转自http://blog.youkuaiyun.com/feng88724/article/details/7302737
- public class test {
- public static Date getDateByString(String time) {
- Date date = null;
- if(time == null) return date;
- String date_format = "yyyy-MM-dd HH:mm:ss";
- SimpleDateFormat format = new SimpleDateFormat(date_format);
- try {
- date = format.parse(time);
- } catch (ParseException e) {
- e.printStackTrace();
- }
- return date;
- }
- public static String getShortTime(String time) {
- String shortstring = null;
- long now = Calendar.getInstance().getTimeInMillis();
- Date date = getDateByString(time);
- 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 > 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)) + "分前";
- } else if(deltime > 1) {
- shortstring = deltime + "秒前";
- } else {
- shortstring = "1秒前";
- }
- return shortstring;
- }
- public static void main(String[] args) {
- String time = "2012-02-28 10:40:55";
- System.out.println(getShortTime(time));
- }
- }