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Ê×ÏÈ£¬named routeµÄÔØÈëÈ«²¿·¢ÉúÔÚrouting.rbÖС£Æäʵnamed routeÒ»µãÒ²²»±ÈÆÕͨµÄroute¸ßÉîЩʲô£¬RailsÄÚ²¿×îÖÕÒ²Êǽ«named route½âÎöΪһ¸öÆÕͨµÄroute±£´æÔÚRouseSetÀàµÄroutesÊý×éÖУ¨»¹¼ÇµÃÕâ¼Ò»ïô£¿×îºÃÀÎÀμÇסËû£¬ÒòΪ£¬Ëû»¹»áÔÚºóÐøÎÄÕÂÖмÌÐøµÇ̨·¢»ÓÖØÒª×÷Óã©£¬Ö®ËùÒÔÎÒ³ÆËû½ø»¯£¬ÊÇÒòΪnamed route¼ÈÈ»ÌṩÁËname£¬ÔÚRailsÄÚ²¿£¬½«»áÉú³ÉһϵÁеÄhelper·½·¨£¬µ±ÎÒÃÇÔÚcontroller»òÕßviewÖÐʹÓÃlink_to£¬redirect_toµÈ·½·¨Ê±£¬²»ÐèÒªÖ¸¶¨ÏàÓ¦µÄcontrollerºÍaction£¬´Ó¶ø¼ò»¯ÎÒÃǵĴúÂ룬²»ÓöàÁË£¬ÏÈÀ´¿´Ò»¿´ÎÒÃÇËùÊìϤµÄroutes.rb
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ActionController::Routing::Routes.draw do |map|
map.purchase 'products/:id/purchase', :controller => 'catalog', :action => 'purchase'
...
end
ActionController::Routing::Routes.draw do |map|
map.purchase 'products/:id/purchase', :controller => 'catalog', :action => 'purchase'
...
end
ÕâÀÎÒ¶¨ÒåÁËÒ»¸öpurchaseµÄnamed route£¨µ±È»£¬ÄãÍêÈ«¿ÉÒÔʹÓÃconnect·½·¨¶¨ÒåÆÕͨµÄroute£©¡£Ç°Ò»ÆªÎÄÕÂÌáµ½¹ý£¬blockÖеÄmap¶ÔÏóÊÇMapperÀàµÄʵÀý£¬ÆäʵÄã¿ÉÒÔÏëÏóµ½£¬ÆäʵMapperÀಢûÓж¨Òåpurchase·½·¨£¨ÌìÖªµÀÄãÒª¸øÄãµÄnamed routeÆðɶÃû£¿´ä»¨£¿Íú²Æ£¿£©¡£ËùÓеÄÒ»ÇУ¬¶¼ÊÇͨ¹ýMapperÀàµÄmethod_missing·½·¨´¦ÀíµÄ¡£¾ßÌå´úÂëÈçÏ£º
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def method_missing(route_name, *args, &proc) #:nodoc:
super unless args.length >= 1 && proc.nil?
@set.add_named_route(route_name, *args)
end
def method_missing(route_name, *args,
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