在单双行显示不同的颜色
<%@items = %>"row_class") -%>">
<% @items.each do |item| %>
"colors") -%>">
item
<% end %>
<% reset_cycle("colors") %>
<%@items = x = [{:first => 'Robert', :middle => 'Daniel', :last => 'James'},
{:first => 'Emily', :middle => 'Shannon', :maiden => 'Pike', :last => 'Hicks'},
{:first => 'June', :middle => 'Dae', :last => 'Jones'}]%>
<% @items.each do |item| %>
"row_class") -%>">
<% item.values.each do |value| %>
<%# Create a named cycle "colors" %>
"colors") -%>">
<%= value %>
<% end %>
<% reset_cycle("colors") %>
<% end %>
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