[int]$number=8$number="12345"# The string is converted to an integer.$number="Hello" Output Cannot convert value "Hello" to type "System.Int32". Error: "Input string was not in a correct format." At line:1 char:1 + $number = "Hello" + ~~~ + CategoryInfo : MetadataError: (:)...
NAME Get-HotFix SYNOPSIS Gets the hotfixes that are installed on local or remote computers. SYNTAX Get-HotFix [-ComputerName <System.String[]>] [-Credential <System.Management.Automation.PSCredential>] [-Description <System.String[]>] [<CommonParameters>] Get-HotFix [[-Id] <System.String[]>...
Output复制 TypeName: System.String Name MemberType Definition --- --- --- Length Property int Length {get;} 有关PowerShell 中的变量的详细信息,请参阅about_Variables。 使用环境提供程序和项 cmdlet PowerShell的环境提供程序提供了一个接口,用于以类似于文件系统驱动器的格式与环境变量交互。 它允许你...
有关ErrorAction 参数的详细信息,请参阅 about_CommonParameters。 有关 $ErrorActionPreference 变量的详细信息,请参阅 about_Preference_Variables。Try/CatchPowerShell(以及许多其他语言)中的异常处理方式是,先对一部分代码执行 try,如果引发错误,则对其执行 catch。 下面是一个简单的例子。
private string _name = "PowerShellIsolatedStore"; /// name of store [Parameter] public string Name { get { return _name; } set { _name = value; } } When you create a parameter, you should choose whether it is positional or named. With a positional parameter you don't need to prov...
默认值是本地计算机上的$PSSessionConfigurationName首选项变量的值。 如果未设置此首选项变量,则默认值为 Microsoft.PowerShell。 有关详细信息,请参阅about_Preference_Variables。 类型:String Position:Named 默认值:None 必需:False 接受管道输入:True 接受通配符:False ...
Get-WinEvent [-MaxEvents <Int64>] [-ComputerName <String>] [-Credential <PSCredential>] [-FilterXml] <XmlDocument> [-Oldest] [<CommonParameters>]说明此cmdlet 仅在 Windows 平台上可用。 Get-WinEvent cmdlet 从事件日志(包括经典日志)获取事件,例如系统和应用程序日志。 该 cmdlet 从 Windows Vista ...
Replacement with a script block In PowerShell 6 and later, the -replace operator also accepts a script block that performs the replacement. The script block runs once for every match. Syntax: PowerShell Copy <String> -replace <regular-expression>, {<Script-block>} Within the script ...
Referencing Variables and Variable Values Removing Items From Arrays The String’s the Thing Three Things You Might Not Know About Windows PowerShell Functions Using Windows PowerShell “Here-Strings” Using the Range Operator in Wildcard Queries What Is (and What Isn’t) in Our Array? Windows ...
Add completion for variables assigned by command redirection (#25104) (Thanks @MartinGC94!) Handle type inference for redirected commands (#21131) (Thanks @MartinGC94!) Allow empty prefix string in Import-Module -Prefix to override default prefix in manifest (#20409) (Thanks @MartinGC94!) ...