1。
SimpleDateFormat tempDate = new SimpleDateFormat( " yyyy-MM-dd hh:mm:ss " );String datetime = tempDate.format( new java.util.Date());2。
Calendar now = Calendar.getInstance();String time = now.get(Calendar.YEAR) + " - " + (now.get(Calendar.MONTH) + 1 ) + " - " + now.get(Calendar.DAY_OF_MONTH) + " " + now.get(Calendar.HOUR_OF_DAY) + " : " + now.get(Calendar.MINUTE) + " : " + now.get(Calendar.SECOND);