namespace AutofacTest.Interface

{

    public interface IUserInfo

    {

        string GetUserINfo(int uid);

        int sort();

    }

}

public class CrmUserInfoHelper : IUserInfo

    {

        public string GetUserINfo(int uid)

        {

            return "crmuserinfo";

        }

        public int sort()

        {

            return ;

        }

    }

public class HrmUserInfoHelper : IUserInfo

    {

        public string GetUserINfo(int uid)

        {

            return "hrmuserinfo";

        }

        public int sort()//实现对多个实现的顺序执行

        {

            return ;

        }

    }

var list = AutofacDependencyResolver.Current.GetServices<IUserInfo>();

            foreach (var item in list.OrderBy(x=>x.sort()))

            {

                item.GetUserINfo();

            }