使用LocalDateTime 获取某个时间点的小时

使用LocalDateTime获取某个时间点的小时可以通过调用LocalDateTime对象的getHour()方法实现。这个方法会返回一个整数，表示指定时间点的小时数。比如，如果我们有一个LocalDateTime对象叫做dateTime，我们可以使用dateTime.getHour()来获取该时间点的小时数。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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