NuGet参考存储在哪里？

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我无法得到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 Package Restore下载它们。有关更多信息，请参阅http://go.microsoft.com/fwlink/?LinkID=322105。丢失的文件是.. 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('..packagesAccord.3.8.0uildAccord.targets')" Text="$([System.String]::Format('$(ErrorText)', '..packagesAccord.3.8.0uildAccord.targets'))" />

我已经在StackOverflow上查看了每个NuGet问题/解决方案，但没有一个答案对我有用。

我尝试了包恢复，我手动卸载了所有NuGet包并再次安装它们。

这并没有使错误消息消失。

因此，我想问一下这个错误消息来自何处。它说“这个项目引用......”。我甚至删除了package.config文件，我仍然看到这个错误。

因此，我想问一下这个引用存储的位置，因为它不能是packages.config（因为我删除了它们）。

谢谢。

根据请求，这是有问题的.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="..packagesOpenCvSharp3-AnyCPU.3.3.1.20171117uildOpenCvSharp3-AnyCPU.props" Condition="Exists('..packagesOpenCvSharp3-AnyCPU.3.3.1.20171117uildOpenCvSharp3-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>binDebug</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>binRelease</OutputPath>
    <DefineConstants>TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
    <DebugSymbols>true</DebugSymbols>
    <OutputPath>binx64Debug</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>binx64Release</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>..packagesAccord.3.8.2-alphalib
et46Accord.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Controls.Imaging, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..packagesAccord.Controls.Imaging.3.8.2-alphalib
et46Accord.Controls.Imaging.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Imaging, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..packagesAccord.Imaging.3.8.2-alphalib
et46Accord.Imaging.dll</HintPath>
    </Reference>
    <Reference Include="Accord.MachineLearning, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..packagesAccord.MachineLearning.3.8.2-alphalib
et46Accord.MachineLearning.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Math, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..packagesAccord.Math.3.8.2-alphalib
et46Accord.Math.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Math.Core, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..packagesAccord.Math.3.8.2-alphalib
et46Accord.Math.Core.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Statistics, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..packagesAccord.Statistics.3.8.2-alphalib
et46Accord.Statistics.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Video, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..packagesAccord.Video.3.8.2-alphalib
et46Accord.Video.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Video.DirectShow, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..packagesAccord.Video.DirectShow.3.8.2-alphalib
et46Accord.Video.DirectShow.dll</HintPath>
    </Reference>
    <Reference Include="Accord.Vision, Version=3.8.2.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7, processorArchitecture=MSIL">
      <HintPath>..packagesAccord.Vision.3.8.2-alphalib
et46Accord.Vision.dll</HintPath>
    </Reference>
    <Reference Include="DlibDotNet, Version=1.0.0.0, Culture=neutral, processorArchitecture=AMD64">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>dlibDlibDotNet.dll</HintPath>
    </Reference>
    <Reference Include="DlibDotNet.Extensions, Version=1.0.0.0, Culture=neutral, processorArchitecture=AMD64">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>dlibDlibDotNet.Extensions.dll</HintPath>
    </Reference>
    <Reference Include="OpenCvSharp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6adad1e807fea099, processorArchitecture=MSIL">
      <HintPath>..packagesOpenCvSharp3-AnyCPU.3.3.1.20171117lib
et46OpenCvSharp.dll</HintPath>
    </Reference>
    <Reference Include="OpenCvSharp.Blob, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6adad1e807fea099, processorArchitecture=MSIL">
      <HintPath>..packagesOpenCvSharp3-AnyCPU.3.3.1.20171117lib
et46OpenCvSharp.Blob.dll</HintPath>
    </Reference>
    <Reference Include="OpenCvSharp.Extensions, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6adad1e807fea099, processorArchitecture=MSIL">
      <HintPath>..packagesOpenCvSharp3-AnyCPU.3.3.1.20171117lib
et46OpenCvSharp.Extensions.dll</HintPath>
    </Reference>
    <Reference Include="OpenCvSharp.UserInterface, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6adad1e807fea099, processorArchitecture=MSIL">
      <HintPath>..packagesOpenCvSharp3-AnyCPU.3.3.1.20171117lib
et46OpenCvSharp.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="PropertiesAssemblyInfo.cs" />
    <Compile Include="Utility.cs" />
    <EmbeddedResource Include="MainForm.resx">
      <DependentUpon>MainForm.cs</DependentUpon>
    </EmbeddedResource>
    <EmbeddedResource Include="PropertiesResources.resx">
      <Generator>ResXFileCodeGenerator</Generator>
      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
      <SubType>Designer</SubType>
    </EmbeddedResource>
    <Compile Include="PropertiesResources.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="PropertiesSettings.settings">
      <Generator>SettingsSingleFileGenerator</Generator>
      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
    </None>
    <Compile Include="PropertiesSettings.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="dlibDlibDotNet.dll" />
    <None Include="dlibDlibDotNet.Extensions.dll" />
    <Content Include="DlibDotNet.Native.dll">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
    <Content Include="input.jpg">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </Content>
  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)Microsoft.CSharp.targets" />
  <Import Project="..packagesAccord.3.8.2-alphauildAccord.targets" Condition="Exists('..packagesAccord.3.8.2-alphauildAccord.targets')" />
  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
    <PropertyGroup>
      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
    </PropertyGroup>
    <Error Condition="!Exists('..packagesAccord.3.8.2-alphauildAccord.targets')" Text="$([System.String]::Format('$(ErrorText)', '..packagesAccord.3.8.2-alphauildAccord.targets'))" />
    <Error Condition="!Exists('..packagesOpenCvSharp3-AnyCPU.3.3.1.20171117uildOpenCvSharp3-AnyCPU.props')" Text="$([System.String]::Format('$(ErrorText)', '..packagesOpenCvSharp3-AnyCPU.3.3.1.20171117uildOpenCvSharp3-AnyCPU.props'))" />
  </Target>
</Project>
答案

问题是目录结构是

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

即.csproj是两个级别的深度，并且有两个.slns。 .csproj中的HintPaths只是..package，即它们被设置为由bootcamp_basecamera.sln恢复的包，而不是bootcamp_complete.sln。

所以我认为你的选择是

  1. 打开每个子项目自己的.sln并在那里恢复包 - 下载文件的重复很多，但如果你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
  2. 修改.csprojs将hintpath设置为....package而不是..package
  3. 更改文件夹结构：使用自己的.sln文件删除中间文件夹，因此bootcamp_basecamera.csproj只在根目录下的一个文件夹深度，然后更新顶级.sln以更改路径
另一答案

有一些方法可以安装丢失的软件包

  • 您可以删除解决方案目录中packages文件夹中的所有文件，右键单击解决方案名称并单击“Restore Nuget Packages”项，可以再次安装所有nuget软件包
  • 你可以简单地运行Update-Package –reinstall

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