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ʹÓà will_paginate ½øÐзÖÒ³ºÍ¼òµ¥²éѯ
ÔÚÃüÁîÐÐÏÂʹÓà gem install will_paginate ÃüÁ³öÏÖÏÂÃæ½á¹û°²×°³É¹¦
´ò¿ª books_controller.rb (Äã×Ô¼ºµÄ¿ØÖÆÆ÷)
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Ruby´úÂë
#@books = Book.all   
@books = Book.paginate :page => params[:page],      
                               :per_page => 2,    
                               :conditions => ["title like ?", "%#{params[:search]}%"]    
    respond_to do |format|   
      format.html # index.html.erb   
      format.xml  { render :xml => @books }   
    end  
  end  
#@books = Book.all
@books = Book.paginate :page => params[:page],
:per_page => 2,
:conditions => ["title like ?", "%#{params[:search]}%"]
respond_to do |format|
format.html # index.html.erb
format.xml { render :xml => @books }
end
end
 ´ò¿ª¶ÔÓ¦µÄ books_controller.rb ÊÓÍ¼Ò³Ãæ index.html.erb
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Html´úÂë
<% form_tag books_path, :method => 'get' do %>    
<p>    
    <%= text_field_tag :search, params[:search] %>    
    <%= submit_ta


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b = "123"
a = b
b.gsub!(/2/,"")
puts a
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b = "123"
a = "#{b}"
b.gsub!(/2/,"")
puts a
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Ruby watir ²âÊÔ¿ò¼Ü

ת×Ô http://www.advidea.cn/biancheng/200943135232.html 
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Ҳͨ¹ýRuby °²×° gem,
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in `require': no such file to load -- watir (LoadError)
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