Éè¼ÆÄ£Ê½ ¹Û²ìÕßģʽʵÏÖÀý×Ó(ruby)
rubyÖÐ×Ô´øÊµÏÖ¹Û²ìÕßģʽµÄÀàobserver¡£¿ÉÒÔÀûÓÃËüÀ´ÊµÏÖ¹Û²ìÕßģʽ¡£
´úÂëÀý×Ó£º
# -*- coding: GB2312 -*-
require 'observer'
# ¹Û²ìÕßģʽ(ruby)µÄʹÓÃÀý×Ó
# ±»¹Û²ìÕßP
class PObservable
include Observable
end
# ¹Û²ìÕßA
class AObserver
# update·½·¨ÃûÊDZØÐëµÄÒªÓеÄ
def update(arg)
puts "AObserver ±»Í¨ÖªÁË " + arg
end
end
# ¹Û²ìÕßB
class BObserver
# update·½·¨ÃûÊDZØÐëµÄÒªÓеÄ
def update(arg)
puts "BObserver ±»Í¨ÖªÁË " + arg
end
end
# ¹Û²ìÕß³õʼ»¯
observer_a = AObserver.new
observer_b = BObserver.new
# ±»¹Û²ìÕß³õʼ»¯
obj = PObservable.new
# Ìí¼Ó¼àÊÓ¶ÔÏó
obj.add_observer(observer_a)
obj.add_observer(observer_b)
# ±»¹Û²ìÕ߸ıäÁË ->Õâ¶Î´úÂë ±ØÐëÓÐ ²»È»ÎÞ·¨Í¨Öªµ½¹Û²ìÕß
obj.changed
# ֪ͨ¹Û²ìÕß
obj.notify_observers("Test")
Êä³ö½á¹û£º
AObserver ±»Í¨ÖªÁË Test
BObserver ±»Í¨ÖªÁË Test
Ïà¹ØÎĵµ£º
±¾ÎĽéÉÜÁËRuby on RailsµÄÏêϸ°²×°²½Öè¡£ÎÄÖÐʹÓõÄRuby on Rails°æ±¾ÊÇ1.8.6-26¡£°²×°RubyÖ®ºó°²×°Rails£¬È»ºó¾Í¿ÉÒÔ´´½¨WebÓ¦Ó㬲¢ÔÚ±¾µØ²âÊÔÁË¡£
1¡¢°²×°ruby
²»ÓÃ˵ ÊÇÏÂÔØ°²×°°ü£ºhttp://rubyforge.org/frs/?group_id=167£¬×¢Òâ°æ±¾---º¦È˲»Ç³£¬ºóÃæ»á˵µ½£¬ÎÒϵÄÊÇ1.8.6-26
×°Íêºó£¬¿ÉÒÔÓÃruby -v ²âÊÔÊÇ·ñ° ......
<!--
/* Font Definitions */
@font-face
{font-family:ËÎÌå;
panose-1:2 1 6 0 3 1 1 1 1 1;
mso-font-alt:SimSun;
mso-font-charset:134;
mso-generic-font-family:auto;
mso-font-pitch:variable;
mso-font-signature:3 680460288 22 0 262145 0;}
@font-face
{font-family:"Cambria Mat ......
PythonºÍRubyµÄ¶Ô±È£¬¾ÀÕýһЩÎó½â
ÏÂÃæÊÇÎÒÔÚ¿´Á½Æª¹ØÓÚPythonºÍRuby¶Ô±ÈµÄÎÄÕÂʱ£¬Ëù×÷µÄ¾ÀÕý£¬ÔÎͼÊǹ㷺Á÷Ðеģ¬±È½ÏºÃÕÒ¡£
------------------------------------------------------
¡¶rubyºÍpythonµÄ±È½Ï¡·¸üÕýÒ»µãÊÂÇé
1¡¢Îĵµ¡¢¿ªÔ´ÏîÄ¿¡¢¿âÖ§³Ö£¬ÕâЩ¶«Î÷Ruby²»Òª¸úPython±È£¬²»ÊǼ¸¸öÊýÁ¿¼¶µÄÎÊÌ⣬ºÎ±ØÃ²Ë ......
class Tree
def initialize
puts "Make a normal tree"
end
def decorate
puts "Make sure the tree won\'t fall"
end
end
class RedBalls < Tree
def initialize(tree)
@parent = tree;
end
def decorate
@parent.decorate
puts "Put on some red balls"
end
end
......
´Ó½ñÌìÆð²»ÔÙÀË·Ñʱ¼ä£¬¿ªÊ¼×ßÏò×Ô¶¯»¯²âÊÔÕâÌõ¹âÃ÷µÄµÀ·£¬²¢ÒԴһ¸ö×Ô¶¯»¯²âÊÔÆ½Ì¨ÎªÄ¿±ê£¬²¢Õâ¸ö¹ý³ÌÒ»µãµãµÄ¼Ç¼ÏÂÀ´ºÍ´ó¼Ò·ÖÏí
Ê×ÏÈ£¬ÊÇruby»·¾³µÄ´î½¨
£¨1£©µ½rubyµÄ¹ÙÍø£ºhttp://www.ruby-lang.org/en/ÏÂÔØ ruby°²×°³ÌÐò;
PS £ºÑ¡Ôñ ruby on windows,ÎÒÏÂÔØµÄÊÇRuby 1.8.6 One ......