public string Temperature2(string ttt_aver,string ttt_min,string ttt_max,string beginDateTime, string endDateTime)
{
TempModel temp = new TempModel();
string ret = "";
var begindate = temp.DateTimeTotenDay(beginDateTime);
var enddate = temp.DateTimeTotenDay(endDateTime);
ret = temp.only_pull_temp(ttt_aver,ttt_max,ttt_min,begindate, enddate);
return ret;
}