public static void main(String[] args) { String time = System.currentTimeMillis();//获取当前时间精确到毫秒级的时间戳,例:1525849325942 System.out.println(timeStamp2Date(time)) } public static String timeStamp2Date(String time) { Long timeLong = Long.parseLong(time); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//要转换的时间格式 Date date; try { date = sdf.parse(sdf.format(timeLong)); return sdf.format(date); } catch (ParseException e) { e.printStackTrace(); return null; } }