[ruby]ruby on rails学习笔记1

准备:

ruby(windows): http://rubyforge.org/frs/?group_id=167
gem: http://rubyforge.org/frs/?group_id=126
gem install rails

创建应用项目:

　　rails new blog

配置数据库:

sqlite3:

	development:
adapter: mysql2
encoding: utf8
database: blog_development
pool: 5
username: root
password:
socket: /tmp/mysql.sock

postgresql:

development:
adapter: postgresql
encoding: unicode
database: blog_development
pool: 5
username: blog
password:

创建数据库:

　　rake db:create

运行web server:

　　rails server

生成一个控制器和方法

　　rails generate controller home index # home为控制器 index为方法

　　生成的代码

　　app/controllers/home_comtroller.rb

class HomeController <]
Blog::Application.routes.draw do
#...
# You can have the root of your site routed with "root"
# just remember to delete public/index.html.
root :to => "home#index"
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