public String getSpendTime(TechScheduleServiceBean bean) {        TechScheduleBean bean2 = bean.getBean();        long beginTime = bean2.getBegin_time().getTime();        long endTime = bean2.getEnd_time().getTime();        double days = (endTime-beginTime) / (1000 * 60 * 60 * 24);        double hours = ((endTime-beginTime) - days * (1000 * 60 * 60 * 24)) / (1000 * 60 * 60);        double minutes = ((endTime-beginTime) - days * (1000 * 60 * 60 * 24) - hours * (1000 * 60 * 60)) / (1000 * 60);        double minute = minutes / 60;        double spendtime = hours + minute;        DecimalFormat df = new DecimalFormat("#.##");        return df.format(spendtime);    }