日期:2014-05-17  浏览次数:20470 次

PHP SMARTY 双循环(递归)输出分类 问题
模版
PHP code
{foreach from=$classlist item=newsclass}
    <DIV class="bg03"><a href="news.php?classid={$newsclass.id}&{if $newsclass.ispro eq 1}ispro=true{/if}" target="main">{$newsclass.classname}</a></DIV>
{/foreach}


程序
PHP code
$sql = "select * from jh_newsclass where parentid = 0";
$result = $mysqli->query($sql);
while ($row = $result->fetch_row()) {
    $classlist[] = array(
        'id'=>$row[0],
        'classname'=>$row[2],
        'parentid'=>$row[1],
        'ispro'=>$row[3],    
        );
}
$result->close();
$mysqli->close();
$smarty->assign('classlist',$classlist);
$smarty->assign('webname',Webname);
$smarty->display('admin/left.htm');




这样只能输出一级分类. 我需要在一级分类下再输出二级..三级..该怎么写呀? 


以前用ASP输出的效果
HTML code
              <DIV class="bg03">新闻专题</DIV>
<div class="forumlist_groups"><DIV align=left><ul><li class="forumli"><a href='news.asp?classid=3&newsclass=3' target='main'>+--<img id="folder180" src="images/leaf.gif" width="18" height="18" align="absmiddle"><font color="">新闻动态</font></a></li><li class="forumli"><a href='news.asp?classid=6&newsclass=6' target='main'>+--<img id="folder180" src="images/leaf.gif" width="18" height="18" align="absmiddle"><font color="">美大专题</font></a></li><li class="forumli"><a href='news.asp?classid=16&newsclass=16' target='main'>+--<img id="folder180" src="images/leaf.gif" width="18" height="18" align="absmiddle"><font color="">月兔专题</font></a></li></ul></div></div>

    <DIV class="bg03"><a href="news.asp?classid=14&newsclass=14" target="main">供求信息</a></DIV>

              <DIV class="bg03">产品展示</DIV>
<div class="forumlist_groups"><DIV align=left><ul><li class="forumli"><a href='news.asp?classid=18&ispro=true&newsclass=18' target='main'>+--<img id="folder180" src="images/leaf.gif" width="18" height="18" align="absmiddle"><font color="">美大灶具</font></a></li><li class="forumli"><a href='news.asp?classid=19&ispro=true&newsclass=19' target='main'>+--<img id="folder180" src="images/leaf.gif" width="18" height="18" align="absmiddle"><font color="">月图厨柜</font></a></li><li class="forumli"><a href='news.asp?classid=20&ispro=true&newsclass=20' target='main'>+--<img id="folder180" src="images/leaf.gif" width="18" height="18" align="absmiddle"><font color="">集成效果</font></a></li></ul></div></div>



原来的ASP代码 
HTML code




<%
dim strs
Set Rs = server.CreateObject