红宝石 | UTC时间？函数

Time#utc?() : utc?()是一个 Time 类方法，它检查时间是否转换为 UTC (GMT)，修改接收器。

Syntax: Time.utc?()

Parameter: Time values

Return: true – if there is a time conversion to UTC (GMT), modifying the receiver Otherwise return false.

示例 #1：

# Ruby code for Time.utc?() 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"
  
  
# utc? form 
puts "Time a utc? form : #{a.utc?}\n\n"
puts "Time b utc? form : #{b.utc?}\n\n"
puts "Time c utc? form : #{c.utc?}\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 utc? form : false

Time b utc? form : false

Time c utc? form : false

示例 #2：

# Ruby code for Time.utc?() 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"
  
  
# utc? form 
puts "Time a utc? form : #{a.utc?}\n\n"
puts "Time b utc? form : #{b.utc?}\n\n"
puts "Time c utc? form : #{c.utc?}\n\n"

输出 ：

Time a : 2019-08-27 09:27:06 +0000

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

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



Time a utc? form : false

Time b utc? form : false

Time c utc? form : false