Rails3 and MongoDB Quick Guide 博客分类: Ruby MongoDBRailsEXT
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2024-02-22 16:45:28
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Install MongoDB
Download:
http://www.mongodb.org/downloads
Extract the files to a directory(e.g, /opt/mongodb)
Create data directory:
Start MongoDB server:
Start shell and connection to MongoDB server for test:
Install Rails3 and mongo_mapper
Create Rails project that use MongoDB
Create project:
Edit the Gemfile:
Create config/initializers/mongo.rb:
Create a model app/models/user.rb:
Start Rails Console for test:
Download:
http://www.mongodb.org/downloads
Extract the files to a directory(e.g, /opt/mongodb)
Create data directory:
$ sudo mkdir -p /data/db
Start MongoDB server:
$ sudo /opt/mongodb/bin/mongod
Start shell and connection to MongoDB server for test:
$ /opt/mongodb/bin/mongo > db.foo.save( { a : 1} ) > db.foo.find() > exit
Install Rails3 and mongo_mapper
sudo gem install rails sudo gem install mongo_mapper sudo gem install bson_ext
Create Rails project that use MongoDB
Create project:
$ rails new MongoDBTest --skip-active-record
Edit the Gemfile:
gem 'rails', '3.0.3' gem 'mongo_mapper' gem 'bson_ext'
Create config/initializers/mongo.rb:
MongoMapper.connection = Mongo::Connection.new('localhost', 27017) MongoMapper.database = "MongoDBTest-production" if defined?(PhusionPassenger) PhusionPassenger.on_event(:starting_worker_process) do |forked| MongoMapper.connection.connect_to_master if forked end end
Create a model app/models/user.rb:
class User include MongoMapper:Document key :name end
Start Rails Console for test:
$ rails console production >> User.create(:name => "User A") => #<User name: "User A", _id: BSON::ObjectId('4d01c70d98d1b1072b000001')> >> User.create(:name => "User B") => #<User name: "User B", _id: BSON::ObjectId('4d01c70f98d1b1072b000002')> >> User.all => [#<User name: "User A", _id: BSON::ObjectId('4d01c70d98d1b1072b000001')>, #<User name: "User B", _id: BSON::ObjectId('4d01c70f98d1b1072b000002')>]