缺少NuGet包

我研究了这个问题，但没有一个解决办法有效。我安装了Visual Studio Professional 2015，我正在使用TFS。我的NuGet版本是3.1.6。这个问题只发生在我的c# Web API/MVC项目中。

我得到以下错误:

这个项目引用了NuGet包(s)，这是缺失的电脑。使用NuGet包还原来下载它们。更多的信息，见http://go.microsoft.com/fwlink/?LinkID=322105。的丢失的文件是 . . \ \ Microsoft.Net.Compilers.1.0.0 \制造\ Microsoft.Net.Compilers.props包

I do not have .nuget folder in my solutions. I have a packages folder in the solution and when I delete it, it seems like NuGet does rebuild the dependencies but the project still has the above error. I tried removing the project from TFS and it didn't fix it. Along with the above error, all the references in the project have yellow warning signs and say they are missing. When I checked the NuGet Package Manager for the project, everything that is "missing" has a green tick next to it, including Microsoft.Net.Compilers. I tried adding a new Web API/MVC project and it faced a similar problem where most references such as Owin were "missing" with the yellow warning sign.

当前回答

只要启用NuGet包恢复。右键单击您的解决方案>选择“启用NuGet包恢复”。

这将创建带有NuGet的. NuGet文件夹。配置文件，并解决了我的问题。

2017-05-09 11:09:13

其他回答

注意——这将更新整个解决方案的包，而不仅仅是项目。

如果你还有一个丢失的nuget包，在构建解决方案时给出错误，请使用以下命令，从工具> nuget包管理器>包管理器控制台使用nuget命令控制台。它将重新安装您的所有当前包。

Update-Package –reinstall

更新:

您可以将特定的项目名称作为参数传递。

Update-Package –reinstall -ProjectName SampleApp

2015-08-30 13:04:06

解决方案中的文件夹名为”。网络项目”。通过将其重命名为“NET Project”，一切都很正常。所以一开始的点是个坏主意。

2019-04-24 10:51:24

我通过从.csproj文件中删除以下代码解决了这个问题

<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
<PropertyGroup>
  <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
</PropertyGroup>
<Error Condition="!Exists('..\..\..\Assemblies\NuGet\SpecFlow.Plus.Excel.1.4.2\build\SpecFlow.Plus.Excel.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\Assemblies\NuGet\SpecFlow.Plus.Excel.1.4.2\build\SpecFlow.Plus.Excel.targets'))" />

2016-11-19 13:55:40

如果使用package，也会得到这个错误。与此构建命令一起配置

MSBuild.exe /t:Restore MySln.sln

在这种情况下，要么切换到nuget恢复命令，要么使用PackageReference。

2020-01-17 10:05:20

这似乎有多种原因。

对于我来说，.csproj文件包含了对Microsoft.Bcl.Build.targets两个不同版本的引用:

<Import Project="..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" />
<Target Name="EnsureBclBuildImported" BeforeTargets="BeforeBuild" Condition="'$(BclBuildImported)' == ''">
    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=317567." HelpKeyword="BCLBUILD2001" />
    <Error Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="The build restored NuGet packages. Build the project again to include these packages in the build. For more information, see http://go.microsoft.com/fwlink/?LinkID=317568." HelpKeyword="BCLBUILD2002" />
</Target>


<Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
    <PropertyGroup>
        <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
    </PropertyGroup>
    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
</Target>

我删除了旧的参考，它解决了这个问题。

2019-10-28 20:34:26

缺少NuGet包

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