/// <summary>
/// 根据ID查询批次信息
/// </summary>
/// <param name="planId">要查询的批次ID</param>
/// <returns>类型为Plan的批次对象</returns>
public Plan Select(int planId)
{
Plan plan = dao.GetPlan(planId);
if (plan != null)
{
return(plan);
}
return(null);
}