导入数据

# db/seeds.rb (Rails 2.3.4)

["admin", "author", "editor", "account"].each do |name|
    Role.create!(:name => name)
end

rake db:seed

# lib/tasks/dev.rake (before Rails 2.3.4)

namespace :dev do

    desc "Setup seed data"
    task :setup => :environment do
        ["admin", "author", "editor", "account"].each do |name|
            Role.create!(:name => name)
        end
    end
end

rake dev:setup