<div class="certification_course_name"> 
       {php $xgkc=dr_string2array($xgkc);}
      {if $xgkc}
      {list action=module module=book IN_id=$xgkc}
      <div class="cert_course">
        <div class="cert_course_yi"><a><i>{$t.title}</i></a></div>
        <div class="cert_course_er">
          <ul>
            {list action=extend module=book cid=$t.id order=id_asc return=c}
            <li><a>{$c.title}</a></li>
            {/list}{$error_c}{$sql_c}
          </ul>
        </div>
      </div>
      {/list} 
      {else}
      没有关联
      {/if}
     <!-- {$zhangjiemulu}-->
      
    </div>