rails on ruby exmaples depot
1.install ruby
download from http://www.ruby-lang.org/en/news/2009/12/07/ruby-1-9-1-p376-is-released/
2.install rails
ruby gem install rails --include-dependencies
3.install mysql
download from http://sourceforge.net
ruby gem install mysql
1-3 can be down by download InstantRails from http://rubyforge.org/frs/?group_id=904 <InstantRails2.0.2>
4. create depot application:
ruby> rails --database=mysql depot
mysqladmin -u root create depot_development
ruby> rake db:migrate
ruby> ruby script/generate scaffold product title:string description:text image_url:string
ruby> ruby script/server webrick
IE: http://localhost:3000/product like below:
Listing products
TitleDescriptionImage url
NO1product
no1 product input by myself
Show
Edit
Destroy
New product
5.then can do modify the depot application........
Notice:
1-3 mybe failed, it result is Rails2.3.4 hte lastest version.
InstantRails 2.0.2 is more better for most pepole
相关文档：
一 安装ruby
$sudo apt-get install ruby irb rdoc
二 安装gem
1.到这里下载 ,最好是最新版本，我的1.3.5
解压，切换到当前目录，执行$sudo ruby setup.rb
或者这样：
$ tar xzvf rubygems-1.3.5.tgz （解压）
$ cd rubygems-1.3.5 （切换到此目录）
$ sudo ruby setup ......
#include < ruby.h > //
static int id_sum;
int Values[] = {5, 10 ,15,-1,20,0};
static VALUE wrap_sum(VALUE args)
{
VALUE * values = (VALUE *) args;
VALUE summer = values[0];
VALUE max = values[1];
return rb_funcall(summer,id_sum,1,max);
}
static VALUE ......
订单处置，首先要有一个订单的详细列表（包括数量，价钱啥的）和一个对于个人的一些信息的一个表。因而我们创造两个模型，line_item(列表项),order(列表)，其后编者如次
/db/migrate xxx_create_order xxx_line_item
Ruby代码
一.class CreateOrders < ActiveRecord::Migration
二.def self.up
3. create_tabl ......
