import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.Date;
public class TestMain {
public static void main(String[] args) {
LocalDate localDate = LocalDate.now();//.with(TemporalAdjusters.next(DayOfWeek.FRIDAY));
// 格式化LocalDate或LocalTime
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMdd");
System.out.println(localDate.format(formatter));
// LocalDate转Date
System.out.println(Date.from(localDate.atStartOfDay().atZone(ZoneId.systemDefault()).toInstant()));
LocalDateTime localTime = LocalDateTime.now();
// LocalDateTime转Date
System.out.println(Date.from(localTime.atZone(ZoneId.systemDefault()).toInstant()));
}
}