例如,如果 Initialize.ps1 寫入參考訊息並設定 $ExampleState 變數: PowerShell 複製 if ([string]::IsNullOrEmpty($ExampleState)) { Write-Information "Example not initialized." Write-Information "Initializing now..." $ExampleState = 'Initialized' } else { Write-Information "Example already initial...
{ $this.Cards += "$Value of $Suit" } } $this.Shuffle() } [void] Shuffle() { $this.Cards = $this.Cards + $this.Dealt | Where-Object -FilterScript { -not [string]::IsNullOrEmpty($_) } | Get-Random -Count $this.Cards.Count } [string] Deal() { if ($this.Cards.Count -eq...
有一項檢查可確保所報告的進程實際上是使用IsNullOrEmpty()方法執行。 如果進程尚未啟動,迴圈將不會報告它,並移至下一個,直到它進入已啟動的進程為止。 如果行程已啟動,則會使用目前索引鍵中的哈希表將參數分割至Write-Progress。 完整範例 PowerShell # Example workload$dataset= @( @{ Id =1Wait =3..10|ge...
string.IsNullOrEmpty(str)) { // Remove \r\n that is added by Out-String. this.myHost.UI.WriteErrorLine(str.Substring(0, str.Length - 2)); } } } finally { // Dispose of the pipeline line and set it to null, locked because currentPowerShell // may be accessed by the ctrl-C ...
Select-Object @{Name='_record_number';Expression={'999'}},* |#-Example Adding new column to End Select-Object *,@{Name='column3';Expression={'setvalue'}}ForEach-Object {if( (![string]::IsNullOrEmpty($_.client_dob)) -and([datetime]$_.client_dob -lt(Get-Date1900-01-01) ) ) ...
IsNullOrEmpty($null).EXAMPLEAn example showing use with the pipeline:@(1,'',2,'String',$null,@(),@(3,4,5)) | Where-Object { -not (IsNullOrEmpty($_)) } | Write-HostOnly writes array elements to the console if they are not $null or empty....
($ctx,$userName)return$curUser-ne $null}functionIsNullOrEmpty($str){if($str){return$false}else{return$true}}if([System.IO.File]::Exists($FullPathOfCsvFile)-eq $true){if(IsNullOrEmpty($AdDomain)){Write-Host Domain Name不能为空return}if(IsNullOrEmpty($AdContainer)){Write-HostADContainer不...
($element.port)"Write-Host$addr$newThumbprint# netsh删除原有监听端口netsh http delete sslcert ipport=$addr# netsh添加端口netsh http add sslcert ipport=$addrcerthash=$newThumbprintappid=$applicationID# 如果对象path不为空且存在,将证书拷贝到项目路径下if(![string]::IsNullOrEmpty($element.path)) {...
=value2 程序启动,主窗体加载,获取配置节,即服务组。...,参考链接:http://www.cnblogs.com/mahongbiao/p/3751153.html 服务的启动和停止,需要引入System.ServiceProcess程序集。..." + value); 35 } 36 // 37 } 38 // 39 MessageBox.Show("服务启动完成"); 停止服务组 1 if (string.IsNullOrEmpty....
In this second example, three variables are defined: $greeting with the value “Hello”, $name with the value “Alice”, and $age with the value 30. The if statement checks if the $name variable has a value using the IsNullorEmpty() method. If true, we create a message that concatenate...