Severity Code Description Project File Line Suppression State
Error Version conflict detected for Microsoft.CodeAnalysis.Common.
Reference the package directly from the project to resolve this issue.
Project Name -> FluentValidation.AspNetCore 7.6.103 ->
Microsoft.AspNetCore.Mvc 2.1.0 -> Microsoft.AspNetCore.Mvc.TagHelpers
2.1.0 -> Microsoft.AspNetCore.Mvc.Razor 2.1.0 -> Microsoft.CodeAnalysis.Razor 2.1.0 -> Microsoft.CodeAnalysis.Common
(>= 2.8.0) Project Name ->
Microsoft.VisualStudio.Web.CodeGeneration.Design 2.0.0 ->
Microsoft.VisualStudio.Web.CodeGenerators.Mvc 2.0.0 ->
Microsoft.VisualStudio.Web.CodeGeneration 2.0.0 ->
Microsoft.VisualStudio.Web.CodeGeneration.EntityFrameworkCore 2.0.0 ->
Microsoft.VisualStudio.Web.CodeGeneration.Core 2.0.0 ->
Microsoft.VisualStudio.Web.CodeGeneration.Templating 2.0.0 ->
Microsoft.VisualStudio.Web.CodeGeneration.Utils 2.0.0 ->
Microsoft.CodeAnalysis.CSharp.Workspaces 2.3.1 ->
Microsoft.CodeAnalysis.Workspaces.Common 2.3.1 ->
Microsoft.CodeAnalysis.Common (= 2.3.1).
解决方法
不幸的是,这个包指的是.net core 2.1,它与2.0不兼容.
– 从https://www.microsoft.com/net/download/windows安装2.1 SDK
– 遵循https://docs.microsoft.com/en-us/aspnet/core/migration/20_21?view=aspnetcore-2.1的迁移说明
希望能帮助到你!