net5中得logging保存到文件中

  public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllersWithViews();
            services.AddLogging(builder=> builder.AddTraceSource(new SourceSwitch("default", "All"), new DefaultTraceListener { LogFileName = "trace.log" }).AddEventLog());
        }

 public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureLogging(
                    (context,logging) => {
                        logging.ClearProviders();
                        logging.AddConfiguration(context.Configuration.GetSection("Logging"));
                        logging.AddConsole();
                        logging.AddDebug();
                        
                    }
                )
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                });