[英]Rails, get url to engine controller action by params
我有两个孤立的发动机Offer
和Prices
。
我如何从提供引擎视图获取价格引擎控制器的url,使用hash与params?
#config/routes.rb
Rails.application.routes.draw do
mount Offers::Engine, at: "offers", as: "offers_routes"
mount Prices::Engine, at: "prices", as: "prices_routes"
end
#offers/offers_controller.rb
class Offers::OffersController
def show
end
end
#prices/prices_controller.rb
class Prices::PricesController
def index
end
end
#views/offers/show.html.slim
= link_to "Prices", { action:"index", controller:"prices/prices" }
在这种情况下link_to引发错误:
*** ActionController::RoutingError Exception: No route matches {:controller=>"prices/prices"}
我知道offers_routes.offers_path
助手,但在我的情况下,我应该使用hash与params。
如果使用引擎路由,则必须传递use_route
参数。
= link_to "Prices", { action:"index", controller:"prices/prices", use_route:"prices_routes" }
来源链接: https : //github.com/rails/rails/blob/v3.2.13/actionpack/lib/action_dispatch/routing/route_set.rb#L442
但这是更明确的解决方案:
= link_to "Prices", prices_routes.url_for(action:"index", controller:"prices/prices")
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