javascript - Bootstrap 导航栏顶部的图像

Question

我试图在 Bootstrap 导航栏顶部添加一个图像，但是我无法在导航栏中添加一个带有额外“栏”的图像。

Answer 1

您可以将图像构建到导航栏中，因为您使用固定位置进行导航。这篇文章也可能有助于您尝试实现的其他功能:SO Bootstrap Search Bar

$(".btn-search").click(function(e) {
  $("#search-input, #btn-go").fadeToggle();
});
$(".hasclear").keyup(function() {
  var t = $(this);
  t.next('span').toggle(Boolean(t.val()));
});

$(".clearer").hide($(this).prev('input').val());

$(".clearer").click(function() {
  $(this).prev('input').val('').focus();
  $(this).hide();
});

body {
  height: 100%;
}
.banner {
  padding-bottom: 10px;
  text-align: center;
  background: white;
}
.banner img {
  height: 100px;
}
.navbar.navbar-custom {
  border: none;
  border-top: 6px solid #266080;
  border-bottom: 6px solid #266080;
  background: #444;
}
.navbar.navbar-custom .navbar-toggle {
  z-index: 1;
  border: none;
  background: none;
}
.navbar.navbar-custom .navbar-collapse {
  background: #444;
}
.navbar.navbar-custom .navbar-nav > li {
  border-left: 1px solid #fff;
}
.navbar.navbar-custom .navbar-nav > li:last-child {
  border-right: 1px solid #fff;
}
.navbar .formSearch {
  left: 0;
  position: absolute;
}
.navbar .formSearch .has-feedback span.glyphicon {
  padding: 7px;
  margin-right: 10px;
  cursor: pointer;
  pointer-events: auto;
  color: #fff;
}
.navbar .btn.btn-search,
.navbar .btn.btn-search:hover,
.navbar .btn.btn-search:focus {
  background: none;
  height: 50px;
  box-shadow: none;
  outline: none;
  border-radius: 0;
  border: none;
  color: #fff;
}
.navbar #search-input {
  height: 50px;
  background: #444;
  color: #fff;
  box-shadow: none;
  outline: none;
  font-size: 20px;
  border: none;
  display: none;
}
.navbar #search-input:focus {
  height: 50px;
  background: #444;
  color: #DFE82A;
  box-shadow: none;
  outline: none;
  font-size: 20px;
  border: none;
  display: none;
}
.navbar .input-group-btn #btn-go {
  height: 50px;
  border-radius: 0;
  border: none;
  box-shadow: none;
  outline: none;
  background: rgba(17, 18, 19, 1) color: #fff;
  display: none;
}
.well.well-dark {
  background: #444;
  border-radius: 0;
  color: #fff;
  text-align: center;
}
.footer {
  bottom: 0;
  width: 100%;
  height: 100px;
  background: #444;
  line-height: 85px;
  border-top: 6px solid #266080;
  border-bottom: 6px solid #266080;
}
ul.footer-nav > li {
  list-style: none;
  text-align: right;
}
ul.footer-nav > li > a {
  text-decoration: none;
  color: #fff;
}
/* Media Qs */

@media (min-width: 768px) {
  .navbar.navbar-custom .navbar-nav {
    width: 100%;
    text-align: center;
  }
  .navbar.navbar-custom .navbar-nav > li {
    float: none;
    display: inline-block;
  }
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" />
<nav class="navbar navbar-inverse navbar-custom navbar-top">
  <section class="banner" id="banner">
    <img src="http://scottace.com/img/css3-icon.png">
  </section>
  <div class="container-fluid">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"> <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>

      </button>
      <form class="formSearch" role="search"> <span class="input-group"> <span class="input-group-btn">
        <button class="btn btn-default btn-search" type="button"><span class="glyphicon glyphicon-search"></span>

        </button>
        </span>
        <div class="has-feedback">
          <input type="text" class="form-control hasclear" id="search-input" placeholder="Search for..."> <span class="clearer glyphicon glyphicon-remove form-control-feedback"></span>

        </div> <span class="input-group-btn">
        <button class="btn btn-default" id="btn-go" type="button"> Search</button>
      </span>
        </span>
    </div>
    </form>
  </div>
  <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
    <ul class="nav navbar-nav">
      <li><a href="#">Link</a>

      </li>
      <li><a href="#">Link</a>

      </li>
      <li><a href="#">Link</a>

      </li>
      <li><a href="#">Link</a>

      </li>
      <li><a href="#">Link</a>

      </li>
      <li><a href="#">Link</a>

      </li>
      <li><a href="#">Link</a>

      </li>
    </ul>
  </div>
  <!-- /.navbar-collapse -->
  </div>
  <!-- /.container-fluid -->
</nav>
<div class="container">
  <div class="well well-lg well-dark">
    <h1>Boostrap Search Bar</h1>

  </div>
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</div>
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      <li><a href="#">Copyright &#169; 2015</a>

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