erb_loops.rhtml

来自「ruby on rails web敏捷开发之路第二版 源代码」· RHTML 代码 · 共 26 行

<!--
 ! Excerpted from "Agile Web Development with Rails, 2nd Ed."
 ! We make no guarantees that this code is fit for any purpose. 
 ! Visit http://www.pragmaticprogrammer.com/titles/rails2 for more book information.
-->
<h1>Simple ERb Loop</h1>

<% 3.times do %> 
  Ho!<br /> 
<% end %> 
Merry Christmas! 


<h1>Loop With Newlines Removed in HTML Source</h1>

<% 3.times do -%>
  Ho!<br /> 
<% end %> 
Merry Christmas! 

<h1>Loop With a Counter</h1>

<% 3.downto(1) do |count| -%> 
   <%= count %>...<br /> 
<% end -%> 
Liftoff!