解决错误“Microsoft.NETCore.App 1.0.0不支持框架.NETFramework,Version=v4.6.1"

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问题描述

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我有一个使用 net461 引用运行的 ASP.NET Core 1.0 完整应用程序.现在我正在尝试添加另一个框架 - netcoreapp1.0.为此，我像这样更新了我的 project.json:

I have an ASP.NET Core 1.0 complete application running using net461 references. Now I am trying to add another framework - netcoreapp1.0. For this, I have updated my project.json like this:

{
   "userSecretsId":"",
   "version":"2.4.0-*",
   "buildOptions":{
      "emitEntryPoint":true,
      "preserveCompilationContext":true
   },
   "dependencies":{
      "Microsoft.ApplicationInsights.AspNetCore":"1.0.0",
      "Microsoft.AspNetCore.Authentication.Cookies":"1.0.0",
      "Microsoft.AspNetCore.Diagnostics":"1.0.0",
      "Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore":"1.0.0",
      "Microsoft.AspNetCore.Identity":"1.0.0",
      "Microsoft.AspNetCore.Identity.EntityFrameworkCore":"1.0.0",
      "Microsoft.AspNetCore.Mvc":"1.0.0",
      "Microsoft.AspNetCore.Mvc.TagHelpers":"1.0.0",
      "Microsoft.AspNetCore.Server.IISIntegration":"1.0.0",
      "Microsoft.AspNetCore.Server.Kestrel":"1.0.0",
      "Microsoft.AspNetCore.StaticFiles":"1.0.0",
      "Microsoft.EntityFrameworkCore":"1.0.0",
      "Microsoft.EntityFrameworkCore.SqlServer":"1.0.0",
      "Microsoft.Extensions.Configuration.CommandLine":"1.0.0",
      "Microsoft.Extensions.Configuration.FileExtensions":"1.0.0",
      "Microsoft.Extensions.Configuration.Json":"1.0.0",
      "Microsoft.Extensions.Configuration.UserSecrets":"1.0.0",
      "Microsoft.Extensions.Logging":"1.0.0",
      "Microsoft.Extensions.Logging.Console":"1.0.0",
      "Microsoft.Extensions.Logging.Debug":"1.0.0",
      "Microsoft.VisualStudio.Web.BrowserLink.Loader":"14.0.0",
      "Microsoft.VisualStudio.Web.CodeGenerators.Mvc":"1.0.0-preview2-final"
   },
   "tools":{
      "BundlerMinifier.Core":"2.0.238",
      "Microsoft.AspNetCore.Razor.Tools":"1.0.0-preview2-final",
      "Microsoft.AspNetCore.Server.IISIntegration.Tools":"1.0.0-preview2-final",
      "Microsoft.Extensions.SecretManager.Tools":"1.0.0-preview2-final"
   },
   "commands":{
      "ef":"EntityFramework.Commands",
      "web":"Microsoft.AspNetCore.Server.Kestrel"
   },
   "frameworks":{
      "net461":{

      },
      "netcoreapp1.0":{
         "imports":[
            "dotnet5.6",
            "portable-net45+win8"
         ]
      }
   },
   "runtimes":{
      "win10-x64":{

      },
      "win81-x64":{

      },
      "win8-x64":{

      },
      "win7-x64":{

      }
   },
   "publishOptions":{
      "exclude":[
         "**.user",
         "**.vspscc",
         "wwwroot",
         "node_modules"
      ]
   },
   "scripts":{
      "prepublish":[
         "npm install",
         "bower install",
         "gulp clean",
         "gulp min"
      ]
   }
}

修改project.json后，出现这个错误:

After modifying project.json, I got this error:

无法使以下项目可运行:MVC6_Full_Version(.NETCoreApp,Version=v1.0) 原因:未找到预期的 coreclr 库在包图中.请再次尝试运行 dotnet restore.

Failed to make the following project runnable: MVC6_Full_Version (.NETCoreApp,Version=v1.0) reason: Expected coreclr library not found in package graph. Please try running dotnet restore again.

为了解决这个问题，我运行了 dotnet restore 命令但没有成功.

To resolve this, I ran dotnet restore command but no luck.

然后，我添加了这个块:

Then, I added this block:

"Microsoft.NETCore.App": {
  "version": "1.0.0",
  "type": "platform"
},

添加这个块后，我得到了一个不同的错误:

After adding this block, I got a different error:

代码:NU1002 说明:依赖 Microsoft.NETCore.App 1.0.0不支持框架 .NETFramework,Version=v4.6.1.

Code: NU1002 Description: The dependency Microsoft.NETCore.App 1.0.0 does not support framework .NETFramework,Version=v4.6.1.

基本上，我想在我的应用程序中添加两个引用 - .NET Framework 4.6.1 和 ASP.NET Core 1.0.

Basically, I want to add both references in my applications - .NET Framework 4.6.1 and ASP.NET Core 1.0.

我该如何解决这个错误?

How do I resolve this error?

推荐答案

使用 .NET Framework 或 .NET Core 构建 ASP.NET Core 项目绝对是可能的.你真的很接近 - 只需要一些调整:

It's definitely possible to build ASP.NET Core projects using .NET Framework or .NET Core. You're really close - just a few tweaks needed:

删除 runtimes 部分，除非您打算进行本机编译(有点不寻常)将 Microsoft.NETCore.App 的引用放在 dependencies 部分 inside netcoreapp1.0 部分.我已经测试了以下更改，它恢复和编译没有错误: Remove the runtimes section, unless you are intending to do native compilation (somewhat unusual) Place the reference to Microsoft.NETCore.App in a dependencies section inside the netcoreapp1.0 section. I've tested the following change and it restores and compiles without errors:

project.json

...

   "frameworks": {
      "net461": {

      },
      "netcoreapp1.0": {
         "dependencies": {
            "Microsoft.NETCore.App": {
               "type": "platform",
               "version": "1.0.0"
            }
         },
         "imports": [
            "dotnet5.6",
            "portable-net45+win8"
         ]
      }
   }

仅 .NET Core 需要 Microsoft.NETCore.App 依赖项，将其添加到此处将确保在为该框架构建时可用.

The Microsoft.NETCore.App dependency is only required for .NET Core, and adding it here will make sure it's available when building for that framework.

此外，commands 部分已被弃用，可以删除.

Also, the commands section has been deprecated and can be removed.

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