asp.net core 3.0 发布单文件，进程外托管，复制视图

  <PropertyGroup>
    <TargetFramework>netcoreapp3.0</TargetFramework>
    <!--运行环境（发布单文件必选）-->
    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
    <!--启用单文件-->
    <PublishSingleFile>true</PublishSingleFile>
    <!--进程外托管-->
    <AspNetCoreHostingModel>OutOfProcess</AspNetCoreHostingModel>
    <!--复制视图-->
    <CopyRazorGenerateFilesToPublishDirectory>true</CopyRazorGenerateFilesToPublishDirectory>
  </PropertyGroup>