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我正在尝试找出执行以下操作的最佳方法（我能想到几种方法，但我想知道处理它的最佳方法是什么）：

用户正在整理货物，然后单击“发送”链接，该链接将他发送到该/shipments/:id/confirm页面。该confirm操作检查用户是否完成了ShippingAddress; 如果没有，它会将他发送到ShippingAddress#new. （如果他这样做了，它会渲染confirm页面。

我希望用户能够完成ShippingAddress#new页面，提交它，然后被重定向回/shipments/:id/confirm. 我怎样才能做到这一点？如何在不执行类似操作的情况下将其传递:id到页面？或者这是最好的方法吗？ShippingAddress#newredirect_to new_shipping_address_path(shipment_id: @shipment.id)Shipment#confirm

class ShipmentsController < ApplicationController
  def confirm
    @shipment = Shipment.where(id: params[:id]).first

    unless current_user.has_a_shipping_address?
        # Trying to avoid having a query string, but right now would do the below:
        #   in reality, there's a bit more logic in my controller, handling the cases
        #   where i should redirect to the CardProfiles instead, or where I don't pass the
        #   shipment_id, and instead use the default shipment.
        redirect_to new_shipping_address_path(shipment_id: @shipment.id)
    end
  end
end


class ShippingAddressesController < ApplicationController
  def new
    @shipment = Shipment.where(id: params[:shipment_id]).first
  end

  def create
    @shipment = Shipment.where(id: params[:shipment_id]).first

    redirect_to confirm_shipment_path(@shipment)
  end
end

【其实在收货地址之后还有一个CardProfiles#new页面需要填写】。

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1 回答 1

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尝试调用 render 而不是 redirect_to，并将 id 设置为实例变量。调整视图逻辑以提取该实例变量（如果存在）。

@shipment_id = @shipment.id
render new_shipping_address_path

在视图中

<%= form_for @shipment_address do |f| %>
  <% if @shipment_id %>
    <%= hidden_field_tag :shipment_id, @shipment_id %>
  <% end %>

我不完全了解您的视图逻辑，但举个例子。

于 2013-02-06T18:09:28.420 回答