Ruby DateTime zone()函数

DateTime#zone() : zone() 是DateTime类的一个方法，用于返回给定DateTime对象的时区。

语法。DateTime.zone()

参数。DateTime值

返回：给定DateTime对象的时区。

例子 #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

例子 #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