2、CSS文件:
<!-- 表格样式 -->
TD {
FONT-FAMILY: "Verdana", "宋体"; FONT-SIZE: 12px; LINE-HEIGHT: 130%; letter-spacing:1px
}
<!-- 超级连接样式 -->
A:link {
COLOR: #990000; FONT-FAMILY: "Verdana", "宋体"; FONT-SIZE: 12px; TEXT-DECORATION: none; letter-spacing:1px
}
A:visited {
COLOR: #990000; FONT-FAMILY: "Verdana", "宋体"; FONT-SIZE: 12px; TEXT-DECORATION: none; letter-spacing:1px
}
A:active {
COLOR: #990000; FONT-FAMILY: "Verdana", "宋体"; FONT-SIZE: 12px; TEXT-DECORATION: none; letter-spacing:1px
}
A:hover {
COLOR: #ff0000; FONT-FAMILY: "Verdana", "宋体"; FONT-SIZE: 12px; TEXT-DECORATION: underline; letter-spacing:1px
}
<!-- 其他样式 -->
.Menu {
COLOR:#000000; FONT-FAMILY: "Verdana", "宋体"; FONT-SIZE: 12px; CURSOR: hand
}
定义了一些基本的样式信息,比如字体,颜色,超级连接的样式等,假如你想改变样式的话,只要修改这里就行了!
3、下面就是我的php页面了!
<html>
<head>
<link href='style.css' rel=stylesheet>
<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","");
mysql_select_db("work");
//提取一级菜单
$sql="select * from menu where parent_id=0";
$result=mysql_query($sql,$Con);
//假如一级菜单存在则开始菜单的显示
if(mysql_num_rows($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
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
$sql="select * from menu where parent_id=$menu[id]";
$result_sub=mysql_query($sql,$Con);
echo "<tr>";
//假如该菜单项目有子菜单,则添加JavaScript onClick语句
if(mysql_num_rows($result_sub)>0)
{
echo "<td width='20'><img src='folder.gif' border='0'></td>";
echo "<td class='Menu' onClick='javascript:ShowMenu(Menu".$GLOBALS["ID"].");'>";
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