本文实例讲述了JS+CSS实现自动切换的网页滑动门菜单效果代码。分享给大家供大家参考。具体如下：
这是一款支持自动切换功能的网页滑动门菜单，JS与CSS结合的技术成果，有人说它是自己会切换的网页选项卡标签面板，QQ登录后弹出的每日要闻迷你窗口中有类似效果，但是代码写法却是截然不同的，每一位作者的思路是不同的，因此您多了一份参考。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/js-css-auto-cha-tab-menu-style-codes/
具体代码如下：
<html><head><title>自动切换的网页滑动门菜单</title><meta http-equiv="content-Type" content="text/html;charset=gb2312"><style type="text/css"><!--html, body, ul, ol, li, p, h1, h2, h3, h4, h5, h6, form, fieldset, table, td, img {margin:0; padding:0; border:0;}td,p,div,li,select,input,textarea {font-size:12px;}ul {list-style-type:none; text-align:left;}select,input {vertical-align:middle;}body { color:#333; repeat-x;}#wrap { width:750px; margin:0 auto; clear:both; background:#fff;}.clearit { clear:both;}a{ color:#039; text-decoration:underline;}a:hover{ color:#F00; text-decoration:underline;}.linkN a{ color:#039; text-decoration:none;}.linkN a:hover{ color:#F00; text-decoration:underline;}.linkfff a{ color:#fff; text-decoration:none;}.linkfff a:hover{ color:#F00; text-decoration:underline;}.linkAD5A00 a { color:#AD5A00; text-decoration:none;}.linkAD5A00 a:hover { color:#f00; text-decoration:underline;}.linkC00 a { color:#C00; text-decoration:none;}.linkC00 a:hover { color:#C00; text-decoration:underline;}.link666 a { color:#666; text-decoration:none;}.link666 a:hover { color:#F00; text-decoration:underline;}h1 { font-size:16px; font-family:simhei; font-weight:500; text-align:center; padding:5px 0 3px 0;}h2 { font-size:14px; color:#fff; display:block; clear:both; text-align:left;}h3 { font-size:14px; font-weight:200; no-repeat 2px 7px; border-bottom:2px solid #BBE5F1; padding:5px 0 2px 17px; margin:5px 0;}span{ font-size:12px; font-weight:200; float:right; margin-right:5px;}ul { margin:5px 0 0 5px; color:#039;}li { padding:3px 0 3px 10px; no-repeat 3px 7px;}.noStyle li { padding:3px 0; background:none;}ul.two { margin:8px 0 0 12px;}.two li { padding:3px 0 3px 10px; no-repeat 3px 7px; float:left; width:110px;}.f14 li { font-size:14px; padding:1px 0 4px 10px;}.blkT { margin-top:6px;}.list14 { font-size:14px; line-height:23px;}/*CSS for 共用模块 end*/.leW { width:254px;}.miW { padding:0 5px;}.riW { width:140px; background:#F3F3F3;}.riW li { padding:3px 0 3px 6px; no-repeat 0 7px;}.cont_le { background:#EBF8FB; border:1px solid #A3D8E0; border-top:none; border-bottom:none; padding:8px 0 8px 0;}.cont_all { background:#EBF8FB; border:1px solid #A3D8E0; border-top:none; padding:8px 0 8px 0;}.text { padding:4px 0 8px 0; text-align:center;}.pic { margin:8px 0; text-align:center;}.textL { text-align:left; padding:3 0 8px 0;}.blankT { margin-top:8px;}.picfff { text-align:center;}.picfff img { border:1px solid #fff; margin:5px 0;}.partA .jdt { background:#D11C00; padding:5px 0 5px 0; text-align:left;}.partA .cont_le p { float:left; margin:0 0 0 6px; text-align:center;}.partA .miW .top { height:17px; no-repeat; text-align:right; padding:5px 18px 0 0; margin-top:8px;}.partA .miW .top a { color:#C00; text-decoration:underline;}.partA .miW .top a:hover { color:#C00; text-decoration:none;}.partA .miW .cont { background:#FFFBEA; border:1px solid #FC6; border-top:none; padding-bottom:5px; border-bottom:none;}.partA .miW .cont p{ line-height:19px; margin-left:15px;}.partA .miW .cont .line { repeat-x; height:1px; font-size:0; margin:5px 15px;}.partA .miW .top1 { height:15px; no-repeat; text-align:left; padding:4px 0 0 23px; margin-left:0; _margin-left:2px;}.partA .miW .top1 h2 { color:#000;}.partA .miW .cont1 { border:1px solid #FC6; border-top:none; padding:5px 0 8px 0;}.partA .shiP { no-repeat bottom; width:120px; height:109px; border:1px solid #A0B2D8; margin:10px 0 0 9px;}/*标签*/.menu1Off,.menu1On,.menu2Off,.menu2On,.menu3Off,.menu3On,.menu4Off,.menu4On { height:20px; color:#039; text-align:center; background:#B2DBE1; cursor:pointer; padding-top:3px;}.menu1On,.menu2On,.menu3On,.menu4On{ color:#C00; background:#fff; border-left:1px solid #34AEBE; border-right:1px solid #34AEBE;}/*标签a*/.menua1Off,.menua1On,.menua2Off,.menua2On{ height:16px; width:52px; color:#666; text-align:center; repeat-x; cursor:pointer; padding-top:3px;}.menua1On,.menua2On{ color:#C00; font-weight:bold; repeat-x; }.menuCont { background:#F3F3F3;}.menuCont th { text-align:center; font-weight:200; padding:5px 0 3px 0;}.menuCont .noBg td { background:#fff; padding:5px 0 3px 5px; border-right:1px solid #F3F3F3; }.menuCont .noBg1 td { background:#F3F3F3; padding:5px 0 3px 5px; border-right:1px solid #FFF;}.partA .tuKu { no-repeat; margin-left:5px; height:150px; text-align:center;}.partA .tuKu p { float:left; margin:0 10px; _margin:0 8px;}.partA .tuKu img { padding:5px; border:1px solid #D0D1D2; background:#fff; margin:8px 0;}.partA .shiPyy { border:1px solid #FC6; margin-top:5px;}.partA .shiPyy h2 { color:#C00; background:#FFEAAF; padding:5px 0 3px 5px;}.partA .shiPyy img { vertical-align:middle;}.adv { margin:8px 0;}.leftW { width:605px; padding-right:5px; text-align:center;}.leftW .leW { width:140px;}.leftW .leW img { margin-bottom:8px;}.leftW .leW p { text-align:left; line-height:19px; padding:0 5px; margin-top:5px;}.leftW .leW .picText { text-align:left; line-height:19px; padding-right:5px; margin-bottom:8px;}.leftW .leW .picText img { float:left; margin:0 7px;}.midW { padding:5px 0 0 5px; text-align:left;}.midW table { margin-bottom:8px;}.midW td { line-height:19px; padding:3px 0px;}.midW span { float:none; color:#929292;}.midW .more span { float:right;}.midW .cC00 { color:#C00; font-weight:bold;}.rightW { width:140px; background:#F3F3F3;}.rightW p { float:left; margin:5px 0 5px 8px; _margin:5px 0 5px 5px;}.rightW .cont { text-align:left; line-height:19px; text-align:left; padding:8px 0 0 8px;}.rightW .date { margin-top:8px;}.rightW .date td { color:#666; padding:1px 0;}.rightW .date td { background:#fff; padding:1px 0; color:#039;}.rightW .date .cF60 { color:#F60; font-weight:bold;}.rightW .fenX { margin-top:8px; margin-left:3px;}.rightW .fenX td { padding:5px 0 2px 5px; background:#fff; text-align:left;}.rightW .blk000 img { border:1px solid #000;}--></style></head><!--把<body>改为--><body onLoad="change_Menu(1)"><table width="254" cellspacing="0" class="partA"> <tr> <td class="leW" valign="top" width="254"> <!-- d --> <!-- d --> <!-- 舌签排行 begin --><script language="JavaScript" type="text/javascript">//<![CDATA[var cur_index=1var num=4 //该值记录标签的个数var settimefunction GetObj(objName){ if(document.getElementById){ return eval('document.getElementById("' + objName + '")'); }else if(document.layers){ return eval("document.layers['" + objName +"']"); }else{ return eval('document.all.' + objName); }}function change_Menu(index){ for(var i=1;i<=num;i++){/* 最多支持8个标签 */ if(GetObj("con"+i)&&GetObj("m"+i)){ GetObj("con"+i).style.display = 'none'; GetObj("m"+i).className = "menu"+i+"Off"; } } if(GetObj("con"+index)&&GetObj("m"+index)){ GetObj("con"+index).style.display = 'block'; GetObj("m"+index).className = "menu"+index+"On"; } cur_index=index if(cur_index<num){ cur_index++ } else{ cur_index=1 } settime=setTimeout("change_Menu(cur_index)",2000)//设置延迟时间}function Menu(c_index){ clearTimeout(settime) change_Menu(c_index) } //]]></script><table cellspacing="0" style="background:#3FA6B5; width:100%;" class="clearit"> <tr> <td height="3"></td> </tr> <tr> <td align="center">自动切换</td> <td id="m1" onClick="Menu(1)" class="menu1On" title="栏目">栏目1</td> <td width="1"></td> <td id="m2" onClick="Menu(2)" class="menu2Off" title="栏目">栏目2</td> <td width="1"></td> <td id="m3" onClick="Menu(3)" class="menu3Off" title="栏目">栏目3</td> <td width="1"></td> <td id="m4" onClick="Menu(4)" class="menu4Off" title="栏目">栏目4</td> <td width="10"></td> </tr></table><div id="con1" class="cont_le picfff"><p style="margin-left:1px;"><br><a href="#">111</a></p><div class="clearit"></div></div><div id="con2" style="display:none;" class="cont_le picfff"><p style="margin-left:1px;"><br><a href="#">222</a></p><div class="clearit"></div></div><div id="con3" style="display:none;" class="cont_le picfff"><p style="margin-left:1px;"><br><a href="#">333</a></p><div class="clearit"></div></div><div id="con4" style="display:none;" class="cont_le picfff"><p style="margin-left:1px;"><br><a href="#">444</a></p><div class="clearit"></div></div></body></html>希望本文所述对大家的JavaScript程序设计有所帮助。
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