多层架构在业务逻辑层实现IOC

在业务逻辑层实现IOC，可以有效的减少代码量，把通用的操作写在通用的类中，然后在UI层对谁操作就建立谁的实例。

具体做法看代码：

Service层核心代码：

接口规范：

namespace Service
{
    /// <summary>
    /// 标准逻辑处理接口
    /// </summary>
    /// <typeparam name="TEntity"></typeparam>
    public interface IServices<TEntity> where TEntity : class,Entity.IDataEntity
    {
        /// <summary>
        /// 获得List结果集
        /// </summary>
        /// <returns></returns>
        List<IDataEntity> GetModelList();

        /// <summary>
        /// 获得IQueryable结果集
        /// </summary>
        /// <returns></returns>
        IQueryable<IDataEntity> GetModelIQueryable();
        /// <summary>
        /// 根据主键得到一个实体
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        TEntity GetModelById(string id);

        /// <summary>
        /// 插入实体
        /// </summary>
        /// <param name="entity"></param>
        void InsertModel(TEntity entity);

        /// <summary>
        /// 更新实体
        /// </summary>
        /// <param name="entity"></param>
        void UpdateModel(TEntity entity);

        /// <summary>
        /// 删除单个实体
        /// </summary>
        /// <param name="key"></param>
        void DeleteModel(params object[] key);
    }
}

实现：

namespace Service
{
    /// <summary>
    /// 标准逻辑实现CURD
    /// </summary>
    /// <typeparam name="TEntity"></typeparam>
    public class Services<TEntity> : IServices<TEntity>
        where TEntity : class,Entity.IDataEntity
    {
        IRepository iRepository = null;

        /// <summary>
        /// 构造函数实现IOC
        /// </summary>
        /// <param name="iRepository"></param>
        public Services(IRepository iRepository)
        {
            this.iRepository = iRepository;
        }

        public Services()
        {

        }
        #region IServices<TEntity> 成员

        public List<IDataEntity> GetModelList()
        {
            return this.iRepository.GetModel().ToList();
        }

        public IQueryable<IDataEntity> GetModelIQueryable()
        {
            return this.iRepository.GetModel();
        }

        public TEntity GetModelById(string id)
        {
            throw new NotImplementedException();
        }

        public void InsertModel(TEntity entity)
        {
            this.iRepository.Insert(entity);
        }

        public void UpdateModel(TEntity entity)
        {
            this.iRepository.Insert(entity);
        }

        public void DeleteModel(params object[] key)
        {
            this.iRepository.Delete(key);
        }

        #endregion
    }
}

具体业务对象：为了使UI层不直接调用Data层的尴尬

namespace Service
{
    public class UserServices
    {
        public Data.IRepository UserBasesRepository
        {
            get
            {
                return new Data.OA.UserBasesRepository();
            }
        }
    }
}

UI层调用Service层代码：

   IServices<Entity.OA.UserBase> iServices = null;
        public ActionResult Index()
        {
            ViewBag.Message = "欢迎使用 ASP.NET MVC!";
            iServices = new Services<Entity.OA.UserBase>(new UserServices().UserBasesRepository);
            ViewData["UserBase"] = iServices.GetModelList().Cast<Entity.OA.UserBase>().ToList();
            return View();
        }