<div class="carousel slide" data-ride="carousel" id="carousel" data-interval="3000"> //data-interval設置輪播間隔為3秒鐘 <!-- 廣告序號指示器(表示當前第幾張的下方的幾個小圓圈)，可加可不加 --> <ol class="carousel-indicators">  <li data-target="#carousel" data-slide-to="0"></li>  <li data-target="#carousel" data-slide-to="1" class="active"></li>  <li data-target="#carousel" data-slide-to="2"></li>  <li data-target="#carousel" data-slide-to="3"></li> </ol> <div class="carousel-inner">  <div class="item">   <img src="img/02.jpg" alt=""/>   <!-- 為廣告添加說明文字，在圖片上中下方顯示，可加可不加 -->   <div class="carousel-caption">    <h3>First slide label</h3>    <p>Nulla vitae elit libero, a pharetra augue mollis interdum.</p>   </div>  </div>  <div class="item active">   <img src="img/03.jpg" alt=""/>   <!-- 為廣告添加說明文字，在圖片上中下方顯示，可加可不加 -->   <div class="carousel-caption">    <h3>Second slide label</h3>    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>   </div>  </div>  <div class="item">   <img src="img/04.jpg" alt=""/>   <!-- 為廣告添加說明文字，在圖片上中下方顯示，可加可不加 -->   <div class="carousel-caption">    <h3>Third slide label</h3>    <p>Praesent commodo cursus magna, vel scelerisque nisl consectetur.</p>   </div>  </div>  <div class="item">   <img src="img/05.jpg" alt=""/>   <!-- 為廣告添加說明文字，在圖片上中下方顯示，可加可不加 -->   <div class="carousel-caption">    <h3>Fourth slide label</h3>    <p>Nulla vitae elit libero, a pharetra augue mollis interdum.</p>   </div>  </div> </div> <!-- 上一張的按鈕，可加可不加 --> <a class="left carousel-control" href="#carousel" rel="external nofollow" rel="external nofollow" data-slide="prev">  <span class="glyphicon glyphicon-chevron-left"></span> </a> <!-- 下一張的按鈕，可加可不加 --> <a class="right carousel-control" href="#carousel" rel="external nofollow" rel="external nofollow" data-slide="next">  <span class="glyphicon glyphicon-chevron-right"></span> </a></div>