Long型轉ZonedDateTime型

/** * 將Long類型轉化成0 * @author yk * @param time * @return */public static ZonedDateTime toZonedDateTime(Long time){    SimpleDateFormat sdf = new SimpleDateFormat(LONG_DATE);    Date createDate = new Date(time);    String format = sdf.format(createDate);    DateTimeFormatter beijingFormatter = DateTimeFormatter.ofPattern(LONG_DATE).withZone(ZoneId.of("Asia/Shanghai"));    if(StringUtils.isBlank(format)){        return null;    }    ZonedDateTime beijingDateTime = ZonedDateTime.parse(format, beijingFormatter);    ZonedDateTime utc = beijingDateTime.withZoneSameInstant(ZoneId.of("UTC"));    return utc;}