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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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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 ......
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