安装软件包' Microsoft.AspNet.SignalR'我收到命令
的错误 \n
All的来源 [(聚合源)]无法访问。回到NuGet本地缓存 在C:\ Users \ username \ AppData \ Local \ NuGet \ Cache Install-Package: 无法找到软件包' Microsoft.AspNet.SignalR'。在行:1字符:16 + Install-Package<<<< Microsoft.AspNet.SignalR + CategoryInfo:NotSpecified:(:) [Install-Package],InvalidOperationException + FullyQualifiedErrorId:NuGetCmdletUnhandledException,NuGet.PowerShell.Commands.InstallPackageCommand