$results= [System.Collections.Generic.List[Object]]::new()$results.AddRange((Get-Something))$results.AddRange((Get-SomethingElse))$results 使用数组相加对性能的影响会随着集合的大小和数字相加而呈指数级增长。 此代码比较了向数组显式赋值、使用数组添
(string)LanguagePrimitives.ConvertTo( input, typeof(string) ); line = line.Trim(' ','\t'); } catch (PSInvalidCastException ex) { WriteError(new ErrorRecord( ex, "CannotCastObjectToString", ErrorCategory.InvalidOperation, input) ); return null; } MatchInfo result = null; // If a...
"発生場所 行:1文字:1+ [int]$b+ ~~~ + CategoryInfo : InvalidArgument: (:) []、RuntimeException+ FullyQualifiedErrorId : InvalidCastFromStringToInteger PS C:\Users\tiand> [int]$b=4 将数据类型放在变量名称的前面会锁定变量的类型,除非通过指定另一个数据类型显式覆盖该类型 如果试图赋予与现有...
...3.枚举和数字之间转换 枚举转换为数字我们可以使用强转,例如 (int)Country.CN返回结果是 0 。...从数字转换为枚举我们有两种方法,一种是使用强转,另一种是使用 Enum 的静态方发 ToObject 。 2K10 【JAVA-Day88】Java字符串和JSON对象的转换
} |ForEach-Object{ $Methods=$_.getmethods() |Where-Object{$_.name-eq"tostring"} |%{"$_"}; If($methods-eq"System.String ToString(System.String)") { $_.fullname } } 输出: System.Enum System.DateTime System.Byte System.Convert ...
Add-Member: Adds properties to existing objects. You can useAdd-Memberto create a custom object out of a simple type, like[System.Int32]. Select-Object: Selects properties on an object. You can useSelect-Objectto create custom and calculated properties on an already instantiated object. ...
"Unable to process the request due to an internal error" After AD Upgrade "WITH" Keyword In Powershell? “The security identifier is not allowed to be the owner of this object” (Beginner) Powershell - getting machine names from a text file and run queries, functions and conditions (Except...
ScriptPSystem.ObjectDLL DLL roperty{get=$this.ImplementingType.Assembly.Location;} System.ObjectHelpUri{get=try { #oktocastCommandTypesenumtoHelpCategorybecause string/indentifierfor #cmdlet,function,filter,alias,externalscriptis identical. #itisoktofailforotherenumvalues(i.e.for Application) ScriptP$he...
ObjectModel.Collection<ChoiceDescription> choices, int defaultChoice) { throw new NotImplementedException("PromptForChoice is not implemented. The script is asking for input, which is a problem since there's no console. Make sure the script can execute without prompting the user for input."); ...
[int]$num=123#正确[int]$num=ls<#错误无法将“System.Object[]”类型的“System.Object[]”值转换为“System.Int32”类型。所在位置 行:1 字符: 1+ [int]$num=ls+ ~~~+ CategoryInfo : MetadataError: (:) [], ArgumentTransformationMetadataException+ FullyQualifiedErrorId : RuntimeException#> 类型...