Question

在我的宝石中，我使用以下生成器：

require 'rails/generators/base'
require 'thor'

module Gem
    module Generators

        class ViewsGenerator < Rails::Generators::Base

            class_option :split, desc: "ABC", type: :boolean, default: false

            unless options[:split]
                ...
            else
                ...
            end

        end

    end
end

旁注：可以添加Command Line Arguments。 +它工作正常，没有if条件。

我得到的例外：

[警告]无法加载发电机＆＃34;发电机/ amphtml / views_generator＆＃34 ;.错误：未定义的局部变量或方法选项＆＃39; for Amphtml :: Generators :: ViewsGenerator：Class。 C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/amphtml-0.1.4/lib/generators/amphtml/views_generator.rb：15：inclass：ViewsGenerator＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/amphtml-0.1.4/lib/generators/amphtml/views_generator.rb：7：在＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/amphtml-0.1.4/lib/generators/amphtml/views_generator.rb：5：inmodule：Amphtml＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/amphtml-0.1.4/lib/generators/amphtml/views_generator.rb：4：在＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/activesupport-5.1.0.beta1/lib/active_support/dependencies.rb：292：inrequire＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/activesupport-5.1.0.beta1/lib/active_support/dependencies.rb：292：在阻止需要＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/activesupport-5.1.0.beta1/lib/active_support/dependencies.rb：258：inload_dependency＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/activesupport-5.1.0.beta1/lib/active_support/dependencies.rb：292：在需要＆＃39; c：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/command/behavior.rb:82:inblock(2 level）in lookup＆＃39 ; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/command/behavior.rb：78：在每个＆＃39; c：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/command/behavior.rb:78:inblock in lookup＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/command/behavior.rb：77：在每个＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/command/behavior.rb：77：inlookup＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/generators.rb：250：在 find_by_namespace＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/generators.rb：267：ininvoke＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/commands/generate/generate_command.rb：19：在执行＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/thor-0.19.4/lib/thor/command.rb：27：inrun＆＃39; c：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/thor-0.19.4/lib/thor/invocation.rb:126:in invoke_command＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/thor-0.19.4/lib/thor.rb：369：indispatch＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/command/base.rb：63：在执行＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/command.rb：44：ininvoke＆＃39; C：/RailsInstaller/Ruby2.3.0/lib/ruby/gems/2.3.0/gems/railties-5.1.0.beta1/lib/rails/commands.rb：16：在＆＃39;箱/轨道：4：inrequire＆＃39; bin / rails：4：在`

我不知道发生了什么。

Answer 1

您需要将条件包装在调用生成器时调用的方法中：

def new(options)
  unless options[:split]
    ...
  else
    ...
  end
end

尝试this resource使用Thor构建生成器

Rails：未定义的局部变量或方法`options＆＃39;

1 个答案: