ruby on rails ½â¾ömultiple select ´æ´¢ºÍupdate
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vendorÊý¾Ý¿â±íÓÐ×Ö¶Îservice_category varchar(100)
<% form_for :vendor, @vendor, :url => sellers_path do |f| %>
<%= f.select(:service_category,
["Painting","Plumbing","Decor"], {}, {:multiple => true, :size => 3}) %>
<%= f.submit "Register"%>
<% end %>
url Ö¸¶¨µ½Äĸöcontrol action£¬ÓõÄÊÇrails rest¼¼Êõ
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ËùÒÔÔÚvendor modelÖмÓÈë
def service_category=(values)
if !values.nil?
write_attribute('service_category', values.join(','))
end
end
def service_category
if !read_attribute('service_category').nil?
read_attribute('service_category').split(',')
end
end
´æÈëÊý¾Ý¿âÖеÄÊÇpainting£¬plumbing
ÔÚupdate actionÖÐ@vendor = Vendor.find(id)
ÔÚupdate Ò³Ãæ<%= f.select(:service_category,
["Painting","Plumbing","Decor"], {}, {:multiple => true, :size => 3}) %>¾ÍÄÜÈ¡³öÊý¾Ý¿âÖжÔÓ¦µÄÊý¾Ý
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class Person
def initialize( name,age=18 )
@name = name
@age = age
@motherland = "China"
end
def talk
puts "my name is "+@name+", age is "+@age.to_s
&n ......
1. rubyÒѳÉΪ1.87
2. ±ØÐëÏȰ²×°°²×°¹âÅÌÀïµÄеÄxcode£¬ÔÚ"optional"Ŀ¼Àï
3. ¿ÉÄÜÐèÒªÖØÐ°²×°macport
http://trac.macports.org/wiki/Migration
4. »òÕßÉý¼¶macport
http://weblog.rubyonrails.org/2009/8/30/upgrading-to-snow-leopard
$ sudo port selfupdate
$ sudo port sync
$ sudo port upgrade --force insta ......
http://www.gayathri-frenzy.com/technology/ruby-on-rails
I kept thinking for a while on what do I have next in the store
Here we go “Ruby on Rails”
Ruby on Rails, often shortened to Rails or RoR, is an open source web application framework for the Ruby Programming language.Ruby is a ......