本文介绍了从日历对象获取WEEK_OF_YEAR时出现问题的处理方法，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
从日历对象中获取 WEEK_OF_YEAR 时出现问题。
I am getting issue while fetching WEEK_OF_YEAR from calendar object.
by passing date '31-Dec-2014':
calendar1.get(Calendar.WEEK_OF_YEAR) - return 1
by passing date '31-Dec-2015'
calendar1.get(Calendar.WEEK_OF_YEAR) - return 53
by passing date '31-Dec-2016'
calendar1.get(Calendar.WEEK_OF_YEAR) - return 52
by passing date '31-Dec-2017'
calendar1.get(Calendar.WEEK_OF_YEAR) - return 52
by passing date '31-Dec-2018'
calendar1.get(Calendar.WEEK_OF_YEAR) - return 1
每次返回不同的值。您可以帮我解决这个问题。
Every time it returns different value . Could you please help me to solve this issue.
代码如下。
Calendar calendar1 = Calendar.getInstance();
calendar1.setTime('31-Dec-2012');
calendar1.set(Calendar.HOUR_OF_DAY, 0);
calendar1.setFirstDayOfWeek(Calendar.MONDAY);
推荐答案
WEEK_OF_YEAR 定义是Locale依赖，您可以在：
WEEK_OF_YEAR definition is Locale dependent as you can see in this javadoc :
还可以查看或在查看周的差异。
also have a look at this question or at Wiki - ISO clock to see the week difference.
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