获取时间戳
long timecurrentTimeMillis = System.currentTimeMillis()/1000;
时间戳转换为具体时间
获取当前年月日
Calendar calendar = Calendar.getInstance();int year = calendar.get(Calendar.YEAR);int month = calendar.get(Calendar.MONTH)+1;int day = calendar.get(Calendar.DAY_OF_MONTH);
将具体年月日转换为时间戳
date2long("", "09", "21", "14", "55", "03")+"")public static long date2long(String year, String month, String day, String hour, String minutes, String sec) {StringBuilder stringBuilder = new StringBuilder();stringBuilder.append(year);stringBuilder.append("/");stringBuilder.append(month);stringBuilder.append("/");stringBuilder.append(day);stringBuilder.append(" ");stringBuilder.append(hour);stringBuilder.append(":");stringBuilder.append(minutes);stringBuilder.append(":");stringBuilder.append(sec);String sDt = stringBuilder.toString();SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");Date dt = null;try {dt = sdf.parse(sDt);if (dt != null) {return dt.getTime();}} catch (ParseException e) {e.printStackTrace();}return -1L;}
