超方便，易用二级菜单,纯div+css实现

来源：互联网发布：python 前端开发编辑：程序博客网时间：2024/05/21 15:32
二级菜单源码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>二级dropdown弹出菜单--A CROSS BROWSER DROP DOWN CASCADING VALIDATING MENU</title><style type="text/css">/* common styling *//* set up the overall width of the menu div, the font and the margins */.menu {font-family: arial, sans-serif; width:750px; margin:0; margin:50px 0;}/* remove the bullets and set the margin and padding to zero for the unordered list */.menu ul {padding:0; margin:0;list-style-type: none;}/* float the list so that the items are in a line and their position relative so that the drop down list will appear in the right place underneath each list item */.menu ul li {float:left; position:relative;}/* style the links to be 104px wide by 30px high with a top and right border 1px solid white. Set the background color and the font size. */.menu ul li a, .menu ul li a:visited {display:block; text-align:center; text-decoration:none; width:104px; height:30px; color:#000; border:1px solid #fff;border-width:1px 1px 0 0;background:#c9c9a7; line-height:30px; font-size:11px;}/* make the dropdown ul invisible */.menu ul li ul {display: none;}/* specific to non IE browsers *//* set the background and foreground color of the main menu li on hover */.menu ul li:hover a {color:#fff; background:#b3ab79;}/* make the sub menu ul visible and position it beneath the main menu list item */.menu ul li:hover ul {display:block; position:absolute; top:31px; left:0; width:105px;}/* style the background and foreground color of the submenu links */.menu ul li:hover ul li a {display:block; background:#faeec7; color:#000;}/* style the background and forground colors of the links on hover */.menu ul li:hover ul li a:hover {background:#dfc184; color:#000;}</style><!--[if lte IE 6]><style type="text/css">/* styling specific to Internet Explorer IE5.5 and IE6. Yet to see if IE7 handles li:hover *//* Get rid of any default table style */table {border-collapse:collapse;margin:0; padding:0;}/* ignore the link used by 'other browsers' */.menu ul li a.hide, .menu ul li a:visited.hide {display:none;}/* set the background and foreground color of the main menu link on hover */.menu ul li a:hover {color:#fff; background:#b3ab79;}/* make the sub menu ul visible and position it beneath the main menu list item */.menu ul li a:hover ul {display:block; position:absolute; top:32px; left:0; width:105px;}/* style the background and foreground color of the submenu links */.menu ul li a:hover ul li a {background:#faeec7; color:#000;}/* style the background and forground colors of the links on hover */.menu ul li a:hover ul li a:hover {background:#dfc184; color:#000;}</style><![endif]--></head><body><div class="menu"><ul><li><a class="hide" href="../menu/index.html">DEMOS</a><!--[if lte IE 6]><a href="../menu/index.html">DEMOS<table><tr><td><![endif]-->    <ul>    <li><a href="../menu/zero_dollars.html" title="The zero dollar ads page">zero dollars</a></li>    <li><a href="../menu/embed.html" title="Wrapping text around images">wrapping text</a></li>    <li><a href="../menu/form.html" title="Styling forms">styled form</a></li>    <li><a href="../menu/nodots.html" title="Removing active/focus borders">active focus</a></li>    <li><a href="../menu/shadow_boxing.html" title="Multi-position drop shadow">shadow boxing</a></li>    <li><a href="../menu/old_master.html" title="Image Map for detailed information">image map</a></li>    <li><a href="../menu/bodies.html" title="fun with background images">fun backgrounds</a></li>    <li><a href="../menu/fade_scroll.html" title="fade-out scrolling">fade scrolling</a></li>    <li><a href="../menu/em_images.html" title="em size images compared">em sized images</a></li>    </ul><!--[if lte IE 6]></td></tr></table></a><![endif]--></li><li><a class="hide" href="index.html">MENUS</a><!--[if lte IE 6]><a href="index.html">MENUS<table><tr><td><![endif]-->    <ul>    <li><a href="spies.html" title="a coded list of spies">spies menu</a></li>    <li><a href="vertical.html" title="a horizontal vertical menu">vertical menu</a></li>    <li><a href="expand.html" title="an enlarging unordered list">enlarging list</a></li>    <li><a href="enlarge.html" title="an unordered list with link images">link images</a></li>    <li><a href="cross.html" title="non-rectangular links">non-rectangular</a></li>    <li><a href="jigsaw.html" title="jigsaw links">jigsaw links</a></li>    <li><a href="circles.html" title="circular links">circular links</a></li>    </ul><!--[if lte IE 6]></td></tr></table></a><![endif]--></li><li><a class="hide" href="../layouts/index.html">LAYOUTS</a><!--[if lte IE 6]><a href="../layouts/index.html">LAYOUTS<table><tr><td><![endif]-->    <ul>    <li><a href="../layouts/bodyfix.html" title="Cross browser fixed layout">Fixed 1</a></li>    <li><a href="../layouts/body2.html" title="Cross browser fixed layout">Fixed 2</a></li>    <li><a href="../layouts/body4.html" title="Cross browser fixed layout">Fixed 3</a></li>    <li><a href="../layouts/body5.html" title="Cross browser fixed layout">Fixed 4</a></li>    <li><a href="../layouts/minimum.html" title="A simple minimum width layout">minimum width</a></li>    </ul><!--[if lte IE 6]></td></tr></table></a><![endif]--></li><li><a class="hide" href="../boxes/index.html">BOXES</a><!--[if lte IE 6]><a href="../boxes/index.html">BOXES<table><tr><td><![endif]-->    <ul>    <li><a href="spies.html" title="a coded list of spies">spies menu</a></li>    <li><a href="vertical.html" title="a horizontal vertical menu">vertical menu</a></li>    <li><a href="expand.html" title="an enlarging unordered list">enlarging list</a></li>    <li><a href="enlarge.html" title="an unordered list with link images">link images</a></li>    <li><a href="cross.html" title="non-rectangular links">non-rectangular</a></li>    <li><a href="jigsaw.html" title="jigsaw links">jigsaw links</a></li>    <li><a href="circles.html" title="circular links">circular links</a></li>    </ul><!--[if lte IE 6]></td></tr></table></a><![endif]--></li><li><a class="hide" href="../mozilla/index.html">MOZILLA</a><!--[if lte IE 6]><a href="../mozilla/index.html">MOZILLA<table><tr><td><![endif]-->    <ul>    <li><a href="../mozilla/dropdown.html" title="A drop down menu">drop down menu</a></li>    <li><a href="../mozilla/cascade.html" title="A cascading menu">cascading menu</a></li>    <li><a href="../mozilla/content.html" title="Using content:">content:</a></li>    <li><a href="../mozilla/moxbox.html" title=":hover applied to a div">mozzie box</a></li>    <li><a href="../mozilla/rainbow.html" title="I can build a rainbow">rainbow box</a></li>    <li><a href="../mozilla/snooker.html" title="Snooker cue">snooker cue</a></li>    <li><a href="../mozilla/target.html" title="Target Practise">target practise</a></li>    <li><a href="../mozilla/splittext.html" title="Two tone headings">two tone headings</a></li>    <li><a href="../mozilla/shadow_text.html" title="Shadow text">shadow text</a></li>    </ul><!--[if lte IE 6]></td></tr></table></a><![endif]--></li><li><a class="hide" href="../ie/index.html">EXPLORER</a><!--[if lte IE 6]><a href="../ie/index.html">EXPLORER<table><tr><td><![endif]-->    <ul>    <li><a href="../ie/exampleone.html" title="Example one">example one</a></li>    <li><a href="../ie/weft.html" title="Weft fonts">weft fonts</a></li>    <li><a href="../ie/exampletwo.html" title="Vertical align">vertical align</a></li>    </ul><!--[if lte IE 6]></td></tr></table></a><![endif]--></li><li><a class="hide" href="../opacity/index.html">OPACITY</a><!--[if lte IE 6]><a href="../opacity/index.html">OPACITY<table><tr><td><![endif]-->    <ul>    <li><a href="../opacity/colours.html" title="colour wheel">opaque colours</a></li>    <li><a href="../opacity/picturemenu.html" title="a menu using opacity">opaque menu</a></li>    <li><a href="../opacity/png.html" title="partial opacity">partial opacity</a></li>    <li><a href="../opacity/png2.html" title="partial opacity II">partial opacity II</a></li>    </ul><!--[if lte IE 6]></td></tr></table></a><![endif]--></li></ul><!-- clear the floats if required --><div class="clear"> </div></div></body></html>
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