LocalDateTime获取去年月份

要获取去年的月份，可以使用LocalDateTime类的withYear()和withMonth()方法。首先，获取当前的LocalDateTime对象，然后使用withYear()方法将年份设置为去年所对应的年份，最后使用withMonth()方法将月份设置为需要获取的月份。具体代码如下所示：

LocalDateTime now = LocalDateTime.now();
LocalDateTime lastYear = now.withYear(now.getYear() - 1);
int month = lastYear.getMonthValue();

在这段代码中，首先获取当前的LocalDateTime对象now，然后使用withYear()方法将年份设置为去年，得到去年的LocalDateTime对象lastYear。最后，使用getMonthValue()方法获取去年的月份。<span class="em">1</span><span class="em">2</span><span class="em">3</span><span class="em">4</span>
#### 引用[.reference_title]
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