红宝石 |日期时间 new()函数
DateTime#new() : new()是一个 DateTime 类方法,它返回一个表示给定日历日期的 DateTime 对象。
Syntax: DateTime.new()
Parameter: DateTime values
Return: a DateTime object denoting the given calendar date.
示例 #1:
# Ruby code for DateTime.new() 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))
# new method
puts "DateTime new form : #{date_a}\n\n"
puts "DateTime new form : #{date_b}\n\n"
puts "DateTime new form : #{date_c}\n\n"
输出 :
DateTime new form : 2019-08-10T04:10:09+00:00
DateTime new form : 2019-08-10T12:00:00+00:00
DateTime new form : 2019-08-10T04:10:09+04:00
示例 #2:
# Ruby code for DateTime.new() 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')
# new method
puts "DateTime new form : #{date_a}\n\n"
puts "DateTime new form : #{date_b}\n\n"
puts "DateTime new form : #{date_c}\n\n"
输出 :
DateTime new form : 2019-08-10T05:00:00+00:00
DateTime new form : 2018-08-10T04:10:06+04:30
DateTime new form : 2019-08-10T04:10:09+03:00