NuGet 引用存储在哪里？

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【中文标题】NuGet 引用存储在哪里？【英文标题】：Where is the NuGet reference stored? 【发布时间】：2018-09-04 12:06:26 【问题描述】：

我无法让this C# solution (click to download - 666MB 或browse on GitHub here) 编译：

我得到的错误是

此项目引用此计算机上缺少的 NuGet 包。使用 NuGet 包还原下载它们。有关详细信息，请参阅http://go.microsoft.com/fwlink/?LinkID=322105。缺少的文件是 ..\packages\Accord.3.8.0\build\Accord.targets。 bootcamp_basecamera C:\Users\MyUser\Desktop\ComputerVision_Bootcamp-master\bootcamp_basecamera\bootcamp_basecamera\bootcamp_basecamera.csproj 144

boot_camp_basecamera.csproj 中有问题的行是：

<Error Condition="!Exists('..\packages\Accord.3.8.0\build\Accord.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Accord.3.8.0\build\Accord.targets'))" />

我在 *** 上查看了所有 NuGet 问题/解决方案，但没有一个答案对我有用。

我尝试了包还原，我手动卸载了所有 NuGet 包并重新安装。

这并没有使错误消息消失。

因此，我想问一下这个错误消息的确切来源。 它说“这个项目引用......”。 我什至删除了 package.config 文件，但我仍然看到此错误。

因此我想问一下这个引用的确切存储位置，因为它不能是 packages.config（因为我删除了它们）。

谢谢。

根据请求，这里是相关 .csproj 文件的内容：

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <Import Project="..\packages\OpenCvSharp3-AnyCPU.3.3.1.20171117\build\OpenCvSharp3-AnyCPU.props" Condition="Exists('..\packages\OpenCvSharp3-AnyCPU.3.3.1.20171117\build\OpenCvSharp3-AnyCPU.props')" />
  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProjectGuid>10F276C8-F8C8-43FB-90F3-B3F1F0B74A2C</ProjectGuid>
    <OutputType>WinExe</OutputType>
    <RootNamespace>Bootcamp.CompVis.Webinar</RootNamespace>
    <AssemblyName>webinar</AssemblyName>
    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
    <FileAlignment>512</FileAlignment>
    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
    <NuGetPackageImportStamp>
    </NuGetPackageImportStamp>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <PlatformTarget>x64</PlatformTarget>
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <Optimize>false</Optimize>
    <OutputPath>bin\Debug\</OutputPath>
    <DefineConstants>DEBUG;TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <PlatformTarget>x86</PlatformTarget>
    <DebugType>pdbonly</DebugType>
    <Optimize>true</Optimize>
    <OutputPath>bin\Release\</OutputPath>
    <DefineConstants>TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
    <DebugSymbols>true</DebugSymbols>
    <OutputPath>bin\x64\Debug\</OutputPath>
    <DefineConstants>DEBUG;TRACE</DefineConstants>
    <DebugType>full</DebugType>
    <PlatformTarget>x64</PlatformTarget>
    <ErrorReport>prompt</ErrorReport>
    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
    <Prefer32Bit>true</Prefer32Bit>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
    <OutputPath>bin\x64\Release\</OutputPath>
    <DefineConstants>TRACE</DefineConstants>
    <Optimize>true</Optimize>
    <DebugType>pdbonly</DebugType>
    <PlatformTarget>x64</PlatformTarget>
    <ErrorReport>prompt</ErrorReport>
    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
    <Prefer32Bit>true</Prefer32Bit>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="Accord, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.3.8.2-alpha\lib\net46\Accord.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Controls.Imaging, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.Controls.Imaging.3.8.2-alpha\lib\net46\Accord.Controls.Imaging.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Imaging, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.Imaging.3.8.2-alpha\lib\net46\Accord.Imaging.dll</HintPath>
    </Reference>
    <Reference Include="Accord.MachineLearning, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.MachineLearning.3.8.2-alpha\lib\net46\Accord.MachineLearning.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Math, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.Math.3.8.2-alpha\lib\net46\Accord.Math.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Math.Core, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.Math.3.8.2-alpha\lib\net46\Accord.Math.Core.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Statistics, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.Statistics.3.8.2-alpha\lib\net46\Accord.Statistics.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Video, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.Video.3.8.2-alpha\lib\net46\Accord.Video.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Video.DirectShow, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.Video.DirectShow.3.8.2-alpha\lib\net46\Accord.Video.DirectShow.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Vision, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..\packages\Accord.Vision.3.8.2-alpha\lib\net46\Accord.Vision.dll</HintPath>
    </Reference>
    <Reference Include="DlibDotNet, Version=1.0.0.0, Culture=neutral, processorArchitecture=AMD64">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>dlib\DlibDotNet.dll</HintPath>
    </Reference>
    <Reference Include="DlibDotNet.Extensions, Version=1.0.0.0, Culture=neutral, processorArchitecture=AMD64">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>dlib\DlibDotNet.Extensions.dll</HintPath>
    </Reference>
    <Reference Include="OpenCvSharp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6adad1e807fea099, processorArchitecture=MSIL">
      <HintPath>..\packages\OpenCvSharp3-AnyCPU.3.3.1.20171117\lib\net46\OpenCvSharp.dll</HintPath>
    </Reference>
    <Reference Include="OpenCvSharp.Blob, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6adad1e807fea099, processorArchitecture=MSIL">
      <HintPath>..\packages\OpenCvSharp3-AnyCPU.3.3.1.20171117\lib\net46\OpenCvSharp.Blob.dll</HintPath>
    </Reference>
    <Reference Include="OpenCvSharp.Extensions, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6adad1e807fea099, processorArchitecture=MSIL">
      <HintPath>..\packages\OpenCvSharp3-AnyCPU.3.3.1.20171117\lib\net46\OpenCvSharp.Extensions.dll</HintPath>
    </Reference>
    <Reference Include="OpenCvSharp.UserInterface, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6adad1e807fea099, processorArchitecture=MSIL">
      <HintPath>..\packages\OpenCvSharp3-AnyCPU.3.3.1.20171117\lib\net46\OpenCvSharp.UserInterface.dll</HintPath>
    </Reference>
    <Reference Include="PresentationCore" />
    <Reference Include="System" />
    <Reference Include="System.Core" />
    <Reference Include="System.Xml.Linq" />
    <Reference Include="System.Data.DataSetExtensions" />
    <Reference Include="Microsoft.CSharp" />
    <Reference Include="System.Data" />
    <Reference Include="System.Deployment" />
    <Reference Include="System.Drawing" />
    <Reference Include="System.Net.Http" />
    <Reference Include="System.Windows.Forms" />
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
    <Compile Include="MainForm.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="MainForm.Designer.cs">
      <DependentUpon>MainForm.cs</DependentUpon>
    </Compile>
    <Compile Include="Program.cs" />
    <Compile Include="Properties\AssemblyInfo.cs" />
    <Compile Include="Utility.cs" />
    <EmbeddedResource Include="MainForm.resx">
      <DependentUpon>MainForm.cs</DependentUpon>
    </EmbeddedResource>
    <EmbeddedResource Include="Properties\Resources.resx">
      <Generator>ResXFileCodeGenerator</Generator>
      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
      <SubType>Designer</SubType>
    </EmbeddedResource>
    <Compile Include="Properties\Resources.Designer.cs">
      <AutoGen>True</AutoGen>
      <DependentUpon>Resources.resx</DependentUpon>
      <DesignTime>True</DesignTime>
    </Compile>
    <None Include="shape_predictor_68_face_landmarks.dat">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
    <None Include="packages.config" />
    <None Include="Properties\Settings.settings">
      <Generator>SettingsSingleFileGenerator</Generator>
      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
    </None>
    <Compile Include="Properties\Settings.Designer.cs">
      <AutoGen>True</AutoGen>
      <DependentUpon>Settings.settings</DependentUpon>
      <DesignTimeSharedInput>True</DesignTimeSharedInput>
    </Compile>
  </ItemGroup>
  <ItemGroup>
    <None Include="App.config">
      <SubType>Designer</SubType>
    </None>
  </ItemGroup>
  <ItemGroup>
    <Content Include="swap.jpg">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
    <None Include="dlib\DlibDotNet.dll" />
    <None Include="dlib\DlibDotNet.Extensions.dll" />
    <Content Include="DlibDotNet.Native.dll">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
    <Content Include="input.jpg">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
  <Import Project="..\packages\Accord.3.8.2-alpha\build\Accord.targets" Condition="Exists('..\packages\Accord.3.8.2-alpha\build\Accord.targets')" />
  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
    <PropertyGroup>
      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is 0.</ErrorText>
    </PropertyGroup>
    <Error Condition="!Exists('..\packages\Accord.3.8.2-alpha\build\Accord.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Accord.3.8.2-alpha\build\Accord.targets'))" />
    <Error Condition="!Exists('..\packages\OpenCvSharp3-AnyCPU.3.3.1.20171117\build\OpenCvSharp3-AnyCPU.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\OpenCvSharp3-AnyCPU.3.3.1.20171117\build\OpenCvSharp3-AnyCPU.props'))" />
  </Target>
</Project>

【问题讨论】：

您是否尝试过错误消息中链接中提供的步骤？ 根据报错，好像是csproj文件的第144行。你介意检查一下吗？ 嗯，不是 7000 而是所有合适的，实际上大约 6 小时。够了吗？ 为什么要删除 packages.config？ 你想要一个“包还原”：docs.microsoft.com/en-us/nuget/consume-packages/package-restore 【参考方案1】：

问题是目录结构是

bootcamp_complete.sln bootcamp_basecamera/ bootcamp_basecamera.sln bootcamp_basecamera/ bootcamp_basecamera.csproj

即.csproj 有两层深，并且有两个 .sln。 .csproj 中的 HintPaths 只有 ..\package，即它们是为 bootcamp_basecamera.sln 恢复的包设置的，而不是 bootcamp_complete.sln。

所以我认为你的选择是

    打开每个子项目自己的 .sln 并在那里恢复包 - 下载的文件有很多重复，但如果您只需要单独使用它们并且它们不相互依赖，这可能会更容易 修改 .csprojs 以将提示路径设置为 ..\..\package 而不是 ..\package 更改文件夹结构：删除带有自己的 .sln 文件的中间文件夹，因此 bootcamp_basecamera.csproj 仅在根目录的一个文件夹深度，然后更新*** .sln 以进行路径更改

【讨论】：

非常感谢！！【参考方案2】：

有一些方法可以安装丢失的包

您可以删除解决方案目录下 packages 文件夹中的所有文件，然后 您可以通过右键单击解决方案再次安装所有 nuget 包 命名并单击“恢复 Nuget 包”项

你可以简单地运行Update-Package –reinstall

【讨论】：

当我执行 #1 时，它显示“所有软件包都已安装。没有可恢复的内容。” ***.com/a/35101739/1528378，也许这个对你有帮助，

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