/// <summary>
/// 取实体
/// </summary>
public CartModel GetModel(SqlTransaction trans, int CartId)
{
StringBuilder SqlQuery = new StringBuilder();
SqlQuery.Append(" and CartId=@CartId");
List <SqlParameter> listParams = new List <SqlParameter>();
listParams.Add(new SqlParameter("@CartId", CartId));
return(carDAL.GetModel(trans, SqlQuery, listParams));
}