编程打卡：来玩玩Ruby语言吧3！
module ActAsCsv
def self.included(base)
base.extend ClassMethods
end
module ClassMethods
def act_as_csv
include InstanceMethods
end
end
module InstanceMethods
def read
@csv_contents = []
filename = self.class.to_s.downcase + '.txt'
file = File.new(filename)
@header = file.gets.chomp.split(', ')
file.each do |row|
@csv_contents << row.chomp.split(', ')
end
end
attr_accessor :headers, :csv_contents
def initialize
read
end
end
end
class RubyCsv
include ActAsCsv
act_as_csv
end
m = RubyCsv.new
puts m.headers.inspect
puts m.csv_contents.inspect