新增-Scope、*-Alias和*-PSDrive命令的*-Variable自變數完成器 (#20451) (感謝@ArmaanMcleod) 新增-Module命令的完成Save-Help/Update-Help(#20678)(感謝 @ArmaanMcleod) 新的Cmdlet 新增ConvertTo-CliXml和ConvertFrom-CliXmlCmdlet(#21063)(感謝
[Environment]::GetEnvironmentVariable('Foo') Output复制 Bar 可以通过为变量的值指定空字符串,使用SetEnvironmentVariable()方法删除环境变量。 例如,若要删除环境变量,请执行以下操作Foo: PowerShell复制 [Environment]::SetEnvironmentVariable('Foo','') [Environment]::GetEnvironmentVariable('Foo') Output复制 ...
[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: (:)...
并且,PowerShell 有一个 cmdlet ConvertFrom-StringData,用于将字符串转换为 hashtable。 语法 语法hashtable 如下所示: PowerShell 复制 @{ <name> = <value>; [<name> = <value> ] ...} 有序字典的语法如下所示: PowerShell 复制 [ordered]@{ <name> = <value>; [<name> = <value> ] .....
Allow empty prefix string in Import-Module -Prefix to override default prefix in manifest (#20409) (Thanks @MartinGC94!) Update variable/property assignment completion so it can fallback to type inference (#21134) (Thanks @MartinGC94!) Use Get-Help approach to find about_*.help.txt files...
Property values that aren't expressed as an integer must be enclosed in quotation marks ("). Expand table Type: String Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard characters: False Applies to: Exchange Server 2010, Exchange Server 2013, ...
Only allowed types can be used in PowerShell. Other types aren't permitted. Type conversion is permitted, but only when the result is an allowed type. Cmdlet parameters that convert string input to types work only when the resulting type is an allowed type. The ToString() method and the ...
You can specify multiple criteria by using the and comparison operator. Property values that aren't expressed as an integer must be enclosed in quotation marks ("). Type:String Position:Named Default value:None Required:False Accept pipeline input:False ...
Though it is common to store a string in a variable and use dotted notation to retrieve thelengthproperty, thelengthproperty is also directly accessible from a string. Tab expansion does not pick it up, but it is available nonetheless. This technique is shown here: ...
Allow empty prefix string in Import-Module -Prefix to override default prefix in manifest (#20409) (Thanks @MartinGC94!) Update variable/property assignment completion so it can fallback to type inference (#21134) (Thanks @MartinGC94!) Use Get-Help approach to find about_*.help.txt files...