WTM+InfluxDB时序数据库数据查询并放到DataTable中

    public override   IOrderedQueryable<HParameterMonitoring_View> GetSearchQuery()         {            var list= GetInfluxDBData().Result;            return  list.AsQueryable().OrderBy(x=>x.HParameterMonitoring_MachineCode);         }

        private async Task<List<HParameterMonitoring_View>> GetInfluxDBData()         {             StringBuilder query = new StringBuilder();             StringBuilder queryCount = new StringBuilder();             string machineId = Searcher.SelectedMachineId.ToString();             var dicParm = DC.Set<CMachParm>().CheckContain(Searcher.HPTHAlarmParameterIds, x => x.ID).ToDictionary(s => s.NameEN, v => v);             // List<string> paraList = dicParm.Keys.ToList();             List<ParamName> paraList = new List<ParamName>();             foreach (var para in dicParm)             {                 ParamName obj = new ParamName()                 {                     Name_Cn = para.Value.NameCN,                     Name_En = para.Value.NameEN,                     Unit = para.Value.Unit,                 };                 paraList.Add(obj);              };             int queryStart = DateHelper.ConvertDateTimeInt(Searcher.DateStart ?? DateTime.Now.AddMinutes(-5));             int queryEnd = DateHelper.ConvertDateTimeInt(Searcher.DateEnd ?? DateTime.Now);              List<HParameterMonitoring_View> objList = new List<HParameterMonitoring_View>();                           using (var client = InfluxDBClientFactory.Create(Wtm.ConfigInfo.AppSettings["InfluxDBUrl"], Wtm.ConfigInfo.AppSettings["InfluxDBToken"].ToCharArray()))             {                 client.EnableGzip();//此方法将数据压缩，就不会导致超时的发生                 //bool IsGzipEnabled=client.IsGzipEnabled();                 query.Append($"from(bucket:"{Wtm.ConfigInfo.AppSettings["InfluxDBBucket"]}")");                 query.Append($@"|> range(start: {queryStart},stop:{queryEnd})");                 query.Append("|> filter(fn: (r) => r["_measurement"] == "cncinfo")");                 query.Append($"|> filter(fn: (r) => r["machineId"] == "{machineId}")");                 if (paraList.Count > 0)                 {                     query.Append($"|> filter(fn: (r) => 1!=1");//or  就要是false 因为false或什么 就是什么                     foreach (var para in paraList)                     {                         query.Append($" or r["_field"] == "{para.Name_En}"");//相当于select那些列                     }                     query.Append(")");                 }                                   var fluxTable = await client.GetQueryApi().QueryAsync(query.ToString(), Wtm.ConfigInfo.AppSettings["InfluxDBOrg"],cancellationToken:System.Threading.CancellationToken.None);                  //int z = (Searcher.Page - 1) * Searcher.Limit;                 for (int i = 0; i < fluxTable.Count; i++)                 {//i是参数                     for (int j = 0; j < fluxTable[i].Records.Count; j++)                     {//j是数据                         string time = fluxTable[i].Records[j].GetTimeInDateTime()?.AddHours(8).ToString("yyyy-MM-dd HH:mm:ss");                         string fieldOri = fluxTable[i].Records[j].GetField();                         Dictionary<string, object> values = fluxTable[i].Records[j].Values;                         string NameCn = "";                         string Unit = "";                         foreach (var item in paraList)                         {                             if (item.Name_En == fieldOri)                             {                                 NameCn = item.Name_Cn;                                 Unit = item.Unit;                             }                          };                         HParameterMonitoring_View obj = new HParameterMonitoring_View()                         {                             HParameterMonitoring_MachineCode = values["eqname"]?.ToString(),                             HParameterMonitoring_Param = fieldOri,                             HParameterMonitoring_ParamCn = NameCn,                             HParameterMonitoring_Value = values["_value"]?.ToString() + Unit,                             HParameterMonitoring_UpdateTime = time,                         };                         objList.Add(obj);                      }                 }             };             return objList;         }