红宝石 |日期 asctime()函数

Date#asctime()是一个 Date 类方法，它以 asctime 格式返回字符串。它等价于 strftime('%c')。天文修改的儒略日数。

Syntax: Date.asctime()

Parameter: Date values

Return: the string in asctime format. strftime(‘%c’).the dastronomical modified Julian day number.

示例 #1：

# Ruby code for Date.asctime() method
  
# loading date
require 'date'
  
# declaring Date 
a = Date.new(2019, 1, 1)
  
# declaring Date
b = Date.jd(2452004)
  
# declaring Date
c = Date.ordinal(2019, 12)
  
# Date 
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"
  
  
# asctime form 
puts "Date a asctime form : #{a.asctime}\n\n"
puts "Date b asctime form : #{b.asctime}\n\n"
puts "Date c asctime form : #{c.asctime}\n\n"

输出 ：

Date a : 2019-01-01

Date b : 2001-04-04

Date c : 2019-01-12



Date a asctime form : Tue Jan  1 00:00:00 2019

Date b asctime form : Wed Apr  4 00:00:00 2001

Date c asctime form : Sat Jan 12 00:00:00 2019

示例 #2：

# Ruby code for Date.asctime() method
  
# loading date
require 'date'
  
# declaring Date 
a = Date.parse('2019-01-01')
  
# declaring Date
b = Date.strptime('03-12-2019', '%d-%m-%Y')
  
# declaring Date
c = Date.commercial(2019, 5, 6)
  
# Date 
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"
  
  
# asctime form 
puts "Date a asctime form : #{a.asctime}\n\n"
puts "Date b asctime form : #{b.asctime}\n\n"
puts "Date c asctime form : #{c.asctime}\n\n"

输出 ：

Date a : 2019-01-01

Date b : 2019-12-03

Date c : 2019-02-02



Date a asctime form : Tue Jan  1 00:00:00 2019

Date b asctime form : Tue Dec  3 00:00:00 2019

Date c asctime form : Sat Feb  2 00:00:00 2019