Blazor的身份验证和授权目前不存在. Asp.Net团队目前正在研究... 您可能在这里阅读了整个故事: https://github.com/aspnet/AspNetCore/issues/4048

No authentication and authorization for Blazor exist right now. The Asp.Net team is currently working on it... You may read here the whole story: https://github.com/aspnet/AspNetCore/issues/4048

希望这对您有帮助...

Hope this helps...