1.日期相关操作
public class AppTest
{
private static final DateTimeFormatter TIME_FLAG_PATTERN = DateTimeFormatter.ofPattern("yyyyMMdd");
private static final DateTimeFormatter TIME_FLAG_PATTERN_TOTAL = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
@Test
public void shouldAnswerWithTrue() throws Exception
{
LocalDateTime localDateTime = LocalDateTime.now();
LocalDate localDate = localDateTime.toLocalDate() ;
System.out.println(TIME_FLAG_PATTERN.format(localDateTime.plusDays(7)));
System.out.println(TIME_FLAG_PATTERN.format(localDateTime.minusDays(7)));
System.out.println(TIME_FLAG_PATTERN.format(localDateTime));
System.out.println(TIME_FLAG_PATTERN_TOTAL.format( localDate.atTime(LocalTime.MIN)));
System.out.println(TIME_FLAG_PATTERN_TOTAL.format( localDate.atTime(LocalTime.MAX)));
System.out.println(TIME_FLAG_PATTERN_TOTAL.format(LocalDateTime.of(localDate, LocalTime.MIN)));
System.out.println(TIME_FLAG_PATTERN_TOTAL.format(LocalDateTime.of(localDate, LocalTime.MAX)));
}
}
