//获取当前日期
LocalDate now = LocalDate.now();
System.out.println(now);
LocalDate tenDaysAgo = now.plusDays(-10);
System.out.println(tenDaysAgo);
//获取指定日期
System.out.println("测试跨年————————————————");
LocalDate localDate = LocalDate.of(2021, 1, 1);
System.out.println(localDate);
LocalDate lastYearDay = localDate.plusDays(-1);
System.out.println(lastYearDay);