红宝石 |时间 to_date()函数
Time#to_date()是一个 Time 类方法,它返回一个自身的 Date 对象。
Syntax: Time.to_date()
Parameter: Time values
Return: a self Date object.
示例 #1:
# Ruby code for Time.to_date() 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"
# to_date form
puts "Time a to_date form : #{a.to_date}\n\n"
puts "Time b to_date form : #{b.to_date}\n\n"
puts "Time c to_date form : #{c.to_date}\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 to_date form : 2019-01-01
Time b to_date form : 2019-10-01
Time c to_date form : 2019-12-31
示例 #2:
# Ruby code for Time.to_date() 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"
# to_date form
puts "Time a to_date form : #{a.to_date}\n\n"
puts "Time b to_date form : #{b.to_date}\n\n"
puts "Time c to_date form : #{c.to_date}\n\n"
输出 :
Time a : 2019-08-27 12:18:20 +0000
Time b : 1000-10-10 00:00:00 +0000
Time c : 2020-12-01 00:00:00 +0000
Time a to_date form : 2019-08-27
Time b to_date form : 1000-10-04
Time c to_date form : 2020-12-01