<% set_view [:summary] do %>
{if defined('selected_codes')} {for code in selected_codes} {var rid = code.rid} .... {if !schedules || schedules.length==0} .... {/if} {for schedule in schedules} ... {/for} {if code.code_id > 0} ... {else} ${code.label} {/if} {/for} {/if} <%end%>此段代码在一个 rhtml 文件中,请问这是什么东东,咋么用?谢谢