itest.cs

一个简单的3层架构例子

using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
using Test.Model;

namespace Test.IDAL
{
    //接口定义
    public interface ITest
    {
        void WriteString(objTest str);
    }

    public sealed partial class DataFactory
    {
        public static ITest CreateTest()
        {
            return (ITest)Assembly.Load(path).CreateInstance(path + ".DALFactory");
        }
    }
}