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Windows Powershell调用静态方法

时间：2020-01-08 08:57 编辑：来源：阅读：
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摘要：Windows Powershell调用静态方法

Powershell将信息存储在对象中，每个对象都会有一个具体的类型，简单的文本会以System.String类型存储，日期会以System.DateTime类型存储。任何.NET对象都可以通过GetType()方法返回它的类型，该类型中有一个FullName属性，可以查看类型的完整名称。

[url=http://www.mossfly.com/index.php]http://www.mossfly.com/index.php[/url]" PS C:Powershell> $webClient=New-Object Net.WebClient PS C:Powershell> $webClient.DownloadFile($add,$localName) PS C:Powershell> Test-Path $localName True

查看程序集 .NET中的类型定义在不同的程序集中，首先得知道当前程序已经加载了那些程序集。AppDomain类可以完成这个需求，因为它有一个静态成员CurrentDomain，CurrentDomain中有一个GetAssemblies()方法。

[u]复制代码[/u] 代码如下:

PS C:Powershell> [AppDomain]::CurrentDomain
FriendlyName           : DefaultDomain

Id                     : 1

ApplicationDescription :

BaseDirectory          : C:WINDOWSsystem32WindowsPowerShellv1.0

DynamicDirectory       :

RelativeSearchPath     :

SetupInformation       : System.AppDomainSetup

ShadowCopyFiles        : False

PS C:Powershell> [AppDomain]::CurrentDomain.GetAssemblies()

GAC    Version        Location

---    -------        --------

True   v2.0.50727     C:WindowsMicrosoft.NETFrameworkv2.0.50727mscorlib...

True   v2.0.50727     C:WindowsassemblyGAC_MSILMicrosoft.PowerShell.Cons...

True   v2.0.50727     C:WindowsassemblyGAC_MSILSystem2.0.0.0__b77a5c561...

True   v2.0.50727     C:WindowsassemblyGAC_MSILSystem.Management.Automat...

True   v2.0.50727     C:WindowsassemblyGAC_MSILMicrosoft.PowerShell.Comm...

True   v2.0.50727     C:WindowsassemblyGAC_MSILSystem.Core3.5.0.0__b77a...

True   v2.0.50727     C:WindowsassemblyGAC_MSILSystem.Configuration.Inst...

True   v2.0.50727     C:WindowsassemblyGAC_MSILMicrosoft.WSMan.Managemen...

True   v2.0.50727     C:WindowsassemblyGAC_32System.Transactions2.0.0.0...

True   v2.0.50727     C:WindowsassemblyGAC_MSILMicrosoft.PowerShell.Comm...

True   v2.0.50727     C:WindowsassemblyGAC_MSILMicrosoft.PowerShell.Comm...

True   v2.0.50727     C:WindowsassemblyGAC_MSILMicrosoft.PowerShell.Secu...

True   v2.0           C:WindowsassemblyGAC_MSILMicrosoft.PowerShell.Cons...

True   v2.0.50727     C:WindowsassemblyGAC_MSILSystem.Xml2.0.0.0__b77a5...

True   v2.0.50727     C:WindowsassemblyGAC_MSILSystem.Management2.0.0.0...

True   v2.0.50727     C:WindowsassemblyGAC_MSILSystem.DirectoryServices...

True   v2.0           C:WindowsassemblyGAC_MSILSystem.Management.Automat...

True   v2.0           C:WindowsassemblyGAC_MSILMicrosoft.WSMan.Managemen...

True   v2.0.50727     C:WindowsMicrosoft.NETFrameworkv2.0.50727mscorlib...

True   v2.0           C:WindowsassemblyGAC_MSILMicrosoft.PowerShell.Secu...

True   v2.0.50727     C:WindowsassemblyGAC_32System.Data2.0.0.0__b77a5c...

True   v2.0           C:WindowsassemblyGAC_MSILMicrosoft.PowerShell.Comm...

True   v2.0.50727     C:WindowsassemblyGAC_MSILSystem.Configuration2.0....

True   v2.0.50727     C:WindowsassemblyGAC_MSILMicrosoft.JScript8.0.0.0...

搜索指定类型查询每个程序集中的方法可是使用GetExportedTypes() 方法。因为许多程序集中包含了大量的方法，在搜索时最好指定关键字。下面的代码演示如何查找包含”environment”关键字的类型。

[u]复制代码[/u] 代码如下:

PS C:Powershell>  [AppDomain]::CurrentDomain.GetAssemblies() | ForEach-Object { $_.GetExportedTypes() } | Where-Object { $_ -like $searchtext } | ForEach-Object { $_.FullName }
System.EnvironmentVariableTarget

System.Environment

System.Environment+SpecialFolder

System.Runtime.InteropServices.RuntimeEnvironment

System.Security.Permissions.EnvironmentPermissionAccess

System.Security.Permissions.EnvironmentPermission

System.Security.Permissions.EnvironmentPermissionAttribute

Microsoft.PowerShell.Commands.EnvironmentProvider

上面搜索到的类型有一个为：System.Environment类，System.Environment类可以做很多事情，可以先查看以下System.Environment类的所有静态方法。

[u]复制代码[/u] 代码如下:

PS C:Powershell> [Environment] | Get-Member -Static
   TypeName: System.Environment

Name                        MemberType Definition

----                         ---------- ----------

Equals                       Method     static bool Equals(System.Object objA,

Exit                         Method     static System.Void Exit(int exitCode)

ExpandEnvironmentVariables Method     static string ExpandEnvironmentVariabl

FailFast                     Method     static System.Void FailFast(string mes

GetCommandLineArgs          Method     static string[] GetCommandLineArgs()

GetEnvironmentVariable      Method     static string GetEnvironmentVariable(s

GetEnvironmentVariables     Method     static System.Collections.IDictionary

GetFolderPath               Method     static string GetFolderPath(System.Env

GetLogicalDrives            Method     static string[] GetLogicalDrives()

ReferenceEquals             Method     static bool ReferenceEquals(System.Obj

SetEnvironmentVariable      Method     static System.Void SetEnvironmentVaria

CommandLine                 Property   static System.String CommandLine {get;

CurrentDirectory            Property   static System.String CurrentDirectory

ExitCode                    Property   static System.Int32 ExitCode {get;set;

HasShutdownStarted          Property   static System.Boolean HasShutdownStart

MachineName                 Property   static System.String MachineName {get;

NewLine                     Property   static System.String NewLine {get;}

OSVersion                   Property   static System.OperatingSystem OSVersio

ProcessorCount              Property   static System.Int32 ProcessorCount {ge

StackTrace                  Property   static System.String StackTrace {get;}

SystemDirectory             Property   static System.String SystemDirectory {

TickCount                   Property   static System.Int32 TickCount {get;}

UserDomainName              Property   static System.String UserDomainName {g

UserInteractive             Property   static System.Boolean UserInteractive

UserName                    Property   static System.String UserName {get;}

Version                      Property   static System.Version Version {get;}

WorkingSet                  Property   static System.Int64 WorkingSet {get;}

例如System.Environment中的属性输出当前登录域、用户名、机器名：

[u]复制代码[/u] 代码如下:

PS C:Powershell> [Environment]::UserDomainName

MyHome

PS C:Powershell> [Environment]::UserName

xiaoming

PS C:Powershell> [Environment]::MachineName

LocalHost

搜索方法下面的例子演示如何根据指定关键字”Address”,搜索方法。

[u]复制代码[/u] 代码如下:

[AppDomain]::CurrentDomain.GetAssemblies() | ForEach-Object { $_.GetExportedTypes() } | ForEach-Object { $_.getmembers() } | Where-Object { $_.isStatic} | Where-Object { $_ -like $searchtext } | ForEach-Object { "[{0}]::{1} --> {2}" -f  $_.declaringtype, $_.toString().SubString($_.toString().IndexOf(" ")+1), $_.ReturnType }
[System.Net.IPAddress]::Parse(System.String) --> System.Net.IPAddress

[System.Net.IPAddress]::IsLoopback(System.Net.IPAddress) --> System.Boolean

[System.Net.IPAddress]::Any -->

[System.Net.IPAddress]::Loopback -->

[System.Net.IPAddress]::Broadcast -->

[System.Net.IPAddress]::None -->

[System.Net.IPAddress]::IPv6Any -->

[System.Net.IPAddress]::IPv6Loopback -->

[System.Net.IPAddress]::IPv6None -->

[System.Net.Sockets.AddressFamily]::Unknown -->

[System.Net.Sockets.AddressFamily]::Unspecified -->

[System.Net.Sockets.AddressFamily]::Unix -->

[System.Net.Sockets.AddressFamily]::InterNetwork -->

[System.Net.Sockets.AddressFamily]::ImpLink -->

[System.Net.Sockets.AddressFamily]::Pup -->

[System.Net.Sockets.AddressFamily]::Chaos -->

[System.Net.Sockets.AddressFamily]::NS -->

[System.Net.Sockets.AddressFamily]::Ipx -->

[System.Net.Sockets.AddressFamily]::Iso -->

[System.Net.Sockets.AddressFamily]::Osi -->

[System.Net.Sockets.AddressFamily]::Ecma -->

[System.Net.Sockets.AddressFamily]::DataKit -->

[System.Net.Sockets.AddressFamily]::Ccitt -->

[System.Net.Sockets.AddressFamily]::Sna -->

[System.Net.Sockets.AddressFamily]::DecNet -->

[System.Net.Sockets.AddressFamily]::DataLink -->

[System.Net.Sockets.AddressFamily]::Lat -->

[System.Net.Sockets.AddressFamily]::HyperChannel -->

[System.Net.Sockets.AddressFamily]::AppleTalk -->

[System.Net.Sockets.AddressFamily]::NetBios -->

[System.Net.Sockets.AddressFamily]::VoiceView -->

[System.Net.Sockets.AddressFamily]::FireFox -->

[System.Net.Sockets.AddressFamily]::Banyan -->

[System.Net.Sockets.AddressFamily]::Atm -->

[System.Net.Sockets.AddressFamily]::InterNetworkV6 -->

[System.Net.Sockets.AddressFamily]::Cluster -->

[System.Net.Sockets.AddressFamily]::Ieee12844 -->

[System.Net.Sockets.AddressFamily]::Irda -->

[System.Net.Sockets.AddressFamily]::NetworkDesigners -->

[System.Net.Sockets.AddressFamily]::Max -->

[System.Net.Sockets.IOControlCode]::GetBroadcastAddress -->

[System.Net.Sockets.IOControlCode]::AddressListQuery -->

[System.Net.Sockets.IOControlCode]::AddressListChange -->

[System.Net.Sockets.IOControlCode]::AddressListSort -->

[System.Net.Sockets.SocketError]::DestinationAddressRequired -->

[System.Net.Sockets.SocketError]::AddressFamilyNotSupported -->

[System.Net.Sockets.SocketError]::AddressAlreadyInUse -->

[System.Net.Sockets.SocketError]::AddressNotAvailable -->

[System.Net.Sockets.SocketOptionName]::ReuseAddress -->

[System.Net.Sockets.SocketOptionName]::ExclusiveAddressUse -->

[System.Net.NetworkInformation.DuplicateAddressDetectionState]::Invalid -->

[System.Net.NetworkInformation.DuplicateAddressDetectionState]::Tentative -->

[System.Net.NetworkInformation.DuplicateAddressDetectionState]::Duplicate -->

[System.Net.NetworkInformation.DuplicateAddressDetectionState]::Deprecated -->

[System.Net.NetworkInformation.DuplicateAddressDetectionState]::Preferred -->

[System.Net.NetworkInformation.NetworkChange]::add_NetworkAddressChanged(System

.Net.NetworkInformation.NetworkAddressChangedEventHandler) --> System.Void

[System.Net.NetworkInformation.NetworkChange]::remove_NetworkAddressChanged(Sys

tem.Net.NetworkInformation.NetworkAddressChangedEventHandler) --> System.Void

[System.Net.NetworkInformation.PhysicalAddress]::Parse(System.String) --> Syste

m.Net.NetworkInformation.PhysicalAddress

[System.Net.NetworkInformation.PhysicalAddress]::None -->

[System.Net.NetworkInformation.SuffixOrigin]::LinkLayerAddress -->

[System.DirectoryServices.ActiveDirectory.ActiveDirectorySyntax]::PresentationA

ddress -->

[Microsoft.JScript.JSError]::DoesNotHaveAnAddress -->

[Microsoft.JScript.JSError]::WrongUseOfAddressOf -->

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