红宝石 |日期时间区()函数
DateTime#zone() : zone()是一个 DateTime 类方法,它返回给定 DateTime 对象的时区。
Syntax: DateTime.zone()
Parameter: DateTime values
Return: the time zone for a given DateTime object.
示例 #1:
# Ruby code for DateTime.zone() 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))
# zone method
puts "DateTime zone form : #{date_a.zone}\n\n"
puts "DateTime zone form : #{date_b.zone}\n\n"
puts "DateTime zone form : #{date_c.zone}\n\n"
输出 :
DateTime zone form : +00:00
DateTime zone form : +00:00
DateTime zone form : +04:00
示例 #2:
# Ruby code for DateTime.zone() 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')
# zone method
puts "DateTime zone form : #{date_a.zone}\n\n"
puts "DateTime zone form : #{date_b.zone}\n\n"
puts "DateTime zone form : #{date_c.zone}\n\n"
输出 :
DateTime zone form : +00:00
DateTime zone form : +04:30
DateTime zone form : +03:00