Ruby DateTime offset()函数
DateTime#offset()是DateTime类的一个方法,用于返回DateTime对象的偏移量。
语法。DateTime.offset()
参数。DateTime值
返回:DateTime对象的偏移量。
例子 #1 :
# Ruby code for DateTime.offset() method
# loading library
require 'date'
# declaring DateTime value
date_a = DateTime.new(2019, 8, 10, 4, 10, 9)
# declaring DateTime value
date_b = DateTime.new(2019, 8, 10.5)
# declaring DateTime value
date_c = DateTime.new(2019, 8, 10, 4, 10, 9, Rational(4, 24))
# offset method
puts "DateTime offset form : #{date_a.offset}\n\n"
puts "DateTime offset form : #{date_b.offset}\n\n"
puts "DateTime offset form : #{date_c.offset}\n\n"
输出:
DateTime offset form : 0/1
DateTime offset form : 0/1
DateTime offset form : 1/6
例子 #2 :
# Ruby code for DateTime.offset() method
# loading library
require 'date'
# declaring DateTime value
date_a = DateTime.new(2019, 8, 10, 5)
# declaring DateTime value
date_b = DateTime.parse('10 Aug 2018 04:10:06+04:30')
# declaring DateTime value
date_c = DateTime.new(2019, 8, 10, 4, 10, 9, '+03:00')
# offset method
puts "DateTime offset form : #{date_a.offset}\n\n"
puts "DateTime offset form : #{date_b.offset}\n\n"
puts "DateTime offset form : #{date_c.offset}\n\n"
输出:
DateTime offset form : 0/1
DateTime offset form : 3/16
DateTime offset form : 1/8