Ruby Time isdst用法及代码示例

Time＃isdst()：isdst()是一种时间类方法，用于检查夏时制时间是否在其时区中发生。

用法：Time.isdst()

参数：时间值

返回：true-如果时间发生在夏令时所在的时区，否则返回false

范例＃1：

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

Time b isdst form:true

Time c isdst form:false

范例2：

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

输出：

Time a:2019-08-27 03:48:18 +0200

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

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



Time a isdst form:true

Time b isdst form:false

Time c isdst form:false

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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 isdst 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。