Ruby--CSV时间:2023-03-09 04:50:47 1. 解析CSV: (1)读取文件:csv = CSV.read("#{Rails.root}/public/data/statecountycity.csv", :headers => true, :header_converters => lambda{|h| h.strip}) (2)遍历:csv.each do |row| {c_row = row.to_hash ......}