Ruby 时间 rfc822函数

Ruby 时间 rfc822函数

Time#rfc822() : rfc822() 是一个时间类方法,它返回代表RFC 822定义的日期时间的字符串。

语法。Time.rfc822()

参数。时间值

返回:代表RFC 822所定义的日期时间的字符串。

例子 #1 :

# Ruby code for Time.rfc822() method
  
# loading library
require 'time'
  
# declaring time 
a = Time.new(2019)
  
# declaring time
b = Time.new(2019, 10)
  
# declaring time
c = Time.new(2019, 12, 31)
  
# Time 
puts "Time a : #{a}\n\n"
puts "Time b : #{b}\n\n"
puts "Time c : #{c}\n\n\n\n"
  
  
# rfc822 form 
puts "Time a rfc822 form : #{a.rfc822}\n\n"
puts "Time b rfc822 form : #{b.rfc822}\n\n"
puts "Time c rfc822 form : #{c.rfc822}\n\n"

输出:

Time a : 2019-01-01 00:00:00 +0100

Time b : 2019-10-01 00:00:00 +0200

Time c : 2019-12-31 00:00:00 +0100



Time a rfc822 form : Tue, 01 Jan 2019 00:00:00 +0100

Time b rfc822 form : Tue, 01 Oct 2019 00:00:00 +0200

Time c rfc822 form : Tue, 31 Dec 2019 00:00:00 +0100

例子 #2 :

# Ruby code for Time.rfc822() method
  
# loading library
require 'time'
  
# declaring time 
a = Time.now
  
# declaring time
b = Time.new(1000, 10, 10)
  
# declaring time
c = Time.new(2020, 12)
  
# Time 
puts "Time a : #{a}\n\n"
puts "Time b : #{b}\n\n"
puts "Time c : #{c}\n\n\n\n"
  
  
# rfc822 form 
puts "Time a rfc822 form : #{a.rfc822}\n\n"
puts "Time b rfc822 form : #{b.rfc822}\n\n"
puts "Time c rfc822 form : #{c.rfc822}\n\n"

输出:

Time a : 2019-08-27 04:07:37 +0200

Time b : 1000-10-10 00:00:00 +0053

Time c : 2020-12-01 00:00:00 +0100



Time a rfc822 form : Tue, 27 Aug 2019 04:07:37 +0200

Time b rfc822 form : Fri, 10 Oct 1000 00:00:00 +0053

Time c rfc822 form : Tue, 01 Dec 2020 00:00:00 +0100

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