红宝石 |日期 ctime()函数

Date#ctime()是一个 Date 类方法，它返回 asctime 格式的字符串，等效于 strftime('%c')。

Syntax: Date.ctime()

Parameter: Date values

Return: a string in asctime format and is equivalent to strftime(‘%c’).

示例 #1：

# Ruby code for Date.ctime() 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"
  
  
# ctime form 
puts "Date a ctime form : #{a.ctime}\n\n"
puts "Date b ctime form : #{b.ctime}\n\n"
puts "Date c ctime form : #{c.ctime}\n\n"

输出 ：

Date a : 2019-01-01

Date b : 2001-04-04

Date c : 2019-01-12



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

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

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

示例 #2：

# Ruby code for Date.ctime() 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"
  
  
# ctime form 
puts "Date a ctime form : #{a.ctime}\n\n"
puts "Date b ctime form : #{b.ctime}\n\n"
puts "Date c ctime form : #{c.ctime}\n\n"

输出 ：

Date a : 2019-01-01

Date b : 2019-12-03

Date c : 2019-02-02



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

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

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