bootstrap3 三级下拉菜单
<!DOCTYPE HTML>
<html >
<head>
<meta charset="UTF-8">
<title>Bootstrap 3 的多级下拉菜单示例</title>
<script type="text/javascript" src="js/jquery-3.2.1.js"></script>
<link rel="stylesheet" href="css/bootstrap.min.css"/>
<script type="text/javascript" src="js/bootstrap.min.js"></script>
//
- <script type="text/javascript" src="bootstrap-3.3.6/js/jquery.cyan1.js"></script><span >jquery库文件</span>
- <script type="text/javascript" src="bootstrap-3.3.6/js/<span >dropdown.js</span>"></script>
- <link rel="stylesheet" href="bootstrap-3.3.6/dist/css/bootstrap.min.css" />
//
<style type="text/css">
.dropdown-submenu {
position: relative;
}
.dropdown-submenu > .dropdown-menu {
top: 0;
left: 100%;
margin-top: -6px;
margin-left: -1px;
-webkit-border-radius: 0 6px 6px 6px;
-moz-border-radius: 0 6px 6px;
border-radius: 0 6px 6px 6px;
}
.dropdown-submenu:hover > .dropdown-menu {
display: block;
}
.dropdown-submenu > a:after {
display: block;
content: " ";
float: right;
width: 0;
height: 0;
border-color: transparent;
border-style: solid;
border-width: 5px 0 5px 5px;
border-left-color: #ccc;
margin-top: 5px;
margin-right: -10px;
}
.dropdown-submenu:hover > a:after {
border-left-color: #fff;
}
.dropdown-submenu.pull-left {
float: none;
}
.dropdown-submenu.pull-left > .dropdown-menu {
left: -100%;
margin-left: 10px;
-webkit-border-radius: 6px 0 6px 6px;
-moz-border-radius: 6px 0 6px 6px;
border-radius: 6px 0 6px 6px;
}
</style>
</head>
<body>
<div class="container">
<div class="row">
<div class="form-group">
<input type="hidden" name="category_id" ).val(id);
})
</script>