需要在项目.csprog文件中显式添加
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>netcoreapp2.1</TargetFramework>
<LangVersion>7.1</LangVersion>
</PropertyGroup>
</Project>
那句启动7.1版本启用
标签：csprog,错误,CS5001,编译器,7.1,NET From： https://www.cnblogs.com/yanzhao-x/p/16824350.html