asp.net 格式化显示时间为几个月,几天前,几小时前,几分钟前,或几秒前？

 1:  /// <summary>

 2:          /// 格式化显示时间为几个月,几天前,几小时前,几分钟前,或几秒前

 3:          /// </summary>

 4:          /// <param name="dt">要格式化显示的时间</param>

 5:          /// <returns>几个月,几天前,几小时前,几分钟前,或几秒前</returns>

 6:          public static string DateStringFromNow(DateTime dt)

 7:          {

 8:              TimeSpan span = DateTime.Now - dt;

 9:              if (span.TotalDays > 60)

10:              {

11:                  return dt.ToShortDateString();

12:              }

13:              else if (span.TotalDays > 30)

14:              {

15:                  return "1个月前";

16:              }

17:              else if (span.TotalDays > 14)

18:              {

19:                  return "2周前";

20:              }

21:              else if (span.TotalDays > 7)

22:              {

23:                  return "1周前";

24:              }

25:              else if (span.TotalDays > 1)

26:              {

27:                  return string.Format("{0}天前", (int)Math.Floor(span.TotalDays));

28:              }

29:              else if (span.TotalHours > 1)

30:              {

31:                  return string.Format("{0}小时前", (int)Math.Floor(span.TotalHours));

32:              }

33:              else if (span.TotalMinutes > 1)

34:              {

35:                  return string.Format("{0}分钟前", (int)Math.Floor(span.TotalMinutes));

36:              }

37:              else if (span.TotalSeconds >= 1)

38:              {

39:                  return string.Format("{0}秒前", (int)Math.Floor(span.TotalSeconds));

40:              }

41:              else

42:              {

43:                  return "1秒前";

44:              }

45:          }

46: