Java中判断某个日期是否在某两个日期区间内

最新推荐文章于 2024-08-01 17:14:34 发布

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本文介绍了使用Joda-Time库的Interval类进行日期区间判定的方法，并通过实例演示了如何判断一个时间点是否位于指定区间内。此外，还提供了一种Java原生API实现区间冲突检查的思路，包括如何避免相同SKU代码的有效期发生重叠。

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//日期区间判定可以使用Joda的Interval类
//计算特定日期是否在该区间内 [左闭右开区间，首包含尾不包含]参考contains源码的方法说明
Interval interval = new Interval(begin, end);
boolean contained = i.contains(new DateTime("2012-03-01 12:00:00"));

* For example:
* <pre>
* [09:00 to 10:00) contains 08:59 = false (before start)
* [09:00 to 10:00) contains 09:00 = true
* [09:00 to 10:00) contains 09:59 = true
* [09:00 to 10:00) contains 10:00 = false (equals end)
* [09:00 to 10:00) contains 10:01 = false (after end)
*
* [14:00 to 14:00) contains 14:00 = false (zero duration contains nothing)

Java原生Date API实现[Java8对日期API进行的增强，没研究，Joda就可以了，已经很强了]：
if (vopSkuHybrisModel.getStartDateTime().after(vopSkuHybrisModel.getEndDateTime()))
{
throw new InterceptorException("Error Info：The same VOP SKU Code starting time should be before the end time.");
}

final List<VopSkuHybrisModel> vopSkuHybrisModelList = vopSkuHybrisService.getByVpCode(vopSkuHybrisModel.getVopSkuCode());

if (CollectionUtils.isNotEmpty(vopSkuHybrisModelList))
{
   for (final VopSkuHybrisModel vpInDB : vopSkuHybrisModelList)
   {
       if (vpInDB.getPk().equals(vopSkuHybrisModel.getPk()))
       {
           continue;
       }
       // 左闭右闭区间
       if ((vopSkuHybrisModel.getStartDateTime().after(vpInDB.getStartDateTime())
               && vopSkuHybrisModel.getStartDateTime().before(vpInDB.getEndDateTime()))
               || (vopSkuHybrisModel.getEndDateTime().after(vpInDB.getStartDateTime())
                       && vopSkuHybrisModel.getEndDateTime().before(vpInDB.getEndDateTime()))
               || vpInDB.getEndDateTime().after(vopSkuHybrisModel.getStartDateTime())
                       && vpInDB.getEndDateTime().before(vopSkuHybrisModel.getEndDateTime())
               || (vpInDB.getStartDateTime().after(vopSkuHybrisModel.getStartDateTime())
                       && vpInDB.getStartDateTime().before(vopSkuHybrisModel.getEndDateTime())))
       {
           throw new InterceptorException("Error Info：The same VOP SKU Code starting time should be before the end time.");
       }
   }
}