如何修复VSCode环境下‘No .NET SDKs were found.’错误？

问题说明 #

尝试在本地搭建后端服务，已安装.NET 6相关组件（包括dotnet-sdk-6.0.302-win-x64等），但执行dotnet run时提示找不到SDK的错误。多次重装组件并尝试.NET 3版本，问题仍未解决。

dotnet run报错信息 #

The command could not be loaded, possibly because:

• You intended to execute a .NET application:
  The application 'run' does not exist.
• You intended to execute a .NET SDK command:
  No .NET SDKs were found.

dotnet --info输出结果 #

PS C:\Users\Az\bazaar-online\Server\Src\BazaarOnline.API> dotnet --info

global.json file:
  Not found

Host:
  Version:      6.0.7
  Architecture: x86
  Commit:       0ec02c8c96

.NET SDKs installed:
  No SDKs were found.

.NET runtimes installed:
  Microsoft.AspNetCore.App 6.0.7 [C:\Program Files (x86)\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 6.0.7 [C:\Program Files (x86)\dotnet\shared\Microsoft.NETCore.App]

已安装的.NET组件 #

dotnet-hosting-6.0.7-win
dotnet-runtime-6.0.7-win-x64
dotnet-sdk-6.0.302-win-x64

内容的提问来源于stack exchange，提问作者Solid1