Joda-Time:获取特定年份的最大周数 [英] Joda-Time: Get max number of weeks for particular year

问题描述

如何使用 Joda-Time 来获得特定年份的最大周数. ?

How do I get the maximum number of weeks for a particular year with Joda-Time?

推荐答案

new DateTime().withYear(PARTICULAR_YEAR).weekOfWeekyear().getMaximumValue();

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@cody评论

两种方法之间的差异 .withWeekOfWeekyear() 和 .withWeekyear()

Difference between the two methods .withWeekOfWeekyear() and .withWeekyear()

示例

new DateTime().withDate(2011, 1, 2);   

2/1/2011       : Sunday, last day of last week of 2010 (27/12/2010 - 2/1/2011)   
dayOfWeek      : 7
weekOfWeekyear : 52  
weekyear       : 2010

new DateTime().withDate(2011, 1, 3);

3/1/2011       : Monday, first day of first week of 2011 (3/1/2011 - 9/1/2011)
dayOfWeek      : 1
weekOfWeekyear : 1
weekyear       : 2011

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