仅在rails API应用程序中获取聊天消息

Rails.application.routes.draw do
  namespace :api do
    namespace :v1 do
      resources :messages, only: [:index, :show, :create, :update, :destroy]
    end
  end
end

module Api
  module V1
    class MessagesController < ApplicationController
      def index
        messages = Message.all
        render json: messages
      end

      def show
        message = Message.find(params[:id])
        render json: message
      end

      def create
        message = Message.new(message_params)
        if message.save
          render json: message, status: :created
        else
          render json: { errors: message.errors }, status: :unprocessable_entity
        end
      end

      # 其他操作方法...

      private

      def message_params
        params.require(:message).permit(:content, :sender, :receiver)
      end
    end
  end
end

module YourApp
  class Application < Rails::Application
    # 其他配置...

    config.middleware.insert_before 0, Rack::Cors do
      allow do
        origins '*' # 允许所有域名访问，根据需求进行配置
        resource '*', headers: :any, methods: [:get, :post, :put, :patch, :delete, :options]
      end
    end
  end
end