Html - Bootstrap 头部

<div class="container">
    <div class="row clearfix">
        <div class="col-md-12 column">
            <nav class="navbar navbar-default" role="navigation">
                <div class="navbar-header">
                     <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1"> <span class="sr-only">切换导航</span><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span></button> <a class="navbar-brand" href="#">导航</a>
                </div>

                <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                    <ul class="nav navbar-nav">
                        <li class="active">
                            <a href="#">链接</a>
                        </li>
                        <li>
                            <a href="#">链接</a>
                        </li>
                        <li class="dropdown">
                             <a href="#" class="dropdown-toggle" data-toggle="dropdown">下拉菜单<strong class="caret"></strong></a>
                            <ul class="dropdown-menu">
                                <li>
                                    <a href="#">列表一</a>
                                </li>
                                <li>
                                    <a href="#">列表二</a>
                                </li>
                                <li>
                                    <a href="#">列表三</a>
                                </li>
                                <li class="divider">
                                </li>
                                <li>
                                    <a href="#">更多列表</a>
                                </li>
                                <li class="divider">
                                </li>
                                <li>
                                    <a href="#">更多列表</a>
                                </li>
                            </ul>
                        </li>
                    </ul>
                    <form class="navbar-form navbar-left" role="search">
                        <div class="form-group">
                            <input class="form-control" type="text" />
                        </div> <button type="submit" class="btn btn-default">搜索</button>
                    </form>
                    <ul class="nav navbar-nav navbar-right">
                        <li>
                            <a href="#">链接</a>
                        </li>
                        <li class="dropdown">
                             <a href="#" class="dropdown-toggle" data-toggle="dropdown">下拉菜单<strong class="caret"></strong></a>
                            <ul class="dropdown-menu">
                                <li>
                                    <a href="#">列表一</a>
                                </li>
                                <li>
                                    <a href="#">列表二</a>
                                </li>
                                <li>
                                    <a href="#">列表三</a>
                                </li>
                                <li class="divider">
                                </li>
                                <li>
                                    <a href="#">更多列表</a>
                                </li>
                                <li class="divider">
                                </li>
                                <li>
                                    <a href="#">更多列表</a>
                                </li>
                            </ul>
                        </li>
                    </ul>
                </div>

            </nav>
        </div>
    </div>
</div>

响应式头部Nav

    <nav class="navbar navbar-default navbar-fixed-top">
        <div class="container">
            <div class="navbar-header">
                <a href="#" class="navbar-brand">品牌LOGO</a>
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#cy_tp_ul">
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
            </div>
            <div class="collapse navbar-collapse" id="cy_tp_ul">
                <ul class="nav navbar-nav navbar-right" style="margin-top: 0px;">
                    <li class="active"><a href="#"><span class="glyphicon glyphicon-home"></span> 首页</a></li>
                    <li><a href="#"><span class="glyphicon glyphicon-list"></span> 咨询</a></li>
                    <li><a href="#"><span class="glyphicon glyphicon-fire"></span> 案例</a></li>
                    <li><a href="#"><span class="glyphicon glyphicon-home"></span> 关于</a></li>
                </ul>
            </div>
        </div>
    </nav>