Ruby Time to_f用法及代码示例

Time＃to_f()：to_f()是一种Time类方法，该方法返回时间值，作为自大纪元以来的秒数的浮点数。

用法：Time.to_f()

参数：时间值

返回：时间值，是自大纪元以来的秒数的浮点数。

范例1：

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

输出：

Time a:2019-01-01 00:00:00 +0100

Time b:2019-10-01 00:00:00 +0200

Time c:2019-12-31 00:00:00 +0100



Time a to_f form:1546297200.0

Time b to_f form:1569880800.0

Time c to_f form:1577746800.0

范例2：

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

输出：

Time a:2019-08-27 05:33:29 +0200

Time b:1000-10-10 00:00:00 +0053

Time c:2020-12-01 00:00:00 +0100



Time a to_f form:1566876809.577891

Time b to_f form:-30585862408.0

Time c to_f form:1606777200.0

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注：本文由纯净天空筛选整理自mayank5326大神的英文原创作品 Ruby | Time to_f function。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。