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())/;
         if(deltime > ***) {
             shortstring = (int)(deltime/(***)) + "年前";
         } else if(deltime > ***) {
             shortstring = (int)(deltime/(***)) + "周前";
         } else if(deltime > **) {
             shortstring = (int)(deltime/(**)) + "天前";
         } else if(deltime > *) {
             shortstring = (int)(deltime/(*)) + "小时前";
         } else if(deltime > ) {
             shortstring = (int)(deltime/()) + "分钟前";
         } else if(deltime > ) {
             shortstring = deltime + "秒前";
         } else {
             shortstring = "刚刚";
         }
         return shortstring;
     }