html 代码
<div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
  <!-- 小圆点 -->
  <ol class="carousel-indicators">
    <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
    <li data-target="#carousel-example-generic" data-slide-to="1"></li>
    <li data-target="#carousel-example-generic" data-slide-to="2"></li>
    <li data-target="#carousel-example-generic" data-slide-to="3"></li>
    <li data-target="#carousel-example-generic" data-slide-to="4"></li>
  </ol>

  <!-- 图片 -->
  <div class="carousel-inner">
    <div class="item active">
      <img src="img/imgaa.jpg" alt="1 slide">
    </div>
    <div class="item">
      <img src="img/imgbb.jpg" alt="2 slide">
    </div>
       <div class="item">
      <img src="img/imgcc.jpg" alt="3 slide">
    </div>
       <div class="item">
      <img src="img/imgdd.jpg" alt="4 slide">
    </div
          <div class="item">
      <img src="img/imgee.jpg" alt="5 slide">
    </div>
  </div>

  <!-- 左右键 -->
  <a class="left carousel-control" href="#carousel-example-generic" data-slide="prev">
    <span class="glyphicon glyphicon-chevron-left"></span>
  </a>
  <a class="right carousel-control" href="#carousel-example-generic" data-slide="next">
    <span class="glyphicon glyphicon-chevron-right"></span>
  </a>
</div>

css代码
body{
	padding: 50px;
}
 .carousel{
     height:400px;
     background-color:#000;
     }
.carousel .item{
	height: 400px;
	background-color: #000;
}
.carousel img{
	width: 100%;
}