C# 加载配置文件

//加载配置文件
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddEnvironmentVariables();
ConfigurationManager.Configuration = builder.Build();

#region 反射加载程序集dll到运行时，.net core 2.0不支持引用第三方DLL直接加载 TODO 升级2.0.3 或者Nuget加载
Assembly entry = Assembly.GetEntryAssembly();
string dir = Path.GetDirectoryName(entry.Location);
var dllPath = dir + "\\MongoRepository.Net45.dll";
AssemblyLoadContext.Default.LoadFromAssemblyPath(dllPath);
#endregion

 

 

 

 //注册IOC=Autofac  类

  public class IocManager
  {

        private static ILifetimeScope _container;

        public static void Initialize(params string[] assemblyNamePattens)
        {

            ContainerBuilder builder = new ContainerBuilder();

            _container = builder.Build();

            Initialize(_container, assemblyNamePattens);

        }

        public static void Initialize(ILifetimeScope container, params string[] assemblyNamePattens)
        {

            container.Update(builder =>
            {

                //运行绝对路径=AppDomain.CurrentDomain.BaseDirectory

                Directory.GetFiles(AppDomain.CurrentDomain.BaseDirectory, "*.dll")

                    .Where(it => Regex.IsMatch(it, $@"(OA|{assemblyNamePattens.Join("|")})\.[^\\]*\.dll"))

                    .Each(it => AppDomain.CurrentDomain.Load(Path.GetFileNameWithoutExtension(it)));

 

                //注册IOC

                var assembiles = AppDomain.CurrentDomain.GetAssemblies();

               //组件筛选使用

               /* var assembiles = AppDomain.CurrentDomain.GetAssemblies()//GetReferencingAssemblies()
                        .Where(it => Regex.IsMatch(Path.GetFileNameWithoutExtension(it.Location) + ".dll",
                        $@"(OA|{assemblyNamePattens.Join("|")})\.[^\\]*\.dll")).ToArray(); */

                builder.RegisterAssemblyTypes(assembiles)

                    .Except<IDependencySingleton>()

                    .Except<IDependencyRequestSingleton>()

                    .As<IDependency>().AsSelf().AsImplementedInterfaces();

 

                builder.RegisterAssemblyTypes(assembiles)

                    .Except<IDependencyRequestSingleton>()

                    .As<IDependencySingleton>().AsSelf().AsImplementedInterfaces().SingleInstance();

 

                builder.RegisterAssemblyTypes(AppDomain.CurrentDomain.GetAssemblies())

                    .As<IDependencyRequestSingleton>().AsSelf().AsImplementedInterfaces()

                    .InstancePerLifetimeScope();

            });

        }

        public static ILifetimeScope GetContainer()
        {

            return _container;

        }

       public static void SetContainer(ILifetimeScope container)
       {
             _container = container;
       }

}