BootStrap 轮播插件

<div id="myCarousel" class="carousel slide" data-ride="carousel" style="width: 900px;">

    <ol class="carousel-indicators">

        <li data-target="#myCarousel" data-slide-to="0" class="active"></li>

        <li data-target="#myCarousel" data-slide-to="1"></li>

        <li data-target="#myCarousel" data-slide-to="2"></li>

    </ol>

    <div class="carousel-inner">

        <div class="item active"><img src="img/2.jpg" alt="第一张" /></div>

        <div class="item"><img src="img/3.jpg" alt="第二张" /></div>

        <div class="item"><img src="img/4.jpg" alt="第三张" /></div>

    </div>

    <a href="#myCarousel" data-slide="prev" class="carousel-control left">‹</a>

    <a href="#myCarousel" data-slide="next" class="carousel-control right">›</a>

</div>