Ruby: Receive and print JSON object_问答_开发者

开发者 https://www.devze.com 2023-02-25 04:55 出处：网络

I want to receive a JSON object using Ruby. I\'ve written this: require \'sinatra\' require \'json\' post \'/\' do

I want to receive a JSON object using Ruby. I've written this:

require 'sinatra'
require 'json'

post '/' do
  push = JSON.parse(params[:payload])
  "I got some JSON: #{push.inspect}"
end

And I'm sending:

var options = {
                  host: 'localhost',
                  port: 4567,
                  path: '/',
                  method: 'POST'
                };

var myFirstJSON = { "payload" : { "headers" : 
                                            [{ "from" : from,
                                                "to"  : to,
                                                "subject" : subject }],
                  开发者_JS百科              "body"    : 
                                            [{ "primeira_parte" : primeira_parte,
                                                "segunda_parte" : segunda_parte,
                                                "terceira_parte": terceira_parte }]
                                }};
            req.write(JSON.stringify(myFirstJSON));

However, I'm getting this error:

TypeError - can't convert nil into String:


{"{\"payload\":{\"headers\":"=>{"{\"from\":\"test@test.com\",\"to\":\"test@test.com\",\"subject\":\"Testing\"}"=>{",\"body\":"=>{"{\"primeira_parte\":\"The following message to <test@test.com> was undeliverable.\\r\\nThe reason for the problem:\\r\\n5.1.0 - Unknown address error 553-'sorry, this recipient is not in my valid"=>"\\r\\nrcptto list (#5.7.1)'\",\"segunda_parte\":\"Final-Recipient: rfc822"}}}, "test@test.com\\r\\nAction: failed\\r\\nStatus: 5.0.0 (permanent failure)\\r\\nRemote-MTA: dns"=>nil, "216.75.35.163"=>{"\\r\\nDiagnostic-Code: smtp"=>nil}, "5.1.0 - Unknown address error 553-'sorry, this recipient is not in my validrcptto list (#5.7.1)' (delivery attempts: 0)\",\"terceira_parte\":\"Received: from unknown (HELO aws-bacon-delivery-svc-iad-1020.vdc.amazon.com) ("=>{"10.144.21.123"=>{")\\r\\n  by na-mm-outgoing-6102-bacon.iad6.amazon.com with ESMTP"=>nil}}, "16 Apr 2011 14:11:15  0000\\r\\nReturn-Path: 0000012f5eb1cab3-09564031-57ef-4136-8cd7-9f368c5acd7d-000000@email-bounces.amazonses.com\\r\\nDate: Sat, 16 Apr 2011 14:23:20  0000\\r\\nFrom: tiago@tiagop.org\\r\\nTo: test@test.com\\r\\nMessage-ID: <0000012f5eb1cab3-09564031-57ef-4136-8cd7-9f368c5acd7d-000000@email.amazonses.com>\\r\\nSubject: Testing\\r\\nMime-Version: 1.0\\r\\nContent-Type: text/plain"=>nil, "\\r\\n charset"=>"UTF-8\\r\\nContent-Transfer-Encoding: 7bit\\r\\nX-AWS-Outgoing: 199.255.192.79\\r\\n\\r\\n<html><body><p> Helllooo </p></body></html>\\r\\n\\r\\n\"}]}}"}

What you want is a route like this:

post '/' do
  push = JSON.parse(request.body.read)
  "I got JSON: #{push.inspect}"
end

You're not form encoding the data, therefore it doesn't get set in params.

Ruby: Receive and print JSON object

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