Rails，您如何以绝对最低的级别访问原始请求数据? [英] Rails, how do you access the raw request data at the absolute lowest level?

问题描述

Rails request对象在请求生命周期中最早何时可用?本质上，请求什么时候最先作为请求对象可用，在哪个对象中可用? ActionDispatch?

When is the Rails request object available at the earliest time during the request lifecycle? Essentially, when is the request first available as a request object, and in which object? ActionDispatch?

您可以从Tester::Application访问请求参数吗?如果是这样，怎么办?如果没有，那么如何使用环境?该信息何时设置?

Can you access request parameters from Tester::Application? If so, how? If not, what about using the environment? When is that information set?

推荐答案

Rack网络服务器创建request对象，然后ActionDispatch继承该对象.因此，从本质上讲，您将能够访问应用程序中间件中的Rack::Request或ActionDispatch::Request对象.

The Rack webserver creates the request object and then ActionDispatch inherits from it. So essentially, you'd be able to access the Rack::Request or ActionDispatch::Request objects within the middleware of the app.

机架::请求

https://github.com/rack/rack/blob/master/lib/rack/request.rb

ActionDispatch ::请求

https://github.com/rails/rails/blob/master/actionpack/lib/action_dispatch/http/request.rb

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