如何在ruby中分析几天/小时/分钟/秒？

这是我去解析器.

class TimeParser
  TOKENS = {
    "m" => (60),"h" => (60 * 60),"d" => (60 * 60 * 24)
  }

  attr_reader :time

  def initialize(input)
    @input = input
    @time = 0
    parse
  end

  def parse
    @input.scan(/(\d+)(\w)/).each do |amount,measure|
      @time += amount.to_i * TOKENS[measure]
    end
  end
end

该策略相当简单.将“5h”分割为[“5”,“h”],定义“h”表示多少秒(TOKENS),并将该数量添加到@time.

TimeParser.new("1m").time
# => 60

TimeParser.new("1m wtf lol").time
# => 60

TimeParser.new("4h 30m").time
# => 16200

TimeParser.new("1d 4h").time
# => 100800

它不应该太难,它处理“1.5h”,看到代码库一样简单.