times ago

TimeUtils.java

    private static final long SECOND_MILLIS = 1000;
    private static final long MINUTE_MILLIS = 60 * SECOND_MILLIS;
    private static final long HOUR_MILLIS = 60 * MINUTE_MILLIS;
    private static final long DAY_MILLIS = 24 * HOUR_MILLIS;
    private static final long MONTH_MILLIS = 30 * DAY_MILLIS;
    private static final long YEAR_MILLIS = 12 * MONTH_MILLIS;


    public static String getTimeAgo(long time) {
        if (time < 1000000000000L) {
            // if timestamp given in seconds, convert to millis
            time *= 1000;
        }

        long now = System.currentTimeMillis();
        if (time > now || time <= 0) {
            return "刚刚";
        }

        final long diff = now - time;
        if (diff < MINUTE_MILLIS) {
            return "刚刚";
        } else if (diff < HOUR_MILLIS) {
            return diff / MINUTE_MILLIS + "分钟前";
        } else if (diff < DAY_MILLIS) {
            return diff / HOUR_MILLIS + "小时前";
        } else if (diff < MONTH_MILLIS) {
            return diff / DAY_MILLIS + "天前";
        } else if (diff < YEAR_MILLIS) {
            return diff / MONTH_MILLIS + "月前";
        } else {
            return diff / YEAR_MILLIS + "年前";
        }
    }