在Sinatra帖子上读取参数 [英] reading parameters on Sinatra post

问题描述

我正在开发我的第一个Sinatra应用程序，我很难从发帖请求中获取参数.

I'm working on my first Sinatra app and I have an hard time getting parameters from a post request.

我正在使用MiniTest :: Spec，我的规格看起来像

I'm using MiniTest::Spec and my spec looks like

 payload = File.read("./spec/support/fixtures/payload.json")
 post "/api/v1/verify_payload", { payload: payload }, { "CONTENT_TYPE" => "application/json" } 
 last_response.body.must_eql payload

这是我的路线

namespace '/api/v1' do
  post '/verify_payload' do
    MultiJson.load(params[:payload])
  end
end

规范失败，因为last_response.body为空.

我在这里想念东西吗?

我还尝试从verify_payload返回整个params，但在这种情况下，它还返回了一个空字符串.

I also tried to return the entire params from verify_payload but also in that case it returned an empty string.

更新

curl -X POST -H "Content-Type: application/json" -d '{"payload":"xyz"}' http://localhost:9292/api/v1/verify_payload

不返回任何内容，并且服务器日志上没有错误

does not return anything and no error on the server log

[2014-01-06 01:16:25] INFO  WEBrick::HTTPServer#start: pid=10449 port=9292
127.0.0.1 - - [06/Jan/2014 01:16:27] "POST /api/v1/verify_payload HTTP/1.1" 200 6 0.0220

谢谢

推荐答案

Sinatra只是不解析此数据，因为它们不是表单参数.

Sinatra just don't parse this data, because they are no form parameters.

Form参数如下所示

Form parameter would look like this

curl -X POST 127.1:4567/-d"foo = bar"

curl -X POST 127.1:4567/ -d "foo=bar"

您可以仅使用request.body.read或使用机架贡献来代替参数.

Instead of params you can just use request.body.read or use rack contrib.

机架控制

1. 通过gem install rack-contrib
安装

2. 需要它

1. Install it with gem install rack-contrib

2. require it

需要机架"

require 'rack'

需要机架/容器"

加载use Rack::PostBodyContentTypeParser

与此相关，您可以像往常一样将params用于json发布数据.像这样:

with this you can use params as normal for json post data. Something like this:

curl -X POST -H"Content-Type:application/json" -d'{"payload":"xyz"}'127.1:4567/

curl -X POST -H "Content-Type: application/json" -d '{"payload":"xyz"}' 127.1:4567/

来源: Sinatra控制器params方法在JSON发布请求中为空， http://jaywiggins.com/2010/03/using-rack-middleware-to-parse -json/

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