Java返回距离当前时间段

    /**
     * 计算该时间离当前时间的差距
     * @param time 格式为：yyyy-MM-dd HH:mm:ss
     * @return
     */
    public static String getShortTime(String time) {
        Date date = getDateByString(time);
        return getShortTime(date);
    }
    
    public static String getShortTime(Date date) {
        String shortstring = null;
        long now = Calendar.getInstance().getTimeInMillis();
        if(date == null) return shortstring;
        long deltime = (now - date.getTime())/1000;
        if(deltime > 365*24*60*60) {
            shortstring = (int)(deltime/(365*24*60*60)) + "年前";
        } else if(deltime > 7*24*60*60) {
            shortstring = (int)(deltime/(7*24*60*60)) + "周前";
        } else if(deltime > 24*60*60) {
            shortstring = (int)(deltime/(24*60*60)) + "天前";
        } else if(deltime > 60*60) {
            shortstring = (int)(deltime/(60*60)) + "小时前";
        } else if(deltime > 60) {
            shortstring = (int)(deltime/(60)) + "分钟前";
        } else if(deltime > 10) {
            shortstring = deltime + "秒前";
        } else {
            shortstring = "刚刚";
        }
        return shortstring;
    }