如何在同一个Rails控制器操作中处理多个HTTP方法

Question

假设我想在同一个URL上同时支持GET和POST方法.我将如何处理rails控制器动作？

Answer 1

您可以使用request.post检查它是否是帖子？

if request.post?
  #handle posts
else
  #handle gets
end

让你的路线工作:

resources :photos do
  member do
    get 'preview'
    post 'preview'
  end
end

Answer 2

这是另一种方式.我包含了示例代码,用于响应不支持的方法405,并在URL上使用OPTIONS方法时显示支持的方法.

在 app/controllers/foo/bar_controller.rb

before_action :verify_request_type

def my_action
  case request.method_symbol
  when :get
    ...
  when :post
    ...
  when :patch
    ...
  when :options
    # Header will contain a comma-separated list of methods that are supported for the resource.
    headers['Access-Control-Allow-Methods'] = allowed_methods.map { |sym| sym.to_s.upcase }.join(', ')
    head :ok
  end
end

private

def verify_request_type
  unless allowed_methods.include?(request.method_symbol)
    head :method_not_allowed # 405
  end
end

def allowed_methods
  %i(get post patch options)
end

在 config/routes.rb

match '/foo/bar', to: 'foo/bar#my_action', via: :all

Answer 3

只需要使用它，只在相同的路线上使用get和post

resources :articles do
  member do
    match 'action_do-you_want', via: [:get, :post]
  end
end