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我的方法：
@H_197_4@def render_erb(template_path,params) view = ActionView::Base.new(ActionController::Base.view_paths,{}) class << view include ApplicationHelper end view.render(:file => "#{template_path}.html.erb",:locals => params) end错误：
@H_197_4@ActionView::Template::Error: ActionView::Template::Error from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.0/lib/active_support/whiny_nil.rb:48:in `method_missing' from /Users/mikegerstenblatt/Desktop/blueTrain/lib/test.html.erb:17:in `_lib_test_html_erb__366962844_2173671680_68830' from /Library/Ruby/Gems/1.8/gems/actionpack-3.0.0/lib/action_view/template.rb:135:in `send' from /Library/Ruby/Gems/1.8/gems/actionpack-3.0.0/lib/action_view/template.rb:135:in `render' from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.0/lib/active_support/notifications.rb:54:in `instrument' from /Library/Ruby/Gems/1.8/gems/actionpack-3.0.0/lib/action_view/template.rb:127:in `render' from /Library/Ruby/Gems/1.8/gems/actionpack-3.0.0/lib/action_view/render/rendering.rb:59:in `_render_template' from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.0/lib/active_support/notifications.rb:52:in `instrument' from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.0/lib/active_support/notifications/instrumenter.rb:21:in `instrument' from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.0/lib/active_support/notifications.rb:52:in `instrument' from /Library/Ruby/Gems/1.8/gems/actionpack-3.0.0/lib/action_view/render/rendering.rb:56:in `_render_template' from /Library/Ruby/Gems/1.8/gems/actionpack-3.0.0/lib/action_view/render/rendering.rb:26:in `render' from /Users/mikegerstenblatt/Desktop/blueTrain/app/models/generated_website.rb:45:in `render_erb' from (irb):2基本上你需要这样做：
@H_197_4@class HelloWorldController < AbstractController::Base include AbstractController::rendering include AbstractController::Layouts include AbstractController::Helpers include AbstractController::Translation include AbstractController::AssetPaths include ActionController::UrlWriter self.view_paths = "app/views" def show; end end接着：
@H_197_4@HelloWorldController.new.show将返回渲染到String的视图.
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