fix：商品价格曲线，若某日期现货价有值，该日期对应的所有期货价无值，则往前顺延直到现货价和至少一个期货价有值，取该现货价日期作为基准日期

logic/profit_chart_info.go

@@ -411,7 +411,7 @@ func ProfitChartChartData(baseDataList []*models.EdbDataList, futureGoodEdbInfoM
 		xEdbInfoIdList := make([]int, 0)   // 当前数据的指标id列表
 
 		// 现货指标
-		realDateTime, findDataValue, isFind, tmpErr := GetNeedDateData(findDateTime, baseDataList, baseEdbDateData)
+		realDateTime, findDataValue, isFind, tmpErr := GetNeedDateData(findDateTime, baseDataList, baseEdbDateData, edbDataMap)
 		if tmpErr != nil {
 			err = tmpErr
 			return
@@ -437,7 +437,9 @@ func ProfitChartChartData(baseDataList []*models.EdbDataList, futureGoodEdbInfoM
 			//findDateTime
 
 			// 获取当前日期相对开始日期的期数
-			tmpN := (currDate.Year()-findDateTime.Year())*12 + int(currDate.Month()-findDateTime.Month())
+			//tmpN := (currDate.Year()-findDateTime.Year())*12 + int(currDate.Month()-findDateTime.Month())
+			// 用实际日期的月份作为基准，往前推12个月（2024-5-13 16:26:43修改）
+			tmpN := (currDate.Year()-realDateTime.Year())*12 + int(currDate.Month()-realDateTime.Month())
 			if tmpN <= 0 {
 				continue
 			}
@@ -834,7 +836,7 @@ func GetFormulaMap() map[string]string {
 }
 
 // GetNeedDateData 获取合约内需要的日期数据
-func GetNeedDateData(needDateTime time.Time, dataList []*models.EdbDataList, edbDataMap map[string]float64) (findDateTime time.Time, findDataValue float64, isFind bool, err error) {
+func GetNeedDateData(needDateTime time.Time, dataList []*models.EdbDataList, edbDataMap map[string]float64, allEdbDataMap map[int]map[string]float64) (findDateTime time.Time, findDataValue float64, isFind bool, err error) {
 	//dataList := edbDataListMap[edbInfoId] //指标的所有数据值
 	if len(dataList) <= 0 {
 		// 没有数据的指标id
@@ -847,18 +849,43 @@ func GetNeedDateData(needDateTime time.Time, dataList []*models.EdbDataList, edb
 		return
 	}
 
+	// 该日期存在数据的期货指标的最小数量，目前是现货和期货各1个，总共2个
+	maxCount := 1
+
 	for tmpDateTime := needDateTime; tmpDateTime.After(minDateTime) || tmpDateTime.Equal(minDateTime); tmpDateTime = tmpDateTime.AddDate(0, 0, -1) {
 		tmpDate := tmpDateTime.Format(utils.FormatDate)
-		if tmpValue, ok := edbDataMap[tmpDate]; ok { //如果能找到数据，那么就返回
-			// 数据为0,也直接返回,做无值处理
-			if tmpValue == 0 {
-				return
+		tmpValue, ok := edbDataMap[tmpDate]
+		if !ok {
+			continue
+		}
+
+		// 该日期存在数据的指标数量
+		count := 0
+
+		for _, currEdbDataMap := range allEdbDataMap {
+			_, tmpIsFind := currEdbDataMap[tmpDate]
+			if tmpIsFind {
+				count++
+				if count >= maxCount {
+					continue
+				}
 			}
-			findDateTime, _ = time.ParseInLocation(utils.FormatDate, tmpDate, time.Local)
-			findDataValue = tmpValue
-			isFind = true
+		}
+
+		// 该日期存在数据的期货指标数量小于2个，那么要继续往前找
+		if count < maxCount {
+			continue
+		}
+
+		//如果能找到数据，那么就返回
+		// 数据为0,也直接返回,做无值处理
+		if tmpValue == 0 {
 			return
 		}
+		findDateTime, _ = time.ParseInLocation(utils.FormatDate, tmpDate, time.Local)
+		findDataValue = tmpValue
+		isFind = true
+		return
 	}
 
 	return