根据Java中的日数获取日期 [英] Get Date based on day count in Java
本文介绍了根据Java中的日数获取日期的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
天数
。如何将它转换为Java中的日期
?解决方案
使用日历算法
日历c = Calendar.getInstance();
c.set(Calendar.YEAR,2013);
c.set(Calendar.MONTH,Calendar.JANUARY);
c.set(Calendar.DATE,1);
c.set(Calendar.HOUR,0);
c.set(Calendar.MINUTE,0);
c.set(Calendar.SECOND,0);
c.set(Calendar.MILLISECOND,0);
c.add(Calendar.DATE,numberOfDays);
日期date = c.getTime();
请注意,由于DST(夏令时),结果可能因不同区域设置而异。上述示例使用默认语言环境。
Simple Question, but Google surprisingly had little on this. I have the number of days
from Jan 1st of the year. How can I convert that to a date
in Java?
解决方案
Use Calendar for date arithmetic
Calendar c = Calendar.getInstance();
c.set(Calendar.YEAR, 2013);
c.set(Calendar.MONTH, Calendar.JANUARY);
c.set(Calendar.DATE, 1);
c.set(Calendar.HOUR, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
c.add(Calendar.DATE, numberOfDays);
Date date = c.getTime();
Note that the result may be different for different locales because of DST (summer time). The above example uses default locale.
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