//修改
public bool Edit(T u)
{
curDal.Edit(u);
return(dbSession.SaveChanges() > 0);
}
public void Edit(TEntity model, string[] propertyNames)
{
basedal.Edit(model, propertyNames);
}
/// <summary>
/// 按需编辑，程序员指定需要更新的字段
/// </summary>
public virtual void Edit(T model, string[] propertys)
{
basedal.Edit(model, propertys);
}