js特效

代码结构

1. 引入CSS

<link rel="stylesheet" type="text/css" href="css/zzsc.css" />

2. 引入JS

<script type="text/javascript" src="js/jquery-1.10.2.min.js"></script>
<script type="text/javascript" src="js/jquery.easing.min.js"></script>

3. HTML代码

<style type="text/css">
*{ padding:0; margin:0;}
ul,li { list-style:none;}
img { border:none;}
.banner { width:900px; margin:0 auto;}
.banner { cursor:pointer;}
</style>
<div class="banner" id="banner">
        <a id="prevbt"></a>
    <a id="nextbt"></a>
        <ul>
                <li>
                <a href="#">
                    <img src="images/135402u7bigt1bdqigqfmf.jpg" />
            </a>
        </li>
                <li>
                <a href="#">
                    <img src="images/180036tcfujeszqmqmjcg7.jpg" />
            </a>
        </li>
        <li>
                <a href="#">
                    <img src="images/211452s1ngghpu6ucgui1p.png" />
            </a>
        </li>
        <li>
                <a href="#">
                    <img src="images/201537o9qtlqu3g9l93nfl.jpg" />
            </a>
        </li>
        </ul>
</div>
<script>
var li_Width=900;
var banner_Li_Num=$('#banner li').length;
$('#banner ul').css({'width':li_Width*banner_Li_Num,'marginLeft':-li_Width});
function prevbt(){
        $('#prevbt').unbind('click');
        $('#banner li:last').detach().insertBefore('#banner li:first').parents('ul').css('marginLeft',-li_Width*2).stop(true).animate({marginLeft:-li_Width},800,'easeInOutBack',function(){
                $('#prevbt').bind('click',prevbt);
                });
        }
function nextbt(){
        $('#nextbt').unbind();
        $('#banner ul').stop(true).animate({marginLeft:-li_Width*2},800,'easeInOutBack',function(){
                $('#banner ul').css('marginLeft',-li_Width).find('li:first').insertAfter('#banner li:last');
                $('#nextbt').bind('click',nextbt);
                })
        }
$('#prevbt').click(function(){
        prevbt();
        })
$('#nextbt').click(function(){
        nextbt();
        })
banner_T=setInterval(banner_Auto,3000)
        function banner_Auto(){
                nextbt();
                }
$('#banner').hover(function(){
        clearInterval(banner_T);
        },function(){
                banner_T=setInterval(banner_Auto,3000);
                })
</script>
<div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';">
</div>