<html>
<head>
<link href='style.css' rel=stylesheet>
<meta http-equiv="Content-Type" content="text/htmlcharset=utf-8" />
<script language="JavaScript" src="TreeMenu.js"></script>
</head>
<body>
<?php
//基本变量设置
$GLOBALS["ID"] =1//用来跟踪下拉菜单的ID号
$layer=1//用来跟踪当前菜单的级数
//连接数据库
$Con=mysql_connect("localhost","root","1234")
mysql_select_db("wiki")
//提取一级菜单
$sql="SELECT * FROM wiki where pid=0"
$result=mysql_query($sql,$Con)
//如果一级菜单存在则开始菜单的显示
if(mysql_num_rows($result)>0) ShowTreeMenu($Con,$result,$layer,$ID)
//=============================================
//显示树型菜单函数 ShowTreeMenu($con,$result,$layer)
//$con：数据库连接
//$result：需要显示的菜单记录集
//layer：需要显示的菜单的级数
//=============================================
function ShowTreeMenu($Con,$result,$layer)
{
//取得需要显示的菜单的项目数
$numrows=mysql_num_rows($result)
//开始显示菜单，每个子菜单都用一个表格来表示举困
echo "<table cellpadding='0' cellspacing='0' border='0'>"
for($rows=0$rows<$numrows$rows++)
{
//将当前菜单项目的内容导入数组
$menu=mysql_fetch_array($result)
//提取菜单项目的子菜单记录集
$sql="select * from wiki where pid=$menu[cid]"
$result_sub=mysql_query($sql,$Con)
echo "<tr>"
//如果该菜单项目有子菜单，则添加JavaScript onClick语句
if(mysql_num_rows($result_sub)>0)
{
echo "<td width='20'><img src='folder.gif' border='0'>樱模</td>"
echo "<td class='Menu' onClick='javascript:ShowMenu(Menu".$GLOBALS["ID"].")'>"
}
else
{
echo "<td width='20'><img src='file.gif' border='0'></td>"
echo "<td class='Menu'>"
}
//如果该菜单项目没有子菜单，并指定了超级连接地址，则指定为超级连接，
//否则只显示菜单名称
//if($menu[url]!="")
//echo "<a href='$menu[cid]'>$menu[name]</a>"
//else
echo $menu['name']
echo "
</td>
</tr>
"
//如果该菜单项目有子菜单，则显示子菜单
if(mysql_num_rows($result_sub)>0)
{
//指定该子菜单的ID和style，以便和onClick语句相对应
echo "<tr id=Menu".$GLOBALS["ID"]++." style='display:none'>"
echo "<td width='20'></td>"
echo "<td>"
//将级数加1
$layer++
//递归调用ShowTreeMenu()函数，生成子菜单
ShowTreeMenu($Con,$result_sub,$layer)
//子菜单处理完成，返回到递归的上一层，将级数减1
$layer--
echo "</td></tr>"
}
//继续显示下一个菜单项目
}
echo "</table>"
}
?>
</正颂念body>
</html>
php文件<?php
$tpl
=
New
Smarty()
$Class
=
array(array("bigid"
=>
"1","bigname"
=>
"粮油2","Small"
=>
array(array("ID"
=>
"1","Name"=>"稻谷"),array("激旦ID"
=>
"2","Name"=>"麦类"),array("ID"
=>
"3","Name"=>"玉米"),array("ID"
=>
"4","Name"=>"花生"),array("ID"
=>
"5","Name"=>"豆类"))),array("bigid"
=>
"2","bigname"
=>
"蔬菜及制成品","Small"
=>
array(array("ID"
=>
"1","Name"=>"竹笋类"),array("ID"
=>
"2","Name"=>"花菜类"),array("ID"
=>
"3","Name"=>"芥菜类"),array("ID"
=>
"4","Name"=>"甘蓝类"),array("ID"
=>碧铅尘悔禅
"5","Name"=>"绿叶绿叶绿叶类"),array("ID"
=>
"6","Name"=>"绿叶绿叶绿叶类"),array("ID"
=>
"7","Name"=>"绿叶类"))),array("bigid"
=>
"3","bigname"
=>
"蔬菜及制成品","Small"
=>
array(array("ID"
=>
"1","Name"=>"竹笋类"),array("ID"
=>
"2","Name"=>"花菜类"),array("ID"
=>
"3","Name"=>"芥菜类"),array("ID"
=>
"4","Name"=>"甘蓝类"),array("ID"
=>
"5","Name"=>"绿叶绿叶绿叶类"),array("ID"
=>
"6","Name"=>"绿叶绿叶绿叶类"),array("ID"
=>
"7","Name"=>"绿叶类"))))
$tpl->
assign("Class",$Class)
?>
tpl文件
<ul
id="cla_cen">
<li>
{*产品分类*}
{section
name=big
loop=$Class}
<h4><a
href="#Big{$Class[big].bigid}">{$Class[big].bigname}</a></h4>
{section
name=small
loop=$Class[big].Small}
<a
href="#Small{$Class[big].Small[small].ID}">{$Class[big].Small[small].Name}</a>
|
{/section}
<br>
{/section}
</li>
</ul>
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