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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)
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["Painting","Plumbing","Decor"], {}, {:multiple => true, :size => 3}) %>¾ÍÄÜÈ¡³öÊý¾Ý¿âÖжÔÓ¦µÄÊý¾Ý
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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 ......