Ruby DateTime ordinal()函数
DateTime#ordinal() : ordinal()是DateTime类的一个方法,它返回一个DateTime对象,表示给定的序号日期。
语法。DateTime.ordinal()
参数。DateTime值
返回:一个表示给定序号日期的 DateTime 对象。
例子 #1 :
# Ruby code for DateTime.ordinal() method
# loading library
require 'date'
# declaring DateTime value
date_a = DateTime.ordinal(2019, 8, 10, 4, 10, 9)
# declaring DateTime value
date_b = DateTime.ordinal(2019, 8, 10.5)
# declaring DateTime value
date_c = DateTime.ordinal(2019, 8, 10, 4, 10, 9, Rational(4, 24))
# ordinal method
puts "DateTime ordinal form : #{date_a}\n\n"
puts "DateTime ordinal form : #{date_b}\n\n"
puts "DateTime ordinal form : #{date_c}\n\n"
输出:
DateTime ordinal form : 2019-01-08T10:04:10+00:00
DateTime ordinal form : 2019-01-08T10:30:00+00:00
DateTime ordinal form : 2019-01-08T10:04:10+00:00
例子 #2 :
# Ruby code for DateTime.ordinal() method
# loading library
require 'date'
# declaring DateTime value
date_a = DateTime.ordinal(2019, 8, 10, 5)
# declaring DateTime value
date_b = DateTime.parse('10 Aug 2018 04:10:06+04:30')
# ordinal method
puts "DateTime ordinal form : #{date_a}\n\n"
puts "DateTime ordinal form : #{date_b}\n\n"
输出:
DateTime ordinal form : 2019-01-08T10:05:00+00:00
DateTime ordinal form : 2018-08-10T04:10:06+04:30