一個處理時間戳的工具類(●’◡’●)

public class TimeUtils {
    private final static long minute = 60 * 1000;// 1分鐘
    private final static long hour = 60 * minute;// 1小時
    private final static long day = 24 * hour;// 1天
    private final static long month = 31 * day;// 月
    private final static long year = 12 * month;// 年

    /**
     * @param
 
 @return 設定檔案
     * @return Long 返回型別
     * @throws
     * @Title: getCurrentSystemTime
     * @Description: 獲取當前系統時間
     */
    public static Long getCurrentSystemTime() {
        return Calendar.getInstance().getTimeInMillis();
    }

    /**
     * 取出當前的日期格式yyyy-MM-dd HH:mm:ss
     *
     * @return
 

     */
    public static String getCurrentTimeStr() {
        Calendar curCalendar = Calendar.getInstance();
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return df.format(curCalendar.getTime());
    }

    /**
     * 將時間戳轉成格式化時間
     *
     * @param milliseconds
     */
 

    public static String getFormatTime(long milliseconds) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
        return sdf.format(new Date(milliseconds));
    }

    /**
     * 將時間戳轉成格式化時間
     *
     * @param milliseconds
     */
    public static String getFormatTimeYY(long milliseconds) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        return sdf.format(new Date(milliseconds));
    }


    /**
     * 返回文字描述的日期
     *
     * @param date
     * @return
     */
    public static String getTimeFormatText(long date) {
        if (date == 0) {
            return "";
        }
        date = date * 1000;
        long diff = new Date().getTime() - date;
        long r = 0;
        if (diff > year) {
            r = (diff / year);
            return r + "年前";
        }
        if (diff > month) {
            r = (diff / month);
            return r + "月前";
        }
        if (diff > day) {
            r = (diff / day);
            return r + "天前";
        }
        if (diff > hour) {
            r = (diff / hour);
            return r + "小時前";
        }
        if (diff > minute) {
            r = (diff / minute);
            return r + "分鐘前";
        }
        return "剛剛";
    }

    /**
     * 將時間戳轉成格式化時間
     *
     * @param milliseconds
     */
    public static String getFormatTimeHHMM(long milliseconds) {
        SimpleDateFormat sdf = new SimpleDateFormat("hh:mm");
        return sdf.format(new Date(milliseconds));
    }

    /**
     * 將時間戳轉成格式化時間
     *
     * @param milliseconds
     */
    public static String getFormatTime24(long milliseconds) {
        SimpleDateFormat sdf = new SimpleDateFormat("kk:mm");
        return sdf.format(new Date(milliseconds));
    }

    /**
     * 計算兩個日期之間相差的天數
     *
     * @param smdate 較小的時間
     * @param bdate  較大的時間
     * @return 相差天數
     * @throws ParseException
     */
    public static int daysBetween(Date smdate, Date bdate)
            throws ParseException {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        smdate = sdf.parse(sdf.format(smdate));
        bdate = sdf.parse(sdf.format(bdate));
        Calendar cal = Calendar.getInstance();
        cal.setTime(smdate);
        long time1 = cal.getTimeInMillis();
        cal.setTime(bdate);
        long time2 = cal.getTimeInMillis();
        long between_days = (time2 - time1) / (1000 * 3600 * 24);

        return Integer.parseInt(String.valueOf(between_days));
    }

    /**
     * 字串的日期格式的計算
     */
    public static int daysBetween(String smdate, String bdate)
            throws ParseException {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        Calendar cal = Calendar.getInstance();
        cal.setTime(sdf.parse(smdate));
        long time1 = cal.getTimeInMillis();
        cal.setTime(sdf.parse(bdate));
        long time2 = cal.getTimeInMillis();
        long between_days = (time2 - time1) / (1000 * 3600 * 24);

        return Integer.parseInt(String.valueOf(between_days));
    }

    /**
     * 擷取Date(1418784200000-0000)的固定長度
     */
    public static String spliteTime(String dateStr) {
        String sequence = dateStr.replace("/Date(", "");
        return sequence.substring(0, 13).trim();
    }

    /**
     * 獲取分秒格式化字串
     *
     * @param duration
     * @return
     */
    public static String getFormatMiniteSecString(int duration) {
        int minutes = duration % (60 * 60) / 60;//分鐘時長
        int seconds = duration % 60;//秒時長
        return String.format("%d'%d''", minutes, seconds);
    }

    /**
     * 格式化時間字串
     * <p/>
     * 顯示規則大於1天,顯示天.  大於1小時,顯示1=小時.   大於1分鐘, 顯示分鐘
     * 其中,大於7天以上的均顯示7天前
     *
     * @param time
     * @return
     */
    public static String getFormatTimeString(long time) {

        Long currentTime = new Date().getTime() / 1000;//獲得當前時間
        Long diffTime = currentTime - time;//當前時間減去建立時間,得到時間差
        long diffDay = diffTime / (24 * 3600); //得到天數
        long diffHour = diffTime % (24 * 3600) / 3600; //得到小時數
        long diffMinute = diffTime % 3600 / 60; //得到分鐘數

        String result = null;

        if (diffDay >= 1) {
            if (diffDay >= 7) {
                result = "7天前";
            } else {
                result = diffDay + "天前";
            }
        } else if (diffHour >= 1) {
            result = diffHour + "小時前";
        } else if (diffMinute >= 1) {
            result = diffMinute + "分鐘前";
        } else {
            result = "";
        }
        return result;
    }



}