自适应屏幕BANNER

(引入4个文件)
<script src="/YIQI-UI/jquery-2.1.1.min.js"></script>
<link href="/YIQI-UI/YIQI-UI.min.css" rel=stylesheet>

<script src="/plus/banner/js_banner.js"></script>
<link href="/plus/banner/js_banner.css" rel=stylesheet>

HTML代码
<div class="banner">
    <div class="b-img">
        <a href="#" style="background:url(banner0.jpg) center no-repeat;"></a>
        <a href="#" style="background:url(banner1.jpg) center no-repeat;"></a>
        <a href="#" style="background:url(banner2.jpg) center no-repeat;"></a>
    </div>
    <div class="b-list"></div>
    <a class="bar-left" href="javascript:;"><em></em></a>
    <a class="bar-right" href="javascript:;"><em></em></a>
</div>