//一般机泵设备平均无故障间隔周期 public double getNonFaultInterVal(string Pq_Code) { ERP_Infos erp = new ERP_Infos(); List <Notice> noticesUp = erp.getNoticeInfos(Pq_Code, "投用"); List <Notice> noticesDown1 = erp.getNoticeInfos_ByNoticeType(Pq_Code, "M2", "删除", "2"); List <Notice> noticesDown2 = erp.getNoticeInfos_ByNoticeType(Pq_Code, "M2", "删除", "3"); if (noticesDown1.Count() + noticesDown2.Count() != 0) { return((noticesUp.Count() / (noticesDown1.Count() + noticesDown2.Count())) * 100); } else { return(-1); } }