update 添加2个处理方法

configHelper.go

@@ -208,6 +208,10 @@ func (the *ConfigHelper) SetChainedCacheObjWithExpiration(k string, obj any, dur
 	err := the.chainedCache.LoadableChinCache.Set(the.ctx, k, value, store.WithExpiration(duration))
 	return err
 }
+func (the *ConfigHelper) DeleteChainedCacheObj(k string) error {
+	err := the.chainedCache.LoadableChinCache.Delete(the.ctx, k)
+	return err
+}
 func (the *ConfigHelper) GetCacheWindowObj(key_cacheWindow string) (common_models.CacheWindow, error) {
 	var redisCacheWin common_models.CacheWinSave
 	value, err := the.chainedCache.LoadableChinCache.Get(the.ctx, key_cacheWindow)
@@ -575,6 +579,22 @@ func (the *ConfigHelper) GetFilter(stationId int) (common_models.Filter, error)
 
 	return result, err
 }
+func (the *ConfigHelper) GetFilterItem(stationId int, item string) (common_models.FilterItem, error) {
+
+	result, err := the.GetFilter(stationId)
+
+	if err == nil {
+		for _, filterItem := range result.Items {
+			if filterItem.FieldName == item {
+				return filterItem, err
+			}
+		}
+	} else {
+		log.Printf("获取GetFilterItem err=%s", err.Error())
+	}
+
+	return common_models.FilterItem{}, err
+}
 func (the *ConfigHelper) GetAlarmCode(alarmCode string) (common_models.AlarmCode, error) {
 	var err error
 	result, ok := AlarmCodeCache[alarmCode]