有IDbConnection注冊(cè)為per-request和ApplicationOAuthProvider注冊(cè)為 的連接依賴(lài)項(xiàng)single instance。builder.Register(c => new SqlConnection(WebConfigUtils.DefaultConnectionString))            .As<IDbConnection>()            .InstancePerRequest();builder.RegisterType<ApplicationOAuthProvider>()            .As<IOAuthAuthorizationServerProvider>()            .PropertiesAutowired()            .SingleInstance();需要在身份聲明中存儲(chǔ)用戶(hù)權(quán)限。為此，我創(chuàng)建了命令 GetRolePermissions，在此命令中我想注入IDbConnection實(shí)例。public class GetRolePermissions{    public class Command: IRequest<List<string>>    {        public ICollection<AspNetUserRole> UserRoles { get; set; }    }    public class Handler : AsyncRequestHandler<Command, List<string>>    {        private IDbConnection databaseConnection;        public Handler(IDbConnection databaseConnection)        {            this.databaseConnection = databaseConnection;        }    }}正在創(chuàng)建此命令 ApplicationOAuthProviderpublic class ApplicationOAuthProvider : OAuthAuthorizationServerProvider{    private async Task<ClaimsIdentity> GenerateUserIdentityAsync(AspNetUser user, string authenticationType)    {        user.SecurityStamp = Guid.NewGuid().ToString();        var identity = await mediator.Send(new GenerateUserIdentity.Command        {            AuthenticationType = authenticationType,            User = user        });    }}permissions = await mediator.Send(new GetRolePermissions.Command { UserRoles = user.Roles });-GetRolePermissions.Handler需要注入時(shí)拋出錯(cuò)誤IDbConnection，但當(dāng)前的 autofac 范圍ApplicationOAuthProvider是"root"并且沒(méi)有iDbConnection在此范圍內(nèi)注冊(cè)。但它存在于per-request范圍內(nèi)。不想perLifettime用于 IDbConnection，因?yàn)槲艺J(rèn)為，dbConnection在不必要時(shí)應(yīng)該關(guān)閉它。我想這樣做：using(var scope = AutofacConfig.container.BeginLifiTime("AutofacWebRequest")) {      permissions = await mediator.Send(new GetRolePermissions.Command { UserRoles = user.Roles });}但無(wú)法使此解決方案起作用。而且我不知道如何正確獲取容器，現(xiàn)在它是我手動(dòng)設(shè)置的 AutofacConfig 的靜態(tài)變量。如何啟用的注入IDbConnection到這個(gè)GetPermissions.Handler？