Autofac 依赖注入

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Autofac.Builder;
using Autofac.Configuration;
using Autofac;
/// by rhythmk
namespace AutofacApp
{
    class Program
    {
        static void Main(string[] args)
        {
            var builder = new ContainerBuilder();
            builder.RegisterType<DBManage>();
            builder.RegisterType<SQLDB>().As<IDataBase>();
            //using (var container=builder.Build(ContainerBuildOptions.Default))
 //{
            var container = builder.Build(ContainerBuildOptions.Default);
            var manage = container.Resolve<DBManage>();
            manage.Select();
            manage.Update();
            //}
            Console.ReadKey();
        }
    }


    public interface IDataBase
    {
        void Update();
        void Select();
    }

    public class SQLDB : IDataBase
    {

        #region IDataBase 成员

        public void Update()
        {
            Console.WriteLine("sqlDB Update");
        }

        public void Select()
        {
            Console.WriteLine("sqlDB Select");
        }

        #endregion
    }
    public class MySqlDB : IDataBase
    {

        #region IDataBase 成员

        public void Update()
        {
            Console.WriteLine("MySqlDB Update");
        }

        public void Select()
        {
            Console.WriteLine("MySqlDB Select");
        }

        #endregion
    }

    public class DBManage
    {
        private IDataBase _dataBase;

        public DBManage(IDataBase m_dataBase)
        {
            this._dataBase = m_dataBase;
        }

        public void Update()
        {
            this._dataBase.Update();
        }

        public void Select()
        {
            this._dataBase.Select();        }    }}