QString result = QString("溫度:%1 攝氏度 \n 溼度:%2 %\n").arg(temp_value,0,10).arg(humi_value,0,10);
QString result = QString("%1 °C\n").arg(temp,0,'g',4);
// QString result = QString("temp = %1 \n press = %2 \n").arg(temp,0,10).arg(press,0,10);
QString result = QString::number((float)press/1000,'f',2)+"Kpa\n"+
QString::number((float)temp/10,'f',2)+" °C";