我从
http://sourceforge.net/projects/joda-time/files/joda-time/2.2/下载的Joda时间罐有问题.当我使用以下代码段时,我可以得到结果
static void timeDifferencewithJoda() { String dateStart = "01/14/2012 09:29:58"; String dateStop = "01/15/2012 10:31:48"; SimpleDateFormat format = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss"); Date d1 = null; Date d2 = null; try { d1 = format.parse(dateStart); d2 = format.parse(dateStop); DateTime dt1 = new DateTime(d1); DateTime dt2 = new DateTime(d2); System.out.print(Days.daysBetween(dt1,dt2).getDays() + " days,"); System.out.print(Hours.hoursBetween(dt1,dt2).getHours() % 24 + " hours,"); System.out.print(Minutes.minutesBetween(dt1,dt2).getMinutes() % 60 + " minutes,"); System.out.print(Seconds.secondsBetween(dt1,dt2).getSeconds() % 60 + " seconds."); } catch (Exception e) { e.printstacktrace(); } }
结果是
1 days,1 hours,1 minutes,50 seconds.
但我面对这个时差的冲突.
01/14/2012 09:29:58 01/15/2012 10:31:48
这两个时间已经宣布,但没有迹象表明像AM或PM这样的时期.即,时间可能是早上或晚上.我如何得到确切的时差?
任何有关这方面的帮助都会很有用.
解决方法
使用
Joda formatter(非AM / PM)
final String dateStart = "01/14/2012 09:29:58"; final String dateStop = "01/15/2012 10:31:48"; final DateTimeFormatter format = DateTimeFormat.forPattern("MM/dd/yyyy HH:mm:ss"); final DateTime dt1 = format.parseDateTime(dateStart); final DateTime dt2 = format.parseDateTime(dateStop); System.out.print(Days.daysBetween(dt1,"); System.out.print(Hours.hoursBetween(dt1,"); System.out.print(Minutes.minutesBetween(dt1,"); System.out.print(Seconds.secondsBetween(dt1,dt2).getSeconds() % 60 + " seconds.");
使用Joda formatter(带AM / PM)
final String dateStart = "01/14/2012 09:29:58 AM"; final String dateStop = "01/15/2012 10:31:48 PM"; final DateTimeFormatter format = DateTimeFormat.forPattern("MM/dd/yyyy hh:mm:ss a"); final DateTime dt1 = format.parseDateTime(dateStart); final DateTime dt2 = format.parseDateTime(dateStop); System.out.print(Days.daysBetween(dt1,dt2).getSeconds() % 60 + " seconds.");
用Period计算单位
final Period period = new Period(dt1,dt2); System.out.print(period.getDays() + " days,"); System.out.print(period.getHours() + " hours,"); System.out.print(period.getMinutes() + " minutes,"); System.out.print(period.getSeconds() + " seconds.");
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