-Service) ) $null の確認 結果がなかったり、if ステートメントで $null 値が$false と評価され...
Delete the msix blob if it's already there (#24353) Make some release tests run in a hosted pools (#24270) Create new pipeline for compliance (#24252) Use Managed Identity for APIScan authentication (#24243) Check Create and Submit in vPack build by default (#24181) Capture environment...
Starting or restarting (if already started) the WinRM service 2. Setting the WinRM service type to auto start 3. Creating a listener to accept requests on any IP address 4. Enabling firewall exception for WS-Management traffic (for http only). Do you want to continue? [Y] Yes [A] ...
You aren't required to use any of these blocks in your functions. If you don't use a named block, then PowerShell puts the code in theendblock of the function. However, if you use any of these named blocks, or define adynamicparamblock, you must put all code in a named block. ...