我的解决方案是:
Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 16
VisualStudioVersion = 16.0.29613.14
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Core31ConsoleApp", "Core31ConsoleApp\Core31ConsoleApp.csproj", "{06477443-295A-47CA-A36E-A3F6B3AE47AC}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|x64 = Debug|x64
Debug|x86 = Debug|x86
Release|x64 = Release|x64
Release|x86 = Release|x86
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{06477443-295A-47CA-A36E-A3F6B3AE47AC}.Debug|x64.ActiveCfg = Debug|x64
{06477443-295A-47CA-A36E-A3F6B3AE47AC}.Debug|x64.Build.0 = Debug|x64
{06477443-295A-47CA-A36E-A3F6B3AE47AC}.Debug|x86.ActiveCfg = Debug|x86
{06477443-295A-47CA-A36E-A3F6B3AE47AC}.Debug|x86.Build.0 = Debug|x86
{06477443-295A-47CA-A36E-A3F6B3AE47AC}.Release|x64.ActiveCfg = Release|x64
{06477443-295A-47CA-A36E-A3F6B3AE47AC}.Release|x64.Build.0 = Release|x64
{06477443-295A-47CA-A36E-A3F6B3AE47AC}.Release|x86.ActiveCfg = Release|x86
{06477443-295A-47CA-A36E-A3F6B3AE47AC}.Release|x86.Build.0 = Release|x86
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = …Run Code Online (Sandbox Code Playgroud) .net-core ×1