ruby create CSV
CSV.open("file.csv", "a+") do |csv|
csv << ["cow", "3","2500"]
endruby create CSV
CSV.open("file.csv", "a+") do |csv|
csv << ["cow", "3","2500"]
endruby on rails csv import
// Model
require 'csv'
def self.import(file)
CSV.foreach(file.path, headers: true) do |row|
to_hash = row.to_hash
// Deal with to_hash header and data. Example Create
user = create(
name: to_hash['name'],
email: to_hash['email'],
lastname: to_hash['lastname']
)
end
end
// Controller
def import
Model.import(params[:file])
end
// View
= form_tag route_path, multipart: true, remote: true do
= file_field_tag :file,
= button_tag 'Import'generate csv ruby
require 'csv'
csv_string = CSV.generate do |csv|
csv << ["row", "of", "CSV", "data"]
csv << ["another", "row"]
# ...
endCopyright © 2021 Codeinu
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