Java中String、LocalDateTime、LocalDate、Date互转

String 转 LocalDate、LocalDateTime

LocalDate startDate = LocalDate.parse("2019-12-05", DateTimeFormatter.ofPattern("yyyy-MM-dd"));

LocalDateTime startDateTime = LocalDateTime.parse("2019-12-05 15:30:11", DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));

LocalDate、LocalDateTime 转 Date

Date date = Date.from(LocalDate.now().atStartOfDay().atZone(ZoneId.systemDefault()).toInstant());

Date date = Date.from(LocalDateTime.now().atZone(ZoneId.systemDefault()).toInstant());

LocalDate、LocalDateTime 转 String

String currentTime = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));

String currentTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));