powershell ParameterSet解析 自定义PowerShell函数,在设置参数的时候中,可以将参数设置为某些情况下可选,某些条件下又设置为必选。 示例代码从网站复制的。 1functionConnect-Somewhere2{3[CmdletBinding(DefaultParameterSetName='A')]4param5(6[Parameter(ParameterSetName='A',Mandatory=$false)]7[Parameter(Paramete...
Get-ChildItem: Parameter set cannot be resolved using the specified named parameters. One or more parameters issued cannot be used together or an insufficient number of parameters were provided. Path和LiteralPath参数对于 cmdlet 的不同参数集是唯一的Get-ChildItem。 当参数在同一 cmdlet 中一起运行时,将...
1.ParameterSetName可以设置成任何字符,但当你使用了其中某一个ParameterSetName的参数时,只有相同的ParameterSetName的参数或是没有设置ParameterSetName的参数(相当于是共用的参数)可以使用,其他的ParameterSetName的参数就会被互斥给排除掉. 2.当两个ParameterSetName的参数都被设定为强制(Mandatory)时,不会因为互斥而...
Unique parameter Each parameter set must have a unique parameter that the PowerShell runtime uses to expose the appropriate parameter set. If possible, the unique parameter should be a mandatory parameter. When a parameter is mandatory, the user must specify the parameter, and the PowerShell run...
每个cmdlet 还有一个默认参数集。 如果未指定参数集唯一的参数,则使用默认参数集。 例如,如果使用Get-Random不带参数,PowerShell 会假定你使用的是RandomNumberParameterSet参数集,并且它返回一个随机数。 语法图中的符号 语法关系图列出了命令名称、命令参数和参数值。
If you don’t specify which one you want, it is ambiguous. But let’s say that as the script author, you know that 9 out of 10 times people are going to want the p2 parameterset. Do you really want to make people type in the parametername every time just to get around this ambig...
Parameter Set:Default Invoke-WebRequest[-Uri]<Uri>[-Body<Object>][-Certificate<X509Certificate>][-CertificateThumbprint<String>][-ContentType<String>][-Credential<PSCredential>][-DisableKeepAlive][-Headers<IDictionary>][-InFile<String>][-MaximumRedirection<Int32>][-Method<WebRequestMethod>{Default|...
ParameterSetBreakingChangeAttribute(String[], String, String, String) C# Copy public ParameterSetBreakingChangeAttribute (string[] changedParameterSet, string deprecateByAzVersion, string deprecateByVersion, string changeInEfectByDate); Parameters changedParameterSet String[]...
Parameter Position If thePositionsetting is set to a non-negative integer, the parameter name is not required. This type of parameter is referred to as a positional parameter, and the number indicates the position in which the parameter must appear in relation to other positional parameters. A ...
Risk Management Parameter Descriptions See also Short description Describes the parameters that can be used with any cmdlet. Long description The common parameters are a set of cmdlet parameters that you can use with any cmdlet. They're implemented by PowerShell, not by the cmdlet developer, and...