public static String getNowTime(){
        Date date=new Date(System.currentTimeMillis());
        SimpleDateFormat simpleDateFormat=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String nowTime=simpleDateFormat.format(date);
        return nowTime;
    }

    public static String getNowDate(){
        Date
 
 date=new Date(System.currentTimeMillis());
        SimpleDateFormat simpleDateFormat=new SimpleDateFormat("yyyy-MM-dd");
        String nowDate=simpleDateFormat.format(date);
        return nowDate;
    }