StringBufferquerysql=newStringBuffer("SELECT createdTime ,gatewayId,address,valueLabel,equipmentSpecificName,value FROM iot_data_%s WHERE isAlarm='1' and value!=valueLabel and value!='0.0' and gatewayId= %s ORDER BY time desc LIMIT %d OFFSET %d ");
StringBufferquerysqlcount=newStringBuffer("SELECT count(value) FROM iot_data_%s WHERE isAlarm='1' and value!='0.0' and value!=valueLabel and gatewayId= %s ");