(编辑：jimmy 日期: 2024/10/14 浏览：2)
现在的下拉菜单是兼容性越来越好了，不用js的最好了，但如果能用最少的代码实现出效果，也是不错的第一个，用到的js,不过很短，也很明了<style> *{font:normal normal 14px/1.5em "宋体";} li{list-style:none;} span{display:block;line-height:25px;} a{text-decoration:none;display:block;margin:5px;} .class1{ width:100px; height:25px; overflow-y:hidden; border:1px solid #ffe663; text-align:center; background:#fff2d9; } .class2{ width:100px; height:135px; overflow-y:hidden; border:1px solid #ffe663; text-align:center; background:#fff2d9; } a:hover{ border:1px dashed red; } </style> <li> 下挂菜单 万水千山 万种风情 万山千水 万马奔腾 </li> [Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]这一个也不错<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd"> <HTML xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE>THE ULTIMATE CSS ONLY DROPDOWN MENU</TITLE> <META http-equiv=Content-Type content="text/html; charset=gb2312"> <style type=text/css> .menu { FONT-SIZE: 0.85em; WIDTH: 750px; FONT-FAMILY: verdana, sans-serif; POSITION: relative } .menu UL { PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; LIST-STYLE-TYPE: none } .menu UL LI { FLOAT: left; POSITION: relative } .menu UL LI A { BORDER-RIGHT: #fff 1px solid; BORDER-TOP: #fff 1px solid; DISPLAY: block; PADDING-LEFT: 10px; BACKGROUND: #dfc184; BORDER-LEFT: #fff 0px solid; WIDTH: 139px; COLOR: #000; LINE-HEIGHT: 3em; BORDER-BOTTOM: #fff 0px solid; HEIGHT: 3em; TEXT-DECORATION: none } .menu UL LI A:visited { BORDER-RIGHT: #fff 1px solid; BORDER-TOP: #fff 1px solid; DISPLAY: block; PADDING-LEFT: 10px; BACKGROUND: #dfc184; BORDER-LEFT: #fff 0px solid; WIDTH: 139px; COLOR: #000; LINE-HEIGHT: 3em; BORDER-BOTTOM: #fff 0px solid; HEIGHT: 3em; TEXT-DECORATION: none } * HTML .menu UL LI A { WIDTH: 139px } .menu UL LI A:visited { WIDTH: 139px } .menu UL LI UL { DISPLAY: none } TABLE { FONT-SIZE: 1em; MARGIN: -1px; BORDER-COLLAPSE: collapse } .menu UL LI:hover A { BACKGROUND: #bd8d5e; COLOR: #fff } .menu UL LI:hover UL { MARGIN-TOP: 1px; DISPLAY: block; LEFT: 0px; WIDTH: 150px; POSITION: absolute; TOP: 3em } .menu UL LI:hover UL LI UL { DISPLAY: none } .menu UL LI:hover UL LI A { PADDING-RIGHT: 10px; DISPLAY: block; PADDING-LEFT: 10px; BACKGROUND: #faeec7; PADDING-BOTTOM: 5px; WIDTH: 129px; COLOR: #000; LINE-HEIGHT: 1.2em; PADDING-TOP: 5px; HEIGHT: auto } .menu UL LI:hover UL LI A.drop { BACKGROUND: url(drop.png) #c9c9a7 no-repeat right bottom } .menu UL LI:hover UL LI A:hover { BACKGROUND: #c9c9a7; COLOR: #000 } .menu UL LI:hover UL LI:hover UL { DISPLAY: block; LEFT: 150px; WIDTH: 150px; POSITION: absolute; TOP: 0px } .menu UL LI:hover UL LI:hover UL.left { LEFT: -150px } </style> <META content="MSHTML 6.00.6000.16441" name=GENERATOR></HEAD> <BODY> <UL> <LI>DEMOS <UL> <LI>zero dollars advertising page </LI> <LI>wrapping text around images </LI> <LI>styled form </LI> <LI>active focus </LI> <LI>hover/click with no borders <UL> <LI>styled form </LI> <LI>removing active/focus borders </LI> <LI>hover/click </LI></UL></LI> <LI class=upone>shadow boxing </LI> <LI>image map for detailed information </LI> <LI>fun with background images </LI> <LI>fade scrolling </LI> <LI>em image sizes compared </LI></UL></LI> <LI>BOXES <UL> <LI>a coded list of spies </LI> <LI>vertical menu </LI> <LI>enlarging unordered list </LI> <LI>link images </LI> <LI>non-rectangular </LI> <LI>jigsaw links </LI> <LI>circular links </LI></UL></LI> <LI>MOZILLA <UL> <LI>drop down menu </LI> <LI>cascading menu </LI> <LI>content: </LI> <LI>mozzie box </LI> <LI>I can build a rainbow with transparent borders </LI> <LI>a snooker cue using border art </LI> <LI>target practise </LI> <LI>two tone headings </LI> <LI>shadow text </LI></UL></LI> <LI>EXPLORER <UL> <LI>the first example for Internet Explorer </LI> <LI>weft fonts </LI> <LI>vertically aligning text </LI></UL></LI> <LI>OPACITY <UL> <LI>a colour wheel using opaque colours </LI> <LI>a menu using opacity </LI> <LI>partial opacity </LI> <LI>partial opacity II </LI> <LI>HOVER/CLICK <UL class=left> <LI>styled form </LI> <LI>removing active/focus borders </LI> <LI>hover/click </LI></UL></LI></UL></LI></UL></BODY></HTML> [Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]http://www.jluvip.com/works/css/dropmenu/dropmenu.html