1、将存为menu.htm格式文件 以下为代码内容：
复制代码 代码如下:
<html>
<head>
<style>
.menuskin {
BORDER-RIGHT: #CBD7E9 1px solid; BORDER-TOP: #CBD7E9 1px solid; BACKGROUND-IMAGE: url(image/menubg.gif); VISIBILITY: hidden; FONT: 12px Tahoma, Verdana; BORDER-LEFT: #CBD7E9 1px solid; BORDER-BOTTOM: #CBD7E9 1px solid; POSITION: absolute; BACKGROUND-COLOR: #ffffff
}
.menuskin A {
PADDING-RIGHT: 10px; PADDING-LEFT: 25px; COLOR: #3A4273; TEXT-DECORATION: none
}
#mouseoverstyle {
BORDER-RIGHT: #597db5 1px solid; PADDING-RIGHT: 0px; BORDER-TOP: #597db5 1px solid; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 2px; BORDER-LEFT: #597db5 1px solid; PADDING-TOP: 0px; BORDER-BOTTOM: #597db5 1px solid; BACKGROUND-COLOR: #c9d5e7
}
#mouseoverstyle A {
COLOR: black
}
.menuitems {
PADDING-RIGHT: 1px; PADDING-LEFT: 1px; PADDING-BOTTOM: 1px; MARGIN: 2px; WORD-BREAK: keep-all; PADDING-TOP: 1px
}
</style>
<script type="text/javascript" src="/UploadFiles/2021-04-02/menu.js"></head>
<body vlink='#333333' link='#333333'>
<div class=menuskin id=popmenu onmouseover="clearhidemenu();highlightmenu(event,'on')" onmouseout="highlightmenu(event,'off');dynamichide(event)" style="Z-index:100"></div>
<center>
<a href="###" onMouseOver="showmenu(event,'<div class=menuitems><a href=http://www.gyct.cn/article/index.asp>网络文摘</a></div><div class=menuitems><a href=http://www.gyct.cn/article/index.asp>网络文摘</a></div>')"> 思客秀</a>
</center>
</body>
</html>
2、将下面代码存为menu.js文件，并与menu.htm放到同级目录下
复制代码 代码如下:
//Pop-it menu- By Dynamic Drive - Modified by Wbird
//For full source code and more DHTML scripts, visit http://www.gyct.cn
//This credit MUST stay intact for use
var menuOffX=0 //菜单距连接文字最左端距离
var menuOffY=18 //菜单距连接文字顶端距离
var vBobjects = new Array();
var fo_shadows=new Array();
////No need to edit beyond here
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
var ns6=document.getElementById&&!document.all
var ns4=document.layers
function MM_findObj(n, d) {
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers.document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function fetch_object(idname, forcefetch)
{
if (typeof(vBobjects[idname]) == "undefined")
{
vBobjects[idname] = MM_findObj(idname);
}
return vBobjects[idname];
}
//showmenu vmenu:内容，允许为空,vmenuobj DIV数据ID，MOD 0=关闭浏览器自适应，用于版面导航菜单
function showmenu(e,vmenu,vmenuobj,mod){
if (!document.all&&!document.getElementById&&!document.layers)
return
var which=vmenu;
if (vmenuobj)
{
var MenuObj = fetch_object(vmenuobj);
if (MenuObj)
{
which = MenuObj.innerHTML;
}
}
if (!which)
{
return
}
clearhidemenu();
ie_clearshadow();
menuobj=ie4? document.all.popmenu : ns6? document.getElementById("popmenu") : ns4? document.popmenu : ""
menuobj.thestyle=(ie4||ns6)? menuobj.style : menuobj
if (ie4||ns6)
menuobj.innerHTML=which
else{
menuobj.document.write('<layer name=gui bgcolor="#E6E6E6" width="165" onmouseover="clearhidemenu()" onmouseout="hidemenu()">'+which+'</layer>')
menuobj.document.close()
}
menuobj.contentwidth=(ie4||ns6)? menuobj.offsetWidth : menuobj.document.gui.document.width
menuobj.contentheight=(ie4||ns6)? menuobj.offsetHeight : menuobj.document.gui.document.height
eventX=ie4? event.clientX : ns6? e.clientX : e.x
eventY=ie4? event.clientY : ns6? e.clientY : e.y
var rightedge=ie4? document.body.clientWidth-eventX : window.innerWidth-eventX
var bottomedge=ie4? document.body.clientHeight-eventY : window.innerHeight-eventY
var getlength
if (rightedge<menuobj.contentwidth){
getlength=ie4? document.body.scrollLeft+eventX-menuobj.contentwidth+menuOffX : ns6? window.pageXOffset+eventX-menuobj.contentwidth : eventX-menuobj.contentwidth
}else{
getlength=ie4? ie_x(event.srcElement)+menuOffX : ns6? window.pageXOffset+eventX : eventX
}
menuobj.thestyle.left=getlength+'px'
if (bottomedge<menuobj.contentheight&&mod!=0){
getlength=ie4? document.body.scrollTop+eventY-menuobj.contentheight-event.offsetY+menuOffY-23 : ns6? window.pageYOffset+eventY-menuobj.contentheight-10 : eventY-menuobj.contentheight
} else{
getlength=ie4? ie_y(event.srcElement)+menuOffY : ns6? window.pageYOffset+eventY+10 : eventY
}
menuobj.thestyle.top=getlength+'px'
menuobj.thestyle.visibility="visible"
ie_dropshadow(menuobj,"#999999",3)
return false
}
function ie_y(e){
var t=e.offsetTop;
while(e=e.offsetParent){
t+=e.offsetTop;
}
return t;
}
function ie_x(e){
var l=e.offsetLeft;
while(e=e.offsetParent){
l+=e.offsetLeft;
}
return l;
}
function ie_dropshadow(el, color, size)
{
var i;
for (i=size; i>0; i--)
{
var rect = document.createElement('div');
var rs = rect.style
rs.position = 'absolute';
rs.left = (el.style.posLeft + i) + 'px';
rs.top = (el.style.posTop + i) + 'px';
rs.width = el.offsetWidth + 'px';
rs.height = el.offsetHeight + 'px';
rs.zIndex = el.style.zIndex - i;
rs.backgroundColor = color;
var opacity = 1 - i / (i + 1);
rs.filter = 'alpha(opacity=' + (100 * opacity) + ')';
//el.insertAdjacentElement('afterEnd', rect);
fo_shadows[fo_shadows.length] = rect;
}
}
function ie_clearshadow()
{
for(var i=0;i<fo_shadows.length;i++)
{
if (fo_shadows[i])
fo_shadows[i].style.display="none"
}
fo_shadows=new Array();
}
function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}
function hidemenu(){
if (window.menuobj)
menuobj.thestyle.visibility=(ie4||ns6)? "hidden" : "hide"
ie_clearshadow()
}
function dynamichide(e){
if (ie4&&!menuobj.contains(e.toElement))
hidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
hidemenu()
}
function delayhidemenu(){
if (ie4||ns6||ns4)
delayhide=setTimeout("hidemenu()",500)
}
function clearhidemenu(){
if (window.delayhide)
clearTimeout(delayhide)
}
function highlightmenu(e,state){
if (document.all)
source_el=event.srcElement
else if (document.getElementById)
source_el=e.target
if (source_el.className=="menuitems"){
source_el.id=(state=="on")? "mouseoverstyle" : ""
}
else{
while(source_el.id!="popmenu"){
source_el=document.getElementById? source_el.parentNode : source_el.parentElement
if (source_el.className=="menuitems"){
source_el.id=(state=="on")? "mouseoverstyle" : ""
}
}
}
}
if (ie4||ns6)
document.onclick=hidemenu
3、在menu.htm目录下建立image目录，制作背景图片
PS:事例效果:
以下为代码内容：
<div class=menuskin id=popmenu onmouseover=clearhidemenu() onmouseout=dynamichide(event) style="z-index:100;"></div>
<font color="#eeeeee"> <a href=### onMouseOver="showmenu(event,'<div class=menuitems id=site_menu><a href=/common/skins.asp?action=skin_1>简约时尚</a><br /><a href=/common/skins.asp?action=skin_2>魔兽世界</a><br /><a href=/common/skins.asp?action=cookies_clear alt=清除您在本站所留的Cookies信息>清除记录</a><br /></div>','site_menu')"><font color=#eeeeee>[选择皮肤]</font></a></font>
jb51修正无错
[Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]
复制代码 代码如下:
<html>
<head>
<style>
.menuskin {
BORDER-RIGHT: #CBD7E9 1px solid; BORDER-TOP: #CBD7E9 1px solid; BACKGROUND-IMAGE: url(image/menubg.gif); VISIBILITY: hidden; FONT: 12px Tahoma, Verdana; BORDER-LEFT: #CBD7E9 1px solid; BORDER-BOTTOM: #CBD7E9 1px solid; POSITION: absolute; BACKGROUND-COLOR: #ffffff
}
.menuskin A {
PADDING-RIGHT: 10px; PADDING-LEFT: 25px; COLOR: #3A4273; TEXT-DECORATION: none
}
#mouseoverstyle {
BORDER-RIGHT: #597db5 1px solid; PADDING-RIGHT: 0px; BORDER-TOP: #597db5 1px solid; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 2px; BORDER-LEFT: #597db5 1px solid; PADDING-TOP: 0px; BORDER-BOTTOM: #597db5 1px solid; BACKGROUND-COLOR: #c9d5e7
}
#mouseoverstyle A {
COLOR: black
}
.menuitems {
PADDING-RIGHT: 1px; PADDING-LEFT: 1px; PADDING-BOTTOM: 1px; MARGIN: 2px; WORD-BREAK: keep-all; PADDING-TOP: 1px
}
</style>
<script type="text/javascript" src="/UploadFiles/2021-04-02/menu.js"></head>
<body vlink='#333333' link='#333333'>
<div class=menuskin id=popmenu onmouseover="clearhidemenu();highlightmenu(event,'on')" onmouseout="highlightmenu(event,'off');dynamichide(event)" style="Z-index:100"></div>
<center>
<a href="###" onMouseOver="showmenu(event,'<div class=menuitems><a href=http://www.gyct.cn/article/index.asp>网络文摘</a></div><div class=menuitems><a href=http://www.gyct.cn/article/index.asp>网络文摘</a></div>')"> 思客秀</a>
</center>
</body>
</html>
2、将下面代码存为menu.js文件，并与menu.htm放到同级目录下
复制代码 代码如下:
//Pop-it menu- By Dynamic Drive - Modified by Wbird
//For full source code and more DHTML scripts, visit http://www.gyct.cn
//This credit MUST stay intact for use
var menuOffX=0 //菜单距连接文字最左端距离
var menuOffY=18 //菜单距连接文字顶端距离
var vBobjects = new Array();
var fo_shadows=new Array();
////No need to edit beyond here
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
var ns6=document.getElementById&&!document.all
var ns4=document.layers
function MM_findObj(n, d) {
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers.document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function fetch_object(idname, forcefetch)
{
if (typeof(vBobjects[idname]) == "undefined")
{
vBobjects[idname] = MM_findObj(idname);
}
return vBobjects[idname];
}
//showmenu vmenu:内容，允许为空,vmenuobj DIV数据ID，MOD 0=关闭浏览器自适应，用于版面导航菜单
function showmenu(e,vmenu,vmenuobj,mod){
if (!document.all&&!document.getElementById&&!document.layers)
return
var which=vmenu;
if (vmenuobj)
{
var MenuObj = fetch_object(vmenuobj);
if (MenuObj)
{
which = MenuObj.innerHTML;
}
}
if (!which)
{
return
}
clearhidemenu();
ie_clearshadow();
menuobj=ie4? document.all.popmenu : ns6? document.getElementById("popmenu") : ns4? document.popmenu : ""
menuobj.thestyle=(ie4||ns6)? menuobj.style : menuobj
if (ie4||ns6)
menuobj.innerHTML=which
else{
menuobj.document.write('<layer name=gui bgcolor="#E6E6E6" width="165" onmouseover="clearhidemenu()" onmouseout="hidemenu()">'+which+'</layer>')
menuobj.document.close()
}
menuobj.contentwidth=(ie4||ns6)? menuobj.offsetWidth : menuobj.document.gui.document.width
menuobj.contentheight=(ie4||ns6)? menuobj.offsetHeight : menuobj.document.gui.document.height
eventX=ie4? event.clientX : ns6? e.clientX : e.x
eventY=ie4? event.clientY : ns6? e.clientY : e.y
var rightedge=ie4? document.body.clientWidth-eventX : window.innerWidth-eventX
var bottomedge=ie4? document.body.clientHeight-eventY : window.innerHeight-eventY
var getlength
if (rightedge<menuobj.contentwidth){
getlength=ie4? document.body.scrollLeft+eventX-menuobj.contentwidth+menuOffX : ns6? window.pageXOffset+eventX-menuobj.contentwidth : eventX-menuobj.contentwidth
}else{
getlength=ie4? ie_x(event.srcElement)+menuOffX : ns6? window.pageXOffset+eventX : eventX
}
menuobj.thestyle.left=getlength+'px'
if (bottomedge<menuobj.contentheight&&mod!=0){
getlength=ie4? document.body.scrollTop+eventY-menuobj.contentheight-event.offsetY+menuOffY-23 : ns6? window.pageYOffset+eventY-menuobj.contentheight-10 : eventY-menuobj.contentheight
} else{
getlength=ie4? ie_y(event.srcElement)+menuOffY : ns6? window.pageYOffset+eventY+10 : eventY
}
menuobj.thestyle.top=getlength+'px'
menuobj.thestyle.visibility="visible"
ie_dropshadow(menuobj,"#999999",3)
return false
}
function ie_y(e){
var t=e.offsetTop;
while(e=e.offsetParent){
t+=e.offsetTop;
}
return t;
}
function ie_x(e){
var l=e.offsetLeft;
while(e=e.offsetParent){
l+=e.offsetLeft;
}
return l;
}
function ie_dropshadow(el, color, size)
{
var i;
for (i=size; i>0; i--)
{
var rect = document.createElement('div');
var rs = rect.style
rs.position = 'absolute';
rs.left = (el.style.posLeft + i) + 'px';
rs.top = (el.style.posTop + i) + 'px';
rs.width = el.offsetWidth + 'px';
rs.height = el.offsetHeight + 'px';
rs.zIndex = el.style.zIndex - i;
rs.backgroundColor = color;
var opacity = 1 - i / (i + 1);
rs.filter = 'alpha(opacity=' + (100 * opacity) + ')';
//el.insertAdjacentElement('afterEnd', rect);
fo_shadows[fo_shadows.length] = rect;
}
}
function ie_clearshadow()
{
for(var i=0;i<fo_shadows.length;i++)
{
if (fo_shadows[i])
fo_shadows[i].style.display="none"
}
fo_shadows=new Array();
}
function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}
function hidemenu(){
if (window.menuobj)
menuobj.thestyle.visibility=(ie4||ns6)? "hidden" : "hide"
ie_clearshadow()
}
function dynamichide(e){
if (ie4&&!menuobj.contains(e.toElement))
hidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
hidemenu()
}
function delayhidemenu(){
if (ie4||ns6||ns4)
delayhide=setTimeout("hidemenu()",500)
}
function clearhidemenu(){
if (window.delayhide)
clearTimeout(delayhide)
}
function highlightmenu(e,state){
if (document.all)
source_el=event.srcElement
else if (document.getElementById)
source_el=e.target
if (source_el.className=="menuitems"){
source_el.id=(state=="on")? "mouseoverstyle" : ""
}
else{
while(source_el.id!="popmenu"){
source_el=document.getElementById? source_el.parentNode : source_el.parentElement
if (source_el.className=="menuitems"){
source_el.id=(state=="on")? "mouseoverstyle" : ""
}
}
}
}
if (ie4||ns6)
document.onclick=hidemenu
3、在menu.htm目录下建立image目录，制作背景图片
PS:事例效果:
以下为代码内容：
<div class=menuskin id=popmenu onmouseover=clearhidemenu() onmouseout=dynamichide(event) style="z-index:100;"></div>
<font color="#eeeeee"> <a href=### onMouseOver="showmenu(event,'<div class=menuitems id=site_menu><a href=/common/skins.asp?action=skin_1>简约时尚</a><br /><a href=/common/skins.asp?action=skin_2>魔兽世界</a><br /><a href=/common/skins.asp?action=cookies_clear alt=清除您在本站所留的Cookies信息>清除记录</a><br /></div>','site_menu')"><font color=#eeeeee>[选择皮肤]</font></a></font>
jb51修正无错
[Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]
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仿DVBBS下拉菜单效果
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