Ruby 时间 strftime()函数

Ruby 时间 strftime()函数

Time#strftime()是一个时间类方法,它根据给定格式字符串中的指令返回时间格式。

语法。Time.strftime()

参数。时间值

返回:根据给定格式字符串中的指令,返回时间格式。

例子 #1 :

# Ruby code for Time.strftime() 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"
  
  
# strftime form 
puts "Time a strftime form : #{a.strftime("at %I:%M %p")}\n\n"
puts "Time b strftime form : #{b.strftime("Is published on %m/%d/%Y")}\n\n"
puts "Time c strftime form : #{c.strftime("at %I:%M %p")}\n\n"

输出:

Time a : 2019-01-01 00:00:00 +0000

Time b : 2019-10-01 00:00:00 +0000

Time c : 2019-12-31 00:00:00 +0000



Time a strftime form : at 12:00 AM

Time b strftime form : Is published on 10/01/2019

Time c strftime form : at 12:00 AM

例子 #2 :

# Ruby code for Time.strftime() method
  
# loading library
require 'time'
  
# 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"
  
  
# strftime form 
puts "Time a strftime form : #{a.strftime("at %I:%M %p")}\n\n"
puts "Time b strftime form : #{b.strftime("Is published on %m/%d/%Y")}\n\n"
puts "Time c strftime form : #{c.strftime("at %I:%M %p")}\n\n"

输出:

Time a : 2019-08-27 12:04:41 +0000

Time b : 1000-10-10 00:00:00 +0000

Time c : 2020-12-01 00:00:00 +0000



Time a strftime form : at 12:04 PM

Time b strftime form : Is published on 10/10/1000

Time c strftime form : at 12:00 AM

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