carousel轮播器

        <div id="myCarousel" class="carousel slide" data-ride="carousel" style=" 900px;">
            <ol class="carousel-indicators">
                <li data-target="#myCarousel" data-slide-to="0"></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/slide1.png" alt="第1张" />
                    <div class="carousel-caption">
                        <h3>Bootstrap</h3>
                        <p>Bootstrap是一款HTML5的响应式框架</p>
                    </div>
                </div>
                <div class="item">
                    <img src="img/slide2.png" alt="第2张" />
                    <div class="carousel-caption">
                        <h3>Bootstrap</h3>
                        <p>Bootstrap是一款HTML5的响应式框架</p>
                    </div>
                </div>
                <div class="item">
                    <img src="img/slide3.png" alt="第3张" />
                    <div class="carousel-caption">
                        <h3>Bootstrap</h3>
                        <p>Bootstrap是一款HTML5的响应式框架</p>
                    </div>
                </div>
            </div>
            
            <a href="#myCarousel" data-slide="prev" class="carousel-control left">&lsaquo;</a>
            <a href="#myCarousel" data-slide="next" class="carousel-control right">&rsaquo;</a>
        </div>

        $('#myCarousel').carousel({
            interval:2000,
            
        });