static void EditUser()
        {
            UserInfo userInfo = new UserInfo();

            userInfo.UserName = "******";
            userInfo.PassWord = "******";
            userInfo.Remark   = "修改lhil   ";
            userInfo.DelFlag  = false;
            userInfo.Id       = 3;

            UserInfoDal userInfoDal = new UserInfoDal();

            bool d = userInfoDal.Edit(userInfo);

            if (d)
            {
                Console.WriteLine("成功");
            }
            else
            {
                Console.WriteLine("失败");
            }
        }