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开始日期与结束日期的用法

 4 years ago
source link: http://www.blogjava.net/paulwong/archive/2020/12/29/435759.html
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开始日期与结束日期的用法

通常要用到取某个时间段内的数据，那么时间段要如何定义？
取2020-12-01这天的数据，"2020-12-01 00:00:00" <= time < "2020-12-02 00:00:00"。
apache common3中提供了相应的方法：
startDate = DateUtils.parseDate(startDateStr, DATE_PATTERN);

String endDateStr = args.getOptionValues(END_DATE).get(0);
endDate = DateUtils.parseDate(endDateStr, DATE_PATTERN);

//清零开始日期，返回类似2020-12-01 00:00:00            
startDate = DateUtils.truncate(startDate, Calendar.DATE);
//取结束日期的上限，返回隔天的时间，2020-12-02 00:00:00
endDate = DateUtils.ceiling(endDate, Calendar.DATE);"。
apache common3中提供了相应的方法：

posted on 2020-12-29 10:37 paulwong 阅读(20) 评论(0)  编辑  收藏 所属分类: J2SE


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