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RESTfulµÄ»¯Éí----resource
  µ±È»£¬¹â°ÑRESTfulºÍresource³¶µ½Ò»ÆðËÆºõÏ൱ÏÁÒ壬ÔÚRailsÖУ¬ActionController::Resources³éÏóÁËRESTÖеÄResource£¬ÕâÀÎÒ²»Ì¸RESTµÄÏà¹Ø¸ÅÄî£¬ÍøÉÏ×ÊÁÏÒ»´óÛç¡£ÎÒÃǾÍÀ´¿´¿´RailsÖÐÊÇÈçºÎͨ¹ýResourceÀ´ÇáËÉ£¬¼ò±ãµÄÍê³ÉRESTfulÓ¦Óõİɡ£
  resources.rb
  Ô´´úÂë·¾¶£º/actionpack-2.0.2/lib/action_controller/resources.rb
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map.resources :products
  Rails»á×Ô¶¯ÎªÎÒÃÇÉú³ÉÖÚ¶àµÄnamed route£¬ÕâЩrouteͨ¹ýhttp verbºÍÏàÓ¦µÄcontrollerÖеÄaction¶ÔÓ¦ÆðÀ´£¬µ±È»ÁË£¬ÖÚ¶àµÄhelper·½·¨Ò²Ëæ¼´²úÉú¡£ÈçϱíËùʾ£º
Named Route
Helpers
product
product_url, hash_for_product_url,
product_path, hash_for_product_path
new_product
new_product_url, hash_for_new_product_url,
new_product_path, hash_for_new_product_path
edit_product
edit_product_url, hash_for_edit_product_url,
edit_product_path, hash_for_edit_product_path
...
...
  ´ÓÕâ¸ö½Ç¶ÈÀ´Ï룬Äã¿ÉÒÔ°ÑresourceÏë³ÉÊÇÖÚ¶àÏà¹Ønamed routeµÄÒ»¸öÂí¼×¡£
  
  Õû¸öÁ÷³Ì±È½ÏµÄÖ±¹Û£¬Railsͨ¹ýresource°´²¿¾Í°àµÄÍê³É¸÷ÖÖrouteµÄÉú³É£¬½ÓÏÂÀ´ÎÒÃÇ¿´Ò»¿´ºËÐÄ´úÂëÊÇÈçºÎÍê³ÉÕâЩ¹¦Äܵġ£Ê×ÏÈ£¬»¹ÊÇÔÚroutes.rbÖУ¬¿ÉÄܻᶨÒåÈçϵÄresource£º
Ruby´úÂë
ActionController::Routing::Routes.draw do |map|   
  
  map.resources :products  
  ...   
end  
ActionController::Routing::Routes.draw do |map|
map.resources :products
...
end
  resources·½·¨¶¨ÒåÔÚActionController::ResourcesÕâ¸ömoduleÖУ¬È»ºóͨ¹ýmixin½øÈëµ½MapperÀàµÄ¡£ÄÇÎÒÃÇÊ×ÏÈÀ´¿´Ò»¿´Õâ¸ö·½·¨£º
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def resources(*entities, &block)   
  options = entities.extract_options!   
  entities.each { |entity| map_resource(entity, options.dup, &block) }   
end  
def resources(*entities, &block)
options =


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b = "123"
a = b
b.gsub!(/2/,"")
puts a
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a = "#{b}"
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2 debugger
3 cla ......

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class Point
@x = 1
@y = 2
def initialize(x,y)
@x,@y = x,y
end
end 
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class Point
include Enumerable
def initialize(x ......

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OS:Windows XP
Ruby:Ruby1.9.1
Rails:Rails2.3.5
will_paginate:will_paginate2.3.11
(ÔÚÃüÁîÐÐÖÐÔËÐÐ gem install mislav-will_paginate --source http://gems.github.com )
IDE:Rubymine2.0.1
DB:mysql5.0.9
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Ruby formд·¨Ò»£ºÊ¹ÓÃform_for
< % form_for :order, :url => { :action => :save_order } do |form| %>   < p>    < %= label :order ......
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