1、Date转LocalDate

Date toDay = new Date();
LocalDate localDate = toDay.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();

2、LocalDate转Date

LocalDate localDate = LocalDate.parse("2023-01-01", DateTimeFormatter.ISO_LOCAL_DATE);
Date date = Date.from(localDate.atStartOfDay(ZoneId.systemDefault()).toInstant());