c# - Visual Studio 2019 v16.6无法构建.net5控制台应用程序并引发错误: . NETFramework，Version = v5.0未找到

Question

开发环境:

已安装Visual Studio 2019 v16.6.2

.Net5预览版5已安装

Microsoft.NETCore.App 5.0.0-preview.5.20278.1 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

在Visual Studio中启用设计器

Tools > Options > Environment > Preview Features and select the Use the preview Windows Forms designer for .NET Core apps option. > re-start vs

我按照此 answer中的说明进行操作
我在.net5中创建了一个演示控制台项目

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net5.0</TargetFramework>
  </PropertyGroup>  
</Project>

然后使用dotnet cli构建并运行就可以了

dotnet build  #ok
dotnet run # ok

尝试在Visual Studio中构建项目失败并显示错误

Error MSB3644 The reference assemblies for .NETFramework,Version=v5.0 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

Error NETSDK1005 Assets file 'F:\projects\Net5Demo\obj\project.assets.json' doesn't have a target for '.NETFramework,Version=v5.0'. Ensure that restore has run and that you have included 'net50' in the TargetFrameworks for your project.

我错过了使用vs 2019 v16.6.2构建和运行项目的东西？

Answer 1

根据https://dotnet.microsoft.com/download/dotnet/5.0，您似乎还需要VS 2019 16.8预览版3才能识别它。
编辑:我遇到了同样的问题，并且在我安装了VS 2019 16.8预览版3之后，它开始显示使用.NET 5.0的选项。