/// <summary>
    /// 具有邏輯(ji)刪(shan)除(chu)的接口(kou)，實體需(xu)要實現這個接口(kou)，將IsDeleted實現
    /// 在倉儲實現類中，delete方法判(pan)斷實體是否實現了(le)ILogicDeleteBehavor這個接口(kou)，然后再決(jue)定是否邏(luo)輯刪(shan)除
    /// </summary>
    public interface ILogicDeleteBehavor
    {
        /// <summary>
        /// 是否已經刪(shan)除，默認為false
        /// </summary>
        bool IsDeleted { get; set; }
    }

 public partial class WebManageUsers :
        Lind.DDD.Domain.Entity,
        ILogicDeleteBehavor,
        IStatusBehavor
    {
        #region IStatusBehavor 成員

        public Status DataStatus { get; set; }

        #endregion

        #region ILogicDeleteBehavor 成員

        public bool IsDeleted { get; set; }

        #endregion
        public WebManageUsers()
        {
            this.WebManageRoles = new HashSet<WebManageRoles>();
            this.WebDepartments = new HashSet<WebDepartments>();
        }
        [DisplayName("登陸(lu)名"), Required]
        public string LoginName { get; set; }
        [DisplayName("密碼"), Required]
        public string Password { get; set; }
        [DisplayName("真實姓名(ming)"), Required]
        public string RealName { get; set; }
        [DisplayName("手(shou)機")]
        public string Mobile { get; set; }
        [DisplayName("電子郵(you)件")]
        public string Email { get; set; }
        [DisplayName("描述(shu)")]
        public string Description { get; set; }
        [DisplayName("操作者")]
        public string Operator { get; set; }
        [DisplayName("所屬項目")]
        public Nullable<int> WebSystemID { get; set; }
        public virtual ICollection<WebManageRoles> WebManageRoles { get; set; }
        public virtual ICollection<WebDepartments> WebDepartments { get; set; }

    }

 public void Delete(TEntity item)
        {
            if (item != null)
            {
                if (item is ILogicDeleteBehavor)
                {
                    //邏(luo)輯刪除(chu)
                    var pkList = GetPrimaryKey().Select(i => i.Name);
                    var entityType = typeof(TEntity);
                    List<object> primaryArr = new List<object>();
                    foreach (var primaryField in pkList)
                    {
                        primaryArr.Add(entityType.GetProperty(primaryField).GetValue(item, null));
                    }
                    var old = this.Find(primaryArr.ToArray());
                    (old as ILogicDeleteBehavor).IsDeleted = true;
                    this.Update(old);
                }
                else
                {
                    //物理刪除
                    Db.Set<TEntity>().Attach(item as TEntity);
                    Db.Entry(item).State = EntityState.Deleted;
                    Db.Set<TEntity>().Remove(item as TEntity);
                    this.SaveChanges();
                }

            }
        }

  protected override void OnModelCreating(DbModelBuilder modelBuilder)
   {
            base.OnModelCreating(modelBuilder);
            modelBuilder.Filter("LogicDelete", (Lind.DDD.Domain.ILogicDeleteBehavor d) => d.IsDeleted, false);
   }