简洁JS和CSS3多级导航菜单

PetitQ 导航菜单 2018-10-20 2.17K 0 0

这是一款基于 bootsnav 的 js 和 CSS3 多级导航菜单效果。该多级导航菜单效果在 bootsnav 菜单的基础上进行了美化，使效果更加炫酷。

使用方法：

在页面中引入 bootstrap 相关文件,jquery 和 bootsnav 文件。

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<link rel="stylesheet" href="css/bootstrap.min.css">

<link rel="stylesheet" href="css/font-awesome.min.css">

<link rel="stylesheet" href="css/bootsnav.css">

<script type="text/javascript" src="js/jquery.min.js"></script>

<script type="text/javascript" src="js/bootstrap.min.js"></script>

<script type="text/javascript" src="js/bootsnav.js"></script>

HTML 结构：

该 js 和 CSS3 多级导航菜单的 HTML 结构如下：

```
<div class="container">
```
```
    <div class="row">
```
```
        <div class="col-md-12">
```

            <nav class="navbar navbar-default navbar-mobile bootsnav on">

                <div class="navbar-header">

                    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar-menu">

                        <i class="fa fa-bars"></i>

```
                    </button>
```
```
                </div>
```

                <div class="collapse navbar-collapse" id="navbar-menu">

                    <ul class="nav navbar-nav" data-in="fadeInDown" data-out="fadeOutUp">

                        <li><a href="#" data-hover="Home">Home</a></li>

                        <li><a href="#" data-hover="About">About</a></li>

                        <li class="dropdown">

                            <a href="#" class="dropdown-toggle" data-toggle="dropdown" data-hover="Shortcodes">Shortcodes</a>

                            <ul class="dropdown-menu animated">

                                <li><a href="#">Custom Menu</a></li>

                                <li><a href="#">Custom Menu</a></li>

                                <li class="dropdown">

                                    <a href="#" class="dropdown-toggle" data-toggle="dropdown">Sub Menu</a>

                                    <ul class="dropdown-menu animated">

                                        <li><a href="#">Custom Menu</a></li>

                                        <li><a href="#">Custom Menu</a></li>

                                        <li class="dropdown">

                                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Sub Menu</a>

                                            <ul class="dropdown-menu multi-dropdown animated">

                                                <li><a href="#">Custom Menu</a></li>

                                                <li><a href="#">Custom Menu</a></li>

                                                <li><a href="#">Custom Menu</a></li>

                                                <li><a href="#">Custom Menu</a></li>

                                            </ul>

                                        </li>

                                        <li><a href="#">Custom Menu</a></li>

                                    </ul>

```
                                </li>
```

                                <li><a href="#">Custom Menu</a></li>

                                <li><a href="#">Custom Menu</a></li>

                                <li><a href="#">Custom Menu</a></li>

                                <li><a href="#">Custom Menu</a></li>

```
                            </ul>
```
```
                        </li>
```

                        <li class="dropdown">

                            <a href="#" class="dropdown-toggle" data-toggle="dropdown" data-hover="Pages">Pages</a>

                            <ul class="dropdown-menu animated">

                                <li><a href="#">Custom Menu</a></li>

                                <li><a href="#">Custom Menu</a></li>

                                <li class="dropdown">

                                    <a href="#" class="dropdown-toggle" data-toggle="dropdown">Sub Menu</a>

                                    <ul class="dropdown-menu animated">

                                        <li><a href="#">Custom Menu</a></li>

                                        <li><a href="#">Custom Menu</a></li>

                                        <li class="dropdown">

                                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Sub Menu</a>

                                            <ul class="dropdown-menu multi-dropdown animated">

                                                <li><a href="#">Custom Menu</a></li>

                                                <li><a href="#">Custom Menu</a></li>

                                                <li><a href="#">Custom Menu</a></li>

                                                <li><a href="#">Custom Menu</a></li>

                                            </ul>

                                        </li>

                                        <li><a href="#">Custom Menu</a></li>

                                    </ul>

```
                                </li>
```

                                <li><a href="#">Custom Menu</a></li>

                                <li><a href="#">Custom Menu</a></li>

                                <li><a href="#">Custom Menu</a></li>

                                <li><a href="#">Custom Menu</a></li>

```
                            </ul>
```
```
                        </li>
```

                        <li><a href="#" data-hover="Portfolio">Portfolio</a></li>

                        <li class="dropdown megamenu-fw">

                            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Megamenu</a>

                            <ul class="dropdown-menu megamenu-content animated" role="menu">

```
                                <li>
```

                                    <div class="row">

                                        <div class="col-menu col-md-3">

                                            <h6 class="title">Title Menu One</h6>

                                            <div class="content">

                                                <ul class="menu-col">

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                </ul>

                                            </div>

                                        </div><!-- end col-3 -->

                                        <div class="col-menu col-md-3">

                                            <h6 class="title">Title Menu Two</h6>

                                            <div class="content">

                                                <ul class="menu-col">

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                </ul>

                                            </div>

                                        </div><!-- end col-3 -->

                                        <div class="col-menu col-md-3">

                                            <h6 class="title">Title Menu Three</h6>

                                            <div class="content">

                                                <ul class="menu-col">

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                </ul>

                                            </div>

                                        </div>

                                        <div class="col-menu col-md-3">

                                            <h6 class="title">Title Menu Four</h6>

                                            <div class="content">

                                                <ul class="menu-col">

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                    <li><a href="#">Custom Menu</a></li>

                                                </ul>

                                            </div>

                                        </div><!-- end col-3 -->

                                    </div><!-- end row -->

```
                                </li>
```
```
                            </ul>
```
```
                        </li>
```

                        <li><a href="#" data-hover="Contact">Contact</a></li>

```
                    </ul>
```
```
                </div>
```
```
            </nav>
```
```
        </div>
```
```
    </div>
```
```
</div>
```

CSS 样式：

然后通过下面的 CSS 代码来对该 js 和 CSS3 多级导航菜单进行美化。

```
nav.navbar.bootsnav{
```
```
    border: none;
```
```
    background: none;
```
```
    margin-bottom: 150px;
```
```
}
```
```
nav.navbar.bootsnav ul.nav > li{
```
```
    margin-right: 10px;
```
```
}
```
```
nav.navbar.bootsnav ul.nav > li:before{
```
```
    content: "";
```
```
    width: 2px;
```
```
    height: 0;
```
```
    background: #fff;
```
```
    margin: 0 auto;
```
```
    position: absolute;
```
```
    bottom: 0;
```
```
    left: 0;
```
```
    right: 0;
```
```
    transition: all 0.5s ease 0s;
```
```
}
```

nav.navbar.bootsnav ul.nav > li:hover:before{ height: 25px; }

nav.navbar.bootsnav ul.nav > li.megamenu-fw:before{ left: 11.3%; }

```
nav.navbar.bootsnav ul.nav > li:after{
```
```
    content: "";
```
```
    width: 10px;
```
```
    height: 10px;
```
```
    border-radius: 50%;
```
```
    background: #fff;
```
```
    margin: 0 auto;
```
```
    position: absolute;
```
```
    bottom: 70px;
```
```
    left: 0;
```
```
    right: 0;
```
```
    opacity: 0;
```
```
    transition: all 0.5s ease 0s;
```
```
}
```

nav.navbar.bootsnav ul.nav > li:hover:after{

```
    bottom: 20px;
```
```
    opacity: 1;
```
```
}
```

nav.navbar.bootsnav ul.nav > li.megamenu-fw:after{ left: 11.3%; }

```
nav.navbar.bootsnav ul.nav > li > a{
```
```
    padding: 15px 15px 35px 15px;
```
```
    margin: 0;
```
```
    color: #fff;
```
```
    text-transform: uppercase;
```
```
    z-index: 1;
```
```
    transition: all 0.5s ease 0s;
```
```
}
```

nav.navbar.bootsnav ul.nav > li.dropdown > a{

```
    padding: 15px 30px 35px 15px;
```
```
}
```

nav.navbar.bootsnav ul.nav > li > a:hover{ color: #fff; }

nav.navbar.bootsnav ul.nav > li.dropdown > a.dropdown-toggle:after{

```
    position: absolute;
```
```
    margin: 0 0 0 7px;
```
```
}
```

nav.navbar.bootsnav ul.nav > li.dropdown > ul{

```
    top: 120%;
```
```
    transition: all 0.8s ease 0s;
```
```
}
```

nav.navbar.bootsnav ul.nav > li.dropdown.on > ul{

```
    top: 100%;
```
```
}
```
```
.dropdown-menu.multi-dropdown{
```
```
    position: absolute;
```
```
    left: -100% !important;
```
```
}
```

nav.navbar.bootsnav li.dropdown ul.dropdown-menu{

    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);

```
    border: none;
```
```
}
```

nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content li{

```
    font-size: 14px;
```
```
    color: #6f6f6f;
```
```
}
```

nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .title{

```
    font-size: 16px;
```
```
    font-weight: bold;
```
```
    color: #3f3f3f;
```
```
}
```

@media only screen and (max-width:990px){

    .dropdown-menu.multi-dropdown{ left: 0 !important; }

```
    nav.navbar.bootsnav .navbar-toggle{
```
```
        background: none;
```
```
        color: #fff;
```
```
    }
```
```
    nav.navbar.bootsnav ul.nav > li{
```
```
        margin-right: 0;
```
```
    }
```

    nav.navbar.bootsnav ul.nav > li:before{

```
        width: 0;
```
```
        height: 2px;
```
```
        background: #dca342;
```
```
        margin: 0;
```
```
        bottom: 50%;
```
```
        left: 0;
```
```
    }
```

    nav.navbar.bootsnav ul.nav > li:hover:before{

```
        width: 25px;
```
```
        height: 2px;
```
```
    }
```

    nav.navbar.bootsnav ul.nav > li.megamenu-fw:before{

```
        left: 0;
```
```
        bottom: 52%;
```
```
    }
```

    nav.navbar.bootsnav ul.nav > li:after,

    nav.navbar.bootsnav ul.nav > li.megamenu-fw:after{

```
        background: #dca342;
```
```
        margin: 0;
```
```
        bottom: 50%;
```
```
        left: auto;
```
```
        right: 0;
```
```
    }
```

    nav.navbar.bootsnav ul.nav > li:hover:after{

```
        bottom: 42%;
```
```
        right: 90%;
```
```
    }
```

    nav.navbar.bootsnav ul.nav > li:hover.megamenu-fw:after{

```
        bottom: 51.3%;
```
```
    }
```

    nav.navbar.bootsnav.navbar-mobile ul.nav > li > a{

```
        padding: 15px;
```
```
        text-align: center;
```
```
    }
```

    nav.navbar.bootsnav ul.nav > li > a,

    nav.navbar.bootsnav ul.nav > li > a:hover{

```
        color: #333;
```
```
    }
```

    nav.navbar.bootsnav ul.nav > li.dropdown > ul{ top: 100%; }

    nav.navbar.bootsnav ul.nav > li.dropdown.on:before,

    nav.navbar.bootsnav ul.nav > li.dropdown.on:after{

```
        display: none;
```
```
    }
```

    nav.navbar.bootsnav li.dropdown ul.dropdown-menu.megamenu-content .title{

```
        font-size: 14px;
```
```
        font-weight: normal;
```
```
    }
```
```
}
```

简洁 JS 和 CSS3 多级导航菜单

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导航菜单

简洁JS和CSS3多级导航菜单

使用方法：

HTML 结构：

CSS 样式：

简洁 JS 和 CSS3 多级导航菜单

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