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Ruby on Rails-我無法發送表單-400錯誤的請求

[英]Ruby on Rails - I can't send a form - 400 Bad Request

我正在嘗試在Ruby on Rails中發送表單,但是當嘗試發送時出現以下錯誤:

Started POST "/newsletters" for 127.0.0.1 at 2018-05-02 14:26:33 -0300
Processing by NewslettersController#create as JS
Parameters: {"utf8"=>"✓"}
[1m[35m (0.2ms)[0m  BEGIN
[1m[36m (0.4ms)[0m  [1mROLLBACK[0m
Rendered text template (0.0ms)
Completed 400 Bad Request in 14ms (Views: 0.7ms | ActiveRecord: 0.6ms)

該表單只有一個字段(電子郵件),我已經在模型中對其進行了驗證。 這是怎么回事? 為什么要求400錯誤? 有人騙我嗎?

newsletter_mailer.rb

class NewsletterMailer < ActionMailer::Base
  default from: "no-reply@facens.br"

  def create(contact)
    @contact = contact
    mail(to: "felipe.marcon@atua.ag", subject: "Contato Através do Site")
  end
end

newsletters_controller.rb

class NewslettersController < ApplicationController
  def create
    @newsletter = Newsletter.new(params[:newsletters])
    if @newsletter.save
      NewsletterMailer.delay_for(1.seconds, retry: true).create(@newsletter)
      render nothing: true, status: 200
    else
      render nothing: true, status: 400
    end
  end
end

form.html.erb

<%= form_for(Newsletter.new, remote: true, html: { multipart: true }, html: {class:"fc_liga__footer--form clearfix"}) do |f| %>
  <div class="input_group">
    <input type="text" id="contact[email]" placeholder="Digite o seu e-mail">
    <button type="submit" class="btn btn_orange"><%= svg "send_newsletter" %></button>
  </div>
<% end %>

您的參數不包括:newsletters ,看到了嗎?

Parameters: {"utf8"=>"✓"}

因此, @newsletter.savefalse ,您將得到一個400錯誤,就像您指定的那樣:

class NewslettersController < ApplicationController
  def create
    @newsletter = Newsletter.new(params[:newsletters])
    if @newsletter.save
      NewsletterMailer.delay_for(1.seconds, retry: true).create(@newsletter)
      render nothing: true, status: 200
    else
      render nothing: true, status: 400
    end
  end
end

您沒有params[:newsletters]因為您的表單格式有誤:

<%= form_for(Newsletter.new, remote: true, html: { multipart: true }, html: {class:"fc_liga__footer--form clearfix"}) do |f| %>
  <div class="input_group">
    <input type="text" id="contact[email]" placeholder="Digite o seu e-mail">
    <button type="submit" class="btn btn_orange"><%= svg "send_newsletter" %></button>
  </div>
<% end %>

您不應該手動創建輸入,而應該使用輸入助手。

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