Ruby:ActiveRecord连接数据库

database.rb

require 'rubygems'
require 'activerecord'
# 利用 activerecord 连接数据库
ActiveRecord::Base.establish_connection(:adapter   => "mysql",
					:host	   => 'localhost',
					:username  => "root",
					:password  => "root",
					#:prot      => "3306",
					:database  => "depot_development"
					#:encoding  => "utf8" 
					)

class User < ActiveRecord::Base
end

user = User.find(4)
p user

=begin
users = User.all
users.each do |user|
  p user.name
end
=end