/// <summary>
/// 根据批号获取线材实绩日志
/// </summary>
/// <param name="pch">批号</param>
/// <param name="dt1">操作开始时间</param>
/// <param name="dt2">操作结束时间</param>
/// <param name="gh">钩号</param>
/// <returns></returns>
public DataSet GetLog(string pch, string dt1, string dt2, string gh)
{
return(dal.GetLog(pch, dt1, dt2, gh));
}