/// <summary>
 /// 更新单条数据
 /// </summary>
 /// <param name="obj"></param>
 /// <returns></returns>
 public int Update(NewsPopupUser obj)
 {
     return(dal.Update(obj));
 }
 /// <summary>
 /// 删除单条数据
 /// </summary>
 /// <param name="obj"></param>
 /// <returns></returns>
 public int Delete(NewsPopupUser obj)
 {
     return(dal.Delete(obj));
 }
 /// <summary>
 /// 添加单条数据
 /// </summary>
 /// <param name="obj"></param>
 /// <returns></returns>
 public int Add(NewsPopupUser obj)
 {
     return(dal.Add(obj));
 }