在我的.NET 5.0项目中安装了PostgreSQL Nuget包(Npgsql.EntityFrameworkCore.PostgreSQL(5.0.2)
)以及它的EF Core依赖项(Microsoft.EntityFrameworkCore(5.0.2)
)。
我正在尝试使用以下命令创建迁移:
dotnet ef migrations add InitialCreate
然而迁移失败,因为要求我安装 .NET Core 2.0.0 - 遵循推荐的下载链接后,我被告知它已不再提供,并且我可能希望使用 5.0。那我该如何运行此迁移?
以下是输出内容:
Build started...
Build succeeded.
It was not possible to find any compatible framework version
The framework 'Microsoft.NETCore.App', version '2.0.0' was not found.
- The following frameworks were found:
3.1.11 at [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
3.1.12 at [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
3.1.13 at [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
5.0.3 at [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
5.0.4 at [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
You can resolve the problem by installing the specified framework and/or SDK.
The specified framework can be found at:
- https://aka.ms/dotnet-core-applaunch?framework=Microsoft.NETCore.App&framework_version=2.0.0&arch=x64&rid=osx.11.0-x64
Microsoft.EntityFrameworkCore.Tools
的版本是多少? - atiyar