LocalDateTime与String、Date的互转

废话不说了，直接上代码，喜欢自取；可以封装成util类~~

1、得到当前的localDateTime

public static LocalDateTime getLocalDateTimeNow() {return LocalDateTime.now();}

2、String 按照一定的格式转换成LocalDateTime

public static LocalDateTime localDateTimeParse(String time, String pattern) {return LocalDateTime.parse(time, DateTimeFormatter.ofPattern(pattern));}

3、localDateTime 按照一定的格式转换成String

public static String localDateTimeFormat(LocalDateTime localDateTime, String pattern) {return localDateTime.format(DateTimeFormatter.ofPattern(pattern));}

4、Date 转换为LocalDateTime，默认时区为东8区

public static LocalDateTime dateConvertToLocalDateTime(Date date) {return date.toInstant().atOffset(ZoneOffset.of("+8")).toLocalDateTime();}

5、LocalDateTime 转换为 Date，默认时区为东8区

public static Date localDateTimeConvertToDate(LocalDateTime localDateTime) {return Date.from(localDateTime.toInstant(ZoneOffset.of("+8")));}

6、计算两个LocalDateTime 之间的毫秒数

public static Long minusToMillsLocalDateTime(LocalDateTime time1, LocalDateTime time2) {return Duration.between(time1, time2).toMillis();}

7、LocalDateTime获取毫秒数

获取秒数

Long second = LocalDateTime.now().toEpochSecond(ZoneOffset.of("+8"));

获取毫秒数

Long milliSecond = LocalDateTime.now().toInstant(ZoneOffset.of("+8")).toEpochMilli();

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