Make the environment of RubyOnRails on windows
* download ruby on ruby-lang.org。
* setup rails:
cmd-->gem install rails --remote
* setup mysql (Recommand 4.1)
* setup mysql control center (Create DataBase easily)
* create a web site
cmd -->ruby websitename
* start the web server(WEBrick) using (on /../websitename/ directionary): ruby scrip\server,and visit http://127.0.0.1:3000
Create a simple application
* Create a database named MyFriends,and create a table named Friends with colums:id,name,age
* Config the webapplication database config file :/websitename/config/database.yml
development:
adapter: mysql
database: myfriends
username: root
password: xxxxxx
host: localhost
* Restart the webserver using "ruby script\server".
* Note:after erery character ":" have a "space" character.
* Using command "ruby script\generate model Friends" to geneate the model named friends.rb on "/websitename/app/model/".
* Using command "ruby script\generate controller Friends list view new edit " to generate the controller named friends_controller.rb on "/websitename/app/controllers" and other view template pages on "/websitename/app/views/friends/" such as "list.rhtml"、"edit.rhtml" and so on.
edit friends_controller.rb file:
class FriendsController < ApplicationController def list @friends_all=Friends.find_all end def view @friend=Friends.find(params[:id]) end def new end def edit @friend=Friends.find(params[:id]) end def create @friend=Friends.new @friend.name=params[:friend_name] @friend.age=params[:friend_age] if @friend.save redirect_to '/friends/list' else redirect_to '/friends/new' end end def update @friend=Friends.find(params[:id]) if @friend.update_attribute("name",params[:friend_name]) and @friend.update_attribute("age",params[:friend_age]) redirect_to '/friends/list' else redirect_to '/friends/list' end endendand other files in "/websitename/app/views/friends" edit like this:
list.rhtml
<html> <body> <h1>Friends List </h1> <p>
<% @friends_all.each do |friend| %>
Name:<%=link_to friend.name,:action=>"view",:id=>friend.id %> Age:<%=friend.age %> <%=link_to "Edit",:action=>"edit",:id=>friend.id %> <br/> <% end %> </p> </body></html><h1>Friends#list</h1><p>Find me in app/views/friends/list.rhtml</p>Name:<%=@friend.name %><br/>Age:<%=@friend.age %><h1>Friends#new</h1><p>Find me in app/views/friends/new.rhtml</p><form action="/friends/create" method="post">Name:<input id="friend_name" name="friend_name" value=""><br />Age:<input id="friend_age" name="friend_age" value=""></br /><input name="commit" type="submit" value="Create" /></form><h1>Friends#edit</h1><p>Find me in app/views/friends/edit.rhtml</p><form action="/friends/update" method="post">id:<input type="hidden" id="id" name="id" value="<%=@friend.id %>"></br>Name:<input name="friend_name" value="<%=@friend.name %>"><br />Age:<input name="friend_age" value="<%=@friend.age%>"><br/><input type="submit" value="update" %></form>over.
now you already lenarned how to operate the database using RubyOnRails,next ,just read more books.
some links:
http://www.ruby-lang.org
http://www.ruby-doc.org
http://www.rubyonrails.org
http://www.rubycentral.com/book/index.html
http://rubyforge.org/
http://www.webrick.org
http://www.yaml.org
http://wiki.rubyonrails.org/rails/pages/Tutorial
http://www.bizwiki.cn/teamblog/?p=24