Rails 6
在我的 config/routes.rb 中，我有：
match "customers/current_customers" => "customers#current_customers", as: :current_customers, via: [:get]
在我的下拉菜单中，我有：
.dropdown-menu aria-labelledby="Customers"
button.dropdown-item type="button"
= link_to current_customers_path
= t('current_customers')
我的路线，显示：
customers GET /customers(.:format) customers#index
POST /customers(.:format) customers#create
new_customer GET /customers/new(.:format) customers#new
edit_customer GET /customers/:id/edit(.:format) customers#edit
customer GET /customers/:id(.:format) customers#show
PATCH /customers/:id(.:format) customers#update
PUT /customers/:id(.:format) customers#update
DELETE /customers/:id(.:format) customers#destroy
current_customers GET /customers/current_customers(.:format) customers#current_customers
和。在控制器/customers_controller.rb 中，我有：
def current_customers
@customers = Customer.current_customers
end
当我选择菜单项时，开发日志告诉我：
Started GET "/customers/current_customers" for 127.0.0.1 at 2020-03-13 18:04:15 -0700
Processing by CustomersController#show as HTML
Parameters: {"id"=>"assigned_customers"}
显然，这失败了，并显示以下消息：
ActiveRecord::RecordNotFound (Couldn't find Customer with 'id'=current_customers):
app/controllers/customers_controller.rb:86:in `set_customer'
为什么要执行show操作，而不是 current_customers？
您的路线从上到下进行处理，并且优先考虑那些在顶部的路线。
假设你也有一个resources :customers，然后在这下面是match ...，优先考虑match应该让你得到你正在寻找的结果。此外，使用collection：
match "customers/current_customers" => "customers#current_customers", as: :current_customers, via: [:get]
resources :customers
或（首选）
resources :customers do
collection do
get :current_customers
end
end
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