本人菜鳥一名,如有那麼地方寫得不好的，請高手各位高手大神指點指點啊，感激不盡！！！
下面直接上代碼了。。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>自寫jquery輪播圖帶左右箭頭</title>
<style type="text/css">
*{
margin:0 auto;
padding:0;
}
ul{
list-style-type:none;
}
img{
border:0;
}
.branch_bar{
width:550px;
height:220px;
overflow:hidden;
position:relative;
}
.branch_bar .branch{
width:3000px;
}
.branch_bar .branch li{
float:left;
}
.branch_bar .branch li img{
width:550px;
height:220px;
}
.prev{
position:absolute;
top:100px;
left:10px;
color:#fff;
cursor:pointer;
}
.next{
position:absolute;
top:100px;
right:10px;
color:#fff;
cursor:pointer;
}
</style>
<script type="text/javascript" src="https://code.jquery.com/jquery-3.0.0.min.js"></script>//溫情提示：在IE8及以下的版本可能加載延遲導致錯誤，請更換自己下載的jquery版本
<script type="text/javascript">
$(function(){
var timer = '';
var branch_len = $('.branch li').length;
var branch_img_len = $('.branch img').width();
var branch_img_count_len = parseInt(branch_len * branch_img_len);
$(".next").click(function(){
if(!$(".branch li:first").is(":animated")){
$(".branch li:first").animate({'marginLeft':'-=550px'},500,function(){
$(".branch li:first").css('marginLeft',0);
$('.branch').append($(".branch li:first"));
});
}
});
$(".prev").click(function(){
if(!$(".branch li:first").is(":animated")){
$('.branch').prepend($(".branch li:last"));
$('.branch li:first').css({'marginLeft':'-550px'});
$(".branch li:first").animate({'marginLeft':'+=550px'},500,function(){
$(".branch li:first").css('marginLeft','0px');
});
}
});
timer = setInterval(function(){
$(".next").click();
},2000);
$(".branch_bar").mouseenter(function(){
clearInterval(timer);
});
$(".branch_bar").mouseleave(function(){
timer = setInterval(function(){
$(".next").click();
},2000)
});
});
</script>
</head>
<body>
<div class="branch_bar">
<ul class="branch">
<li><a href="#" title=""><img src="images/banner_small_1.png"></a></li>
<li><a href="#" title=""><img src="images/banner_small_2.png"></a></li>
<li><a href="#" title=""><img src="images/banner_small_3.png"></a></li>
<li><a href="#" title=""><img src="images/banner_small_4.png"></a></li>
</ul>
<span class="prev">«向左滾動</span>
<span class="next">向右滾動»</span>
</div>
</body>
</html>
注：兼容所有主流瀏覽器，IE6沒測，所以不知道。。