我有以下格式的字符串:"2013-02-20T17:24:33Z"
和"Mon Feb 25 02:42:27 +0000 2013"
。
有没有快速的方法将它们转换成日期时间格式,以便可以进行相等性测试和/或排序。
clj-time确实允许我使用这种格式(date-time 1986 10 14 4 3 27 456)
。但是为了实现这一点,我必须解析上述两个字符串。由于上述字符串是标准格式,是否有一种方法直接将它们转换为日期时间对象?
谢谢, Murtaza
我有以下格式的字符串:"2013-02-20T17:24:33Z"
和"Mon Feb 25 02:42:27 +0000 2013"
。
有没有快速的方法将它们转换成日期时间格式,以便可以进行相等性测试和/或排序。
clj-time确实允许我使用这种格式(date-time 1986 10 14 4 3 27 456)
。但是为了实现这一点,我必须解析上述两个字符串。由于上述字符串是标准格式,是否有一种方法直接将它们转换为日期时间对象?
谢谢, Murtaza
clj-time有标准的格式定义,参见clj-time.format/show-formatters
,但是你的第二个格式在clj-time看来并不是一个“标准”格式(尽管它看起来非常接近rfc822)。你可以创建自定义格式...
(use 'clj-time.format)
(parse (formatters :date-time-no-ms) "2013-02-20T17:24:33Z")
#<DateTime 2013-02-20T17:24:33.000Z>
(parse (formatter "E MMM dd hh:mm:ss Z YYYY") "Mon Feb 25 02:42:27 +0000 2013" )
#<DateTime 2013-02-25T02:42:27.000Z>
(show-formatters)
:basic-date 20130228
:basic-date-time 20130228T114047.213Z
:basic-date-time-no-ms 20130228T114047Z
:basic-ordinal-date 2013059
:basic-ordinal-date-time 2013059T114047.213Z
:basic-ordinal-date-time-no-ms 2013059T114047Z
:basic-t-time T114047.213Z
:basic-t-time-no-ms T114047Z
:basic-time 114047.213Z
:basic-time-no-ms 114047Z
:basic-week-date 2013W094
:basic-week-date-time 2013W094T114047.213Z
:basic-week-date-time-no-ms 2013W094T114047Z
:date 2013-02-28
:date-hour 2013-02-28T11
:date-hour-minute 2013-02-28T11:40
:date-hour-minute-second 2013-02-28T11:40:47
:date-hour-minute-second-fraction 2013-02-28T11:40:47.213
:date-hour-minute-second-ms 2013-02-28T11:40:47.213
:date-time 2013-02-28T11:40:47.213Z
:date-time-no-ms 2013-02-28T11:40:47Z
:hour 11
:hour-minute 11:40
:hour-minute-second 11:40:47
:hour-minute-second-fraction 11:40:47.213
:hour-minute-second-ms 11:40:47.213
:ordinal-date 2013-059
:ordinal-date-time 2013-059T11:40:47.213Z
:ordinal-date-time-no-ms 2013-059T11:40:47Z
:rfc822 Thu, 28 Feb 2013 11:40:47 +0000
:t-time T11:40:47.213Z
:t-time-no-ms T11:40:47Z
:time 11:40:47.213Z
:time-no-ms 11:40:47Z
:week-date 2013-W09-4
:week-date-time 2013-W09-4T11:40:47.213Z
:week-date-time-no-ms 2013-W09-4T11:40:47Z
:weekyear 2013
:weekyear-week 2013-W09
:weekyear-week-day 2013-W09-4
:year 2013
:year-month 2013-02
:year-month-day 2013-02-28
(let [input "Mon Feb 25 02:42:27 +0000 2013"
fmt (java.text.SimpleDateFormat. "EEE MMM dd HH:mm:ss zzz yyyy")]
(.parse fmt input))