一款由css3和jquery实现的响应式设计导航

2014年响应式设计成为设计主流。今天要给大家带来一款由css3和jquery实现的响应式设计导航。当显示器为pc时，导航为横条。当客户端为移动端时，呈现坚形导航。我们一起看下效果图：

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实现的代码。

html代码：

    <header>
        <nav id='cssmenu'>
            <div class="logo">
                <a href="index.html">Responsive </a>
            </div>
            <div id="head-mobile">
            </div>
            <div class="button">
            </div>
            <ul>
                <li class='active'><a href='#'>HOME</a></li>
                <li><a href='#'>ABOUT</a></li>
                <li><a href='#'>PRODUCTS</a>
                    <ul>
                        <li><a href='#'>Product 1</a>
                            <ul>
                                <li><a href='#'>Sub Product</a></li>
                                <li><a href='#'>Sub Product</a></li>
                            </ul>
                        </li>
                        <li><a href='#'>Product 2</a>
                            <ul>
                                <li><a href='#'>Sub Product</a></li>
                                <li><a href='#'>Sub Product</a></li>
                            </ul>
                        </li>
                    </ul>
                </li>
                <li><a href='#'>BIO</a></li>
                <li><a href='#'>VIDEO</a></li>
                <li><a href='#'>GALLERY</a></li>
                <li><a href='#'>CONTACT</a></li>
            </ul>
        </nav>
    </header>
    <section style='padding-top: 20px; font: bold  44px arial; color: #68D800; width: 970px;
        margin: auto;'>
 Responsive CSS3 Menu
<br />Dropdown + Submenus
<br />
  Width Toggle Animation
    <script src="/scripts/2bc/_gg_970_90.js" type="text/javascript"></script>
</section>

css3代码：

   *
        {
            margin:;
            padding:;
            text-decoration: none;
        }
        body
        {
            background: #555;
        }
        header
        {
            position: relative;
            width: 100%;
            background: #333;
        }
        .logo
        {
            position: relative;
            z-index:;
            padding: 10px;
            font: 18px verdana;
            color: #6DDB07;
            float: left;
            width: 15%;
        }
        .logo a
        {
            color: #6DDB07;
        }
        nav
        {
            position: relative;
            width: 980px;
            margin: 0 auto;
        }
        #cssmenu, #cssmenu ul, #cssmenu ul li, #cssmenu ul li a, #cssmenu #head-mobile
        {
            border:;
            list-style: none;
            line-height:;
            display: block;
            position: relative;
            -webkit-box-sizing: border-box;
            -moz-box-sizing: border-box;
            box-sizing: border-box;
        }
        #cssmenu:after, #cssmenu > ul:after
        {
            content: ".";
            display: block;
            clear: both;
            visibility: hidden;
            line-height:;
            height:;
        }
        #cssmenu #head-mobile
        {
            display: none;
        }
        #cssmenu
        {
            font-family: sans-serif;
            background: #333;
        }
        #cssmenu > ul > li
        {
            float: left;
        }
        #cssmenu > ul > li > a
        {
            padding: 17px;
            font-size: 12px;
            letter-spacing: 1px;
            text-decoration: none;
            color: #ddd;
            font-weight:;
        }
        #cssmenu > ul > li:hover > a, #cssmenu ul li.active a
        {
            color: #fff;
        }
        #cssmenu ul li.active:hover
        {
            background: #448D00;
        }
        #cssmenu > ul > li:hover, #cssmenu ul li.active
        {
            background: #448D00;
            -webkit-transition: background .3s ease;
            -ms-transition: background .3s ease;
            transition: background .3s ease;
        }
        #cssmenu > ul > li.has-sub > a
        {
            padding-right: 30px;
        }
        #cssmenu > ul > li.has-sub > a:after
        {
            position: absolute;
            top: 22px;
            right: 11px;
            width: 8px;
            height: 2px;
            display: block;
            background: #ddd;
            content: '';
        }
        #cssmenu > ul > li.has-sub > a:before
        {
            position: absolute;
            top: 19px;
            right: 14px;
            display: block;
            width: 2px;
            height: 8px;
            background: #ddd;
            content: '';
            -webkit-transition: all .25s ease;
            -ms-transition: all .25s ease;
            transition: all .25s ease;
        }
        #cssmenu > ul > li.has-sub:hover > a:before
        {
            top: 23px;
            height:;
        }
        #cssmenu ul ul
        {
            position: absolute;
            left: -9999px;
        }
        #cssmenu ul ul li
        {
            height:;
            -webkit-transition: all .25s ease;
            -ms-transition: all .25s ease;
            transition: all .25s ease;
        }
        #cssmenu ul ul li:hover
        {
        }
        #cssmenu li:hover > ul
        {
            left: auto;
        }
        #cssmenu li:hover > ul > li
        {
            height: 35px;
        }
        #cssmenu ul ul ul
        {
            margin-left: 100%;
            top:;
        }
        #cssmenu ul ul li a
        {
            border-bottom: 1px solid rgba(150,150,150,0.15);
            padding: 11px 15px;
            width: 170px;
            font-size: 12px;
            text-decoration: none;
            color: #ddd;
            font-weight:;
            background: #333;
        }
        #cssmenu ul ul li:last-child > a, #cssmenu ul ul li.last-item > a
        {
            border-bottom:;
        }
        #cssmenu ul ul li:hover > a, #cssmenu ul ul li a:hover
        {
            color: #fff;
        }
        #cssmenu ul ul li.has-sub > a:after
        {
            position: absolute;
            top: 16px;
            right: 11px;
            width: 8px;
            height: 2px;
            display: block;
            background: #ddd;
            content: '';
        }
        #cssmenu ul ul li.has-sub > a:before
        {
            position: absolute;
            top: 13px;
            right: 14px;
            display: block;
            width: 2px;
            height: 8px;
            background: #ddd;
            content: '';
            -webkit-transition: all .25s ease;
            -ms-transition: all .25s ease;
            transition: all .25s ease;
        }
        #cssmenu ul ul > li.has-sub:hover > a:before
        {
            top: 17px;
            height:;
        }
        #cssmenu ul ul li.has-sub > a:hover, #cssmenu ul li.has-sub ul li.has-sub ul li > a:hover
        {
            background: #363636;
        }

        @media screen and (max-width: 468px)
        {
            .logo
            {
                position: absolute;
                top:;
                left:;
                width: 100%;
                height: 46px;
                text-align: center;
                padding: 10px 0 0 0;
                float: none;
            }
            .logo2
            {
                display: none;
            }
            nav
            {
                width: 100%;
            }
            #cssmenu
            {
                width: 100%;
            }
            #cssmenu ul
            {
                width: 100%;
                display: none;
            }
            #cssmenu ul li
            {
                width: 100%;
                border-top: 1px solid #444;
            }
            #cssmenu ul li:hover
            {
                background: #363636;
                -webkit-transition: none;
                -ms-transition: none;
                transition: none;
            }
            #cssmenu ul ul li, #cssmenu li:hover > ul > li
            {
                height: auto;
            }
            #cssmenu ul li a, #cssmenu ul ul li a
            {
                width: 100%;
                border-bottom:;
            }
            #cssmenu > ul > li
            {
                float: none;
            }
            #cssmenu ul ul li a
            {
                padding-left: 25px;
            }
            #cssmenu ul ul li a
            {
                background: #333 !important;
            }
            #cssmenu ul ul li a:hover
            {
                background: #363636 !important;
            }
            #cssmenu ul ul ul li a
            {
                padding-left: 35px;
            }
            #cssmenu ul ul li a
            {
                color: #ddd;
                background: none;
            }
            #cssmenu ul ul li:hover > a, #cssmenu ul ul li.active > a
            {
                color: #fff;
            }
            #cssmenu ul ul, #cssmenu ul ul ul
            {
                position: relative;
                left:;
                width: 100%;
                margin:;
                text-align: left;
            }
            #cssmenu > ul > li.has-sub > a:after, #cssmenu > ul > li.has-sub > a:before, #cssmenu ul ul > li.has-sub > a:after, #cssmenu ul ul > li.has-sub > a:before
            {
                display: none;
            }
            #cssmenu #head-mobile
            {
                display: block;
                padding: 23px;
                color: #ddd;
                font-size: 12px;
                font-weight:;
            }
            .button
            {
                width: 55px;
                height: 46px;
                position: absolute;
                right:;
                top:;
                cursor: pointer;
                z-index:;
            }
            .button:after
            {
                position: absolute;
                top: 22px;
                right: 20px;
                display: block;
                height: 4px;
                width: 20px;
                border-top: 2px solid #dddddd;
                border-bottom: 2px solid #dddddd;
                content: '';
            }
            .button:before
            {
                -webkit-transition: all .3s ease;
                -ms-transition: all .3s ease;
                transition: all .3s ease;
                position: absolute;
                top: 16px;
                right: 20px;
                display: block;
                height: 2px;
                width: 20px;
                background: #ddd;
                content: '';
            }
            .button.menu-opened:after
            {
                -webkit-transition: all .3s ease;
                -ms-transition: all .3s ease;
                transition: all .3s ease;
                top: 23px;
                border:;
                height: 2px;
                width: 19px;
                background: #fff;
                -webkit-transform: rotate(45deg);
                -moz-transform: rotate(45deg);
                -ms-transform: rotate(45deg);
                -o-transform: rotate(45deg);
                transform: rotate(45deg);
            }
            .button.menu-opened:before
            {
                top: 23px;
                background: #fff;
                width: 19px;
                -webkit-transform: rotate(-45deg);
                -moz-transform: rotate(-45deg);
                -ms-transform: rotate(-45deg);
                -o-transform: rotate(-45deg);
                transform: rotate(-45deg);
            }
            #cssmenu .submenu-button
            {
                position: absolute;
                z-index:;
                right:;
                top:;
                display: block;
                border-left: 1px solid #444;
                height: 46px;
                width: 46px;
                cursor: pointer;
            }
            #cssmenu .submenu-button.submenu-opened
            {
                background: #262626;
            }
            #cssmenu ul ul .submenu-button
            {
                height: 34px;
                width: 34px;
            }
            #cssmenu .submenu-button:after
            {
                position: absolute;
                top: 22px;
                right: 19px;
                width: 8px;
                height: 2px;
                display: block;
                background: #ddd;
                content: '';
            }
            #cssmenu ul ul .submenu-button:after
            {
                top: 15px;
                right: 13px;
            }
            #cssmenu .submenu-button.submenu-opened:after
            {
                background: #fff;
            }
            #cssmenu .submenu-button:before
            {
                position: absolute;
                top: 19px;
                right: 22px;
                display: block;
                width: 2px;
                height: 8px;
                background: #ddd;
                content: '';
            }
            #cssmenu ul ul .submenu-button:before
            {
                top: 12px;
                right: 16px;
            }
            #cssmenu .submenu-button.submenu-opened:before
            {
                display: none;
            }
        }

js代码：

  (function ($) {

            $.fn.menumaker = function (options) {

                var cssmenu = $(this), settings = $.extend({
                    format: "dropdown",
                    sticky: false
                }, options);

                return this.each(function () {

                    $(this).find(".button").on('click', function () {
                        $(this).toggleClass('menu-opened');
                        var mainmenu = $(this).next('ul');
                        if (mainmenu.hasClass('open')) {
                            mainmenu.slideToggle().removeClass('open');
                        }
                        else {
                            mainmenu.slideToggle().addClass('open');
                            if (settings.format === "dropdown") {
                                mainmenu.find('ul').show();
                            }
                        }
                    });

                    cssmenu.find('li ul').parent().addClass('has-sub');

                    multiTg = function () {
                        cssmenu.find(".has-sub").prepend('<span class="submenu-button"></span>');
                        cssmenu.find('.submenu-button').on('click', function () {
                            $(this).toggleClass('submenu-opened');
                            if ($(this).siblings('ul').hasClass('open')) {
                                $(this).siblings('ul').removeClass('open').slideToggle();
                            }
                            else {
                                $(this).siblings('ul').addClass('open').slideToggle();
                            }
                        });
                    };

                    if (settings.format === 'multitoggle') multiTg();
                    else cssmenu.addClass('dropdown');

                    if (settings.sticky === true) cssmenu.css('position', 'fixed');

                    resizeFix = function () {
                        if ($(window).width() > 468) {
                            cssmenu.find('ul').show();

                        }

                        if ($(window).width() <= 468) {
                            cssmenu.find('ul').hide().removeClass('open');

                        }
                    };
                    resizeFix();
                    return $(window).on('resize', resizeFix);

                });
            };
        })(jQuery);

        (function ($) {
            $(document).ready(function () {
                $("#cssmenu").menumaker({
                    format: "multitoggle"
                });

            });
        })(jQuery);
        //@ sourceURL=pen.js

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