无法使用 System.IO.Compression.FileSystem.dll [英] Unable to use System.IO.Compression.FileSystem.dll

问题描述

我正在尝试让这个 Powershell 代码工作:

I am trying to get this Powershell code to work:

     Add-Type -Path 'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\System.IO.Compression.FileSystem.dll'
     $startPath = "D:\nade\CBA\Zip\StartPath"
     $zipPath = "D:\nade\CBA\Zip\result.zip"
     $extractPath = "D:\nade\CBA\Zip\Extract"
     [System.IO.Compression.FileSystem.ZipFile]::CreateFromDirectory($startPath, $zipPath)
     [System.IO.Compression.FileSystem.ZipFile]::ExtractToDirectory($zipPath, $extractPath)

但是我收到以下错误:

Unable to find type [System.IO.Compression.FileSystem.ZipFile]. Make sure that the assembly that contains this type is loaded.

我曾尝试使用位于此处的其他 DLL:

I have tried using the other DLL located here:

C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.1\System.IO.Compression.FileSystem.dll

但是我仍然遇到同样的错误.

However I still get the same error.

如何正确导入这个库?

我已经尝试了以下所有方法，但都没有奏效:

I have tried all of the following, none of them worked:

[System.Reflection.Assembly]::LoadWithPartialName("System.IO.Compression.FileSystem")
Add-Type -Path 'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.1\System.IO.Compression.FileSystem.dll'
Add-Type -Path 'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\System.IO.Compression.FileSystem.dll'
Add-type -AssemblyName "System.IO.Compression.FileSystem"

推荐答案

原来我使用了不正确的命名空间.

Turns out I was using an incorrect namespace.

ZipFile 位于 System.IO.Compression 命名空间中，而程序集称为 System.IO.Compression.FileSystem.dll.

ZipFile is located in the System.IO.Compression namespace, whereas the assembly is called System.IO.Compression.FileSystem.dll.

即.它与加载程序集无关，我只需要使用正确的命名空间:

Ie. it had nothing to do with loading the assembly, I just need to use the correct namespace:

     [System.IO.Compression.ZipFile]::CreateFromDirectory($startPath, $zipPath)
     [System.IO.Compression.ZipFile]::ExtractToDirectory($zipPath, $extractPath)

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