鼠标移过去时菜单就出来
==============
onmouseover()
移开就缩到里面
===========
onmouseout()
移过去后鼠标点击能拖动这个菜单到任何地方
==============
onclick()
onmousemove()
==============
onmouseover()
移开就缩到里面
===========
onmouseout()
移过去后鼠标点击能拖动这个菜单到任何地方
==============
onclick()
onmousemove()
大家也只能提供个思路:首先要用到 2楼说的一些事件再有在事件里面去写:无非就是 style.display 这些
<!--
*{margin:0;padding:0;border:0;}
body {
font-family: arial, 宋体, serif;
font-size:12px;
}
#nav {
line-height: 24px; list-style-type: none; background:#666;
}
#nav a {
display: block; width: 80px; text-align:center;
}
#nav a:link {
color:#666; text-decoration:none;
}
#nav a:visited {
color:#666;text-decoration:none;
}
#nav a:hover {
color:#FFF;text-decoration:none;font-weight:bold;
}
#nav li {
float: left; width: 80px; background:#CCC;
}
#nav li a:hover{
background:#999;
}
#nav li ul {
line-height: 27px; list-style-type: none;text-align:left;
left: -999em; width: 180px; position: absolute;
}
#nav li ul li{
float: left; width: 180px;
background: #F6F6F6;
}
#nav li ul a{
display: block; width: 180px;w\idth: 156px;text-align:left;padding-left:24px;
}
#nav li ul a:link {
color:#666; text-decoration:none;
}
#nav li ul a:visited {
color:#666;text-decoration:none;
}
#nav li ul a:hover {
color:#F3F3F3;text-decoration:none;font-weight:normal;
background:#C00;
}
#nav li:hover ul {
left: auto;
}
#nav li.sfhover ul {
left: auto;
}
#content {
clear: left;
}
-->
</style>
<script type=text/javascript><!--//--><![CDATA[//><!--
function menuFix() {
var sfEls = document.getElementById("nav").getElementsByTagName("li");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls[i].onMouseDown=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls[i].onMouseUp=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
}
}
}
window.onload=menuFix; //--><!]]></script>
</head>
<ul id="nav">
<li><a href="#">产品介绍</a>
<ul>
<li><a href="#">四季情缘</a></li>
<li><a href="#">四季情缘</a></li>
<li><a href="#">四季情缘</a></li>
<li><a href="#">四季情缘</a></li>
<li><a href="#">四季情缘</a></li>
<li><a href="#">四季情缘</a></li>
</ul>
</li>
<li><a href="#">服务介绍</a>
<ul>
<li><a href="#">四季情缘工作室</a></li>
<li><a href="#">四季情缘工作室</a></li>
<li><a href="#">服务二</a></li>
<li><a href="#">服务二服务二</a></li>
<li><a href="#">四季情缘工作室</a></li> <li><a href="#">服务二</a></li>
</ul>
</li>
<li><a href="#">成功案例</a>
<ul>
<li><a href="#">案例三</a></li>
<li><a href="#">案例</a></li>
<li><a href="#">案例三案例三</a></li>
<li><a href="#">案例三案例三案例三</a></li>
</ul>
</li>
<li><a href="#">关于我们</a>
<ul>
<li><a href="#">我们四</a></li>
<li><a href="#">我们四</a></li>
<li><a href="#">我们四</a></li>
<li><a href="#">我们四111</a></li>
</ul>
</li> <li><a href="#">在线演示</a>
<ul>
<li><a href="#">演示</a></li>
<li><a href="#">演示</a></li>
<li><a href="#">演示</a></li>
<li><a href="#">演示演示演示</a></li>
<li><a href="#">演示演示演示</a></li>
<li><a href="#">演示演示</a></li>
<li><a href="#">演示演示演示</a></li>
<li><a href="#">演示演示演示演示演示</a></li>
</ul>
</li>
<li><a href="#">联系我们</a>
<ul>
<li><a href="#">联系联系联系联系联系</a></li>
<li><a href="#">联系联系联系</a></li>
<li><a href="#">联系</a></li>
<li><a href="#">联系联系</a></li>
<li><a href="#">联系联系</a></li>
<li><a href="#">联系联系联系</a></li>
<li><a href="#">联系联系联系</a></li>
</ul>
</li>
</ul>
</body>
<html>
<head>
<title>菜单收缩移动</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312"/>
<style type="text/css">
.DragCss{cursor:move}
.NormalCss{cursor:default}
body{font-size:10pt}
td{font-size:10pt}
</style>
</head>
<body>
<script type="text/javascript">
var OldX,OldY,tbWidth,tbHeight;
var ox,oy,ex,ey,IsDrag=false,DragObj=null;//移动时需要的变量
window.onload=InitMenu;
document.onmouseup=MouseUp;
document.onmousemove=MouseMove;
document.onmousedown=MouseDown;
function InitMenu()
{
var Menu=document.getElementById("Menu");
tbWidth=parseInt(Menu.offsetWidth);
tbHeigth=parseInt(Menu.offsetHeigth);
OldY=0;
OldX=-(tbWidth-20);
Menu.style.top=OldY+"px";
Menu.style.left=OldX+"px";
Menu.onmouseover=MouseOver;
Menu.onmouseout=MouseOut;
}
function MouseOver()
{
var Menu=document.getElementById("Menu");
if(parseInt(Menu.style.top)==0)
{
Menu.style.left="0px";
}
}
function MouseOut()
{
var Menu=document.getElementById("Menu");
if(parseInt(Menu.style.top)==0)
{
Menu.style.left=OldX+"px";
}
}
function MouseMove(e)
{
if(IsDrag)
{
hadMove=true;
e=e?e:event;
DragObj.style.left=ox+parseInt(e.clientX-ex)+"px";
DragObj.style.top=oy+parseInt(e.clientY-ey)+"px";
}
}
function MouseDown(e)
{
e=e?e:event;
var tag=e.target?e.target:e.srcElement;
while(tag!=null)
{
if(tag.className=="NormalCss")
{
DragObj=tag;
DragObj.className="DragCss";
IsDrag=true;
ox=parseInt(DragObj.style.left);
oy=parseInt(DragObj.style.top);
ex=parseInt(e.clientX);
ey=parseInt(e.clientY);
break;
}
else
tag=tag.parentNode;
}
}
function MouseUp()
{
var Menu=document.getElementById("Menu");
DragObj=null;
IsDrag=false;
Menu.className="NormalCss";
}
function ResetPos()
{
var Menu=document.getElementById("Menu");
Menu.style.top=OldY+"px";
Menu.style.left=OldX+"px";
}
</script>
<table border='1' id='Menu' class="NormalCss" cellspacing='2' cellpadding='0' style="position:absolute;top:0px;left:0px">
<tr><td align='right'><a href='#' onclick="ResetPos()">还原</a></td>
<td rowspan="6" valign="middle" style="width:10px">测试菜单</td>
</tr>
<tr><td>测试菜单1</td></tr>
<tr><td>测试菜单2</td></tr>
<tr><td>测试菜单3</td></tr>
<tr><td>测试菜单4</td></tr>
<tr><td>测试菜单5</td></tr>
</table>
</body>
</html>