有没有办法将 .NET Standard 项目的项目引用强制到特定的 TargetFramework [英] Is There a Way to Force a Project Reference to .NET Standard Project to a Specific TargetFramework

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问题描述

我是一个 GitHub 项目的贡献者,最近我们的 .NET Standard 遇到了一些问题2.0 项目正确安装到 .NET Framework 4.5 项目.造成这种情况的原因是(如果我理解正确的话).NET Standard 2.0 最低支持 .NET Framework 4.6.1.

I am a contributor to a GitHub project, and recently we had some trouble with our .NET Standard 2.0 project installing correctly into a .NET Framework 4.5 project. The cause of this is that (if I am understanding correctly) .NET Standard 2.0 supports a minimum .NET Framework of 4.6.1.

好的,够公平的.所以我们更新了 .csproj 以创建另一个框架输出:

OK, fair enough. So we updated the .csproj to create another framework output:

<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>

在我们的测试项目中,支持的框架定义如下:

In our testing project, the supported frameworks are defined as such:

<TargetFrameworks>netcoreapp2.0;net471;net45</TargetFrameworks>

然而,我们遇到了 net471 构建的问题,因为它似乎选择了 net45 框架而不是 netstandard2.0代码>.为了让它工作,我们必须设置类库的 TargetFrameworks 如下:

However, we are running into a problem with the net471 build as it seems to be picking up the net45 framework and not the netstandard2.0. In order to get this working, we are having to set the TargetFrameworks of the class library as such:

<TargetFrameworks>netstandard2.0;net471;net45</TargetFrameworks>

这似乎有些过分了,因为看起来 .netstandard2.0 应该是 net471 选择的 TargetFramework,而不是 >net45 目标.

This seems excessive as it would seem that .netstandard2.0 should be the TargetFramework that net471 picks up, rather than the net45 target.

有没有办法强制项目引用特定的TargetFramework?我确实在我们的测试项目中尝试了以下方法,但似乎没有用:

Is there a way to force a project reference to a particular TargetFramework? I did try the following in our testing project, but it did not seem work:

<ItemGroup Condition="'$(TargetFramework)' != 'net471'">
  <ProjectReference Include="....srcExtendedXmlSerializerExtendedXmlSerializer.csproj" />
</ItemGroup>

<ItemGroup Condition="'$(TargetFramework)' == 'net471'">
  <ProjectReference Include="....srcExtendedXmlSerializerExtendedXmlSerializer.csproj">
    <TargetFramework>netstandard2.0</TargetFramework>
  </ProjectReference>
</ItemGroup>

预先感谢您提供的任何帮助!

Thank you in advance for any assistance you can provide!

推荐答案

它不起作用.VS 2017 15.5.5.参考来自 4.6.2 MSTest 项目 net462 target of multitarget (net462;netstandard2.0) 类库.– SerG 2 月 13 日 13:34

It does not work. VS 2017 15.5.5. Reference from 4.6.2 MSTest project net462 target of multitarget (net462;netstandard2.0) class library. – SerG Feb 13 at 13:34

没错,解决这个问题的新方法是这样的:

It is true, the new way to solve that is this:

<ProjectReference Include="..multitargeted_libmultitargeted_lib.csproj">
  <SetTargetFramework>TargetFramework=netstandard2.0</SetTargetFramework>
</ProjectReference>

来源是这里.

这篇关于有没有办法将 .NET Standard 项目的项目引用强制到特定的 TargetFramework的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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