smarty 第一条数据判断

       <!--{section name=loop loop=$pimg200_list}-->  
          <!--{if $smarty.section.loop.first}-->
                       <!--{if $pimg200_list[loop].pic!=""}-->
                  <li class="on"><img src="upload/system/<!--{$pimg200_list[loop].pic}-->" width="50" height="50" alt="upload/system/<!--{$pimg200_list[loop].pic}-->" /></li>
                   <!--{/if}-->
          <!--{else}-->
                  <!--{if $pimg200_list[loop].pic!=""}-->
                  <li><img src="upload/system/<!--{$pimg200_list[loop].pic}-->" width="50" height="50" alt="upload/system/<!--{$pimg200_list[loop].pic}-->" /></li>
                   <!--{/if}-->
           <!--{/if}-->
         <!--{/section}-->

 

 

       <!--{section name=loop loop=$pimg200_list}-->  
          <!--{if $smarty.section.loop.last}-->
                       <!--{if $pimg200_list[loop].pic!=""}-->
                  <li class="on"><img src="upload/system/<!--{$pimg200_list[loop].pic}-->" width="50" height="50" alt="upload/system/<!--{$pimg200_list[loop].pic}-->" /></li>
                   <!--{/if}-->
          <!--{else}-->
                  <!--{if $pimg200_list[loop].pic!=""}-->
                  <li><img src="upload/system/<!--{$pimg200_list[loop].pic}-->" width="50" height="50" alt="upload/system/<!--{$pimg200_list[loop].pic}-->" /></li>
                   <!--{/if}-->
           <!--{/if}-->
         <!--{/section}-->