.Net Core 3.0下AOP试水~~

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .UseServiceProviderFactory(new JitServiceProviderFactory()) //新增
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                });

        public void ConfigureContainer(JitAopBuilder builder)
        {
            builder.Add<IMyClass, MyClass>(ServiceLifetime.Singleton);
        }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllers();
            //...略略略
            services.AddSingleton<IMyClass, MyClass>();
        }

    [JitInject]
    public class MyClass: IMyClass
    {
        [JitAop]
        public void Hello()
        {
            Console.WriteLine("Hello");
        }
    }