Mongoid给出未初始化的常量Mongo [英] Mongoid gives uninitialized constant Mongo

问题描述

我正在尝试使用蒙古包，但它会输出此错误:

I'm trying to use mongoid but it outputs this error:

未初始化的常量"Mongo"

uninitialized constant 'Mongo'

这是我的代码:

require "mongoid"

Mongoid.configure do |config|
    config.master = Mongo::Connection.new("localhost",27017).db("arthist")
end

class Artist
    include Mongoid::Document
    field :name, type: String
end 

a = Artist.create(name: "hoge")

你有什么主意吗?

推荐答案

在您的Gemfile中包含gem mongo并重新启动服务器，它应该可以解决问题.

include gem mongo in your Gemfile and restart the server it should do the trick.

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