.Net6 Unable to configure HTTPS endpoint. No server certificate was spec 开发者证书过期或无效

1.删除无效的证书

右键都删除

2.cmd窗口输入以下命令    

dotnet dev-certs https

dotnet dev certs https--trust

3.附其他

dotnet dev-certs https --clean　　清理开发人员证书命令