java 将 Joda LocalDateTime 转换为 Unix 时间戳
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Convert Joda LocalDateTime to Unix timestamp
提问by Denis Kulagin
How do I convert a org.joda.time.LocalDateTimeto an Unix timestamp, given that local time is in UTC timezone?
org.joda.time.LocalDateTime鉴于本地时间在 UTC 时区，如何将 a 转换为 Unix 时间戳？
Example:
例子：
new LocalDateTime(2015, 10, 02, 11, 31, 40)> 1443785500.
new LocalDateTime(2015, 10, 02, 11, 31, 40)> 1443785500.
回答by Jon Skeet
Given that you want the Unix timestamp "the given LocalDateTime, in UTC" the simplest approach is just to convert it to a DateTimeby specifying the DateTimeZonefor UTC, and convert that:
鉴于您想要 Unix 时间戳“给定LocalDateTime的 UTC”，最简单的方法就是DateTime通过指定DateTimeZonefor UTC将其转换为 a ，然后将其转换为：
LocalDateTime local = new LocalDateTime(2015, 10, 02, 11, 31, 40);
DateTime utc = local.toDateTime(DateTimeZone.UTC);
long secondsSinceEpoch = utc.getMillis() / 1000;
Note the use of seconds here as a Unix timestamp - other APIs (e.g. java.util.Date) may expect milliseconds since the Unix epoch.
请注意这里使用秒作为 Unix 时间戳 - 其他 API（例如java.util.Date）可能期望自 Unix 纪元以来的毫秒数。
