1.html页面
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<title>Bootstrap 3 的多级下拉菜单示例 </title>
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<script type="text/javascript" src="http://libs.baidu.com/jquery/1.9.0/jquery.js"> </script>
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<link rel="stylesheet" href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css"/>
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<script type="text/javascript" src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"> </script>
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<style type="text/css">
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.dropdown-submenu {
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position: relative;
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}
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.dropdown-submenu > .dropdown-menu {
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top: 0;
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left: 100%;
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margin-top: - 6px;
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margin-left: - 1px;
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-webkit-border-radius: 0 6px 6px 6px;
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-moz-border-radius: 0 6px 6px;
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border-radius: 0 6px 6px 6px;
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}
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.dropdown-submenu :hover > .dropdown-menu {
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display: block;
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}
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.dropdown-submenu > a :after {
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display: block;
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content: " ";
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float: right;
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width: 0;
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height: 0;
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border-color: transparent;
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border-style: solid;
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border-width: 5px 0 5px 5px;
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border-left-color: #ccc;
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margin-top: 5px;
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margin-right: - 10px;
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}
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.dropdown-submenu :hover > a :after {
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border-left-color: #fff;
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}
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.dropdown-submenu .pull-left {
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float: none;
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}
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.dropdown-submenu .pull-left > .dropdown-menu {
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left: - 100%;
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margin-left: 10px;
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-webkit-border-radius: 6px 0 6px 6px;
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-moz-border-radius: 6px 0 6px 6px;
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border-radius: 6px 0 6px 6px;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="row">
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<h2>Bootstrap 3多级下拉菜单 </h2>
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<hr>
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<div class="dropdown" id=" dropdown ">
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<a id="dLabel" role="button" data-toggle="dropdown" class="btn btn-primary" data-target="#"
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href= "javascript:;">
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下拉多级菜单 <span class="caret"> </span>
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</a>
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<ul class="dropdown-menu multi-level" role="menu" aria-labelledby="dropdownMenu">
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<li> <a href="javascript:;">一级菜单 </a> </li>
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<li> <a href="javascript:;">一级菜单 </a> </li>
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<li class="divider"> </li>
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<li class="dropdown-submenu">
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<a tabindex="-1" href="javascript:;">一级菜单 </a>
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<ul class="dropdown-menu">
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<li> <a tabindex="-1" href="javascript:;">二级菜单 </a> </li>
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<li class="divider"> </li>
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<li class="dropdown-submenu">
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<a href="javascript:;">二级菜单 </a>
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<ul class="dropdown-menu">
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<li class="dropdown-submenu">
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<a href="javascript:;">三级菜单 </a>
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<ul class="dropdown-menu">
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<li> <a href="javascript:;">四级菜单 </a> </li>
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</ul>
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</li>
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</ul>
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</li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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</div>
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</body>
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</html>
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var initmenu = function(dropdown,menudata) {
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var dropdown = $(dropdown);
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function createNode(data) {
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var html = '<ul class="dropdown-menu">';
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for( var key in data) {
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if(data[key][ "child"]) {
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html += '<li class="dropdown-submenu"><a href="'+data[key][ "link"]+ '" onclick="'+data[key][ "click"]+ '">'+data[key][ "name"]+ '</a>';
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html += createNode(data[key][ "child"]);
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} else {
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html += '<li><a href="'+data[key][ "link"]+ '" onclick="'+data[key][ "click"]+ '">'+data[key][ "name"]+ '</a>';
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}
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dropdown.append( '</li>');
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}
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html += '</ul>';
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return html;
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}
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var html = createNode(menudata);
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dropdown.append(html);
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}
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var menudata = {
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//name:"顶级菜单",
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"id1":{ name: "一级菜单1", link: "link"},
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"id2":{ name: "一级菜单2", link: "link"},
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"id3":{ name: "一级菜单3", link: "link"},
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"id4":{
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name: "一级菜单4", link: "link",
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child: {
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"id5":{ name: "二级菜单1", link: "link"},
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"id6":{ name: "二级菜单2", link: "link"},
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"id7":
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{
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name: "二级菜单3",
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link: "link",
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child:{
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"id8": {
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name: "三级菜单1",
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link: "link",
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child:{
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"四级菜单":{ name: "二级菜单2", link: "link"}
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}
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}
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}
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}
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}
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}
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}
initmenu("#dropdown",menudata);