效果如下：
css code:
@charset "utf-8";
/* CSS Document */
body {
font-size:12px;
font-family:"宋体";
margin:0;
padding:0;
_background-image:url(text.txt);
/* for IE6 */ _background-attachment:fixed;
}
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td {
margin:0;
padding:0;
}
a {
color:#666;
text-decoration:none;
}
a:hover {
color:#1e90ff;
}
/* 浮动面板 */
#floatPanel {
}#floatPanel .ctrolPanel {
width:36px;
height:166px;
background:#fff url(../images/float-panel-bg.gif) no-repeat left top;
border:solid 1px #ddd;
position:fixed;
right:25px;
top:300px;
overflow:hidden;
z-index:10000;
_position:absolute;
/* for IE6 */_top:expression(documentElement.scrollTop + 300);
}
#floatPanel .ctrolPanel a {
width:34px;
font-size:12px;
color:#ff6600;
letter-spacing:1px;
text-align:center;
overflow:hidden;
}
#floatPanel .ctrolPanel .arrow {
height:29px;
line-height:28px;
display:block;
margin:1px auto;
}
#floatPanel .ctrolPanel .arrow span {
display:none;
}
#floatPanel .ctrolPanel .arrow:hover {
background:#f4f4f4;
}
#floatPanel .ctrolPanel .arrow:hover span {
display:block;
}
#floatPanel .ctrolPanel .contact {
height:60px;
display:block;
margin:2px auto;
}
#floatPanel .ctrolPanel .contact span {
line-height:90px;
}
#floatPanel .ctrolPanel .qrcode {
height:40px;
display:block;
margin:2px auto;
}
#floatPanel .ctrolPanel .qrcode span {
display:none;
}
#floatPanel .popPanel {
width:230px;
height:242px;
position:fixed;
right:70px;
top:300px;
z-index:10000;
overflow:hidden;
display:none;
_position:absolute;
/* for IE6 */_top:expression(documentElement.scrollTop + 300);
}
#floatPanel .popPanel .popPanel-inner {
width:230px;
height:242px;
position:relative;
overflow:hidden;
}
#floatPanel .popPanel .popPanel-inner .arrowPanel {
width:10px;
height:240px;
position:absolute;
right:1px;
top:102px;
}
#floatPanel .popPanel .popPanel-inner .arrowPanel .arrow01 {
width:0;
height:0;
font-size:0;
line-height:0;
border-top:10px solid transparent;
_border-top:10px solid black;
_filter:chroma(color=black);
border-right:10px solid transparent;
_border-right:10px solid black;
_filter:chroma(color=black);
border-bottom:10px solid transparent;
_border-bottom:10px solid black;
_filter:chroma(color=black);
border-left:10px solid #ddd;
position:absolute;
bottom:0;
position:absolute;
left:2px;
top:0;
}
#floatPanel .popPanel .popPanel-inner .arrowPanel .arrow02 {
width:0;
height:0;
font-size:0;
line-height:0;
border-top:10px solid transparent;
_border-top:10px solid black;
_filter:chroma(color=black);
border-right:10px solid transparent;
_border-right:10px solid black;
_filter:chroma(color=black);
border-bottom:10px solid transparent;
_border-bottom:10px solid black;
_filter:chroma(color=black);
border-left:10px solid #fff;
position:absolute;
bottom:0;
position:absolute;
left:0;
top:0;
}
#floatPanel .popPanel .popPanel-inner .qrcodePanel {
width:220px;
height:240px;
text-align:center;
background:#fff;
border:solid 1px #ddd;
position:absolute;
left:0;
top:0;
overflow:hidden;
}
#floatPanel .popPanel .popPanel-inner .qrcodePanel img {
width:200px;
height:200px;
border:none;
padding:10px 10px 5px 10px;
}
#floatPanel .popPanel .popPanel-inner .qrcodePanel span {
font-size:12px;
color:#666;
line-height:24px;
letter-spacing:1px;
}
index code:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jQuery带微信的返回顶部/底部代码</title>
<link href="css/style.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div style="text-align:center;margin:5000px 0">
<!--浮动面板-->
<div id="floatPanel">
<div class="ctrolPanel">
<a class="arrow" href="#"><span>顶部</span></a>
<a class="contact" href="www.baidu.com" target="_blank"><span>反馈</span></a>
<a class="qrcode" href="#"><span>微信二维码</span></a>
<a class="arrow" href="#"><span>底部</span></a>
</div>
<div class="popPanel">
<div class="popPanel-inner">
<div class="qrcodePanel">
<img src="images/myweichart.png" />
<span>扫描二维码关注我为好友</span>
</div>
<div class="arrowPanel">
<div class="arrow01">
</div>
<div class="arrow02">
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
<script src="js/jquery-1.7.2.min.js"></script>
<script>
$(function(){
// 页面浮动面板
$("#floatPanel > .ctrolPanel > a.arrow").eq(0).click(function(){$("html,body").animate({scrollTop :0}, 800);return false;});
$("#floatPanel > .ctrolPanel > a.arrow").eq(1).click(function(){$("html,body").animate({scrollTop : $(document).height()}, 800);return false;});
var objPopPanel = $("#floatPanel > .popPanel");
var w = objPopPanel.outerWidth();
$("#floatPanel > .ctrolPanel > a.qrcode").bind({
mouseover : function(){
objPopPanel.css("width","0px").show();
objPopPanel.animate({"width" : w + "px"},300);return false;
},
mouseout : function(){
objPopPanel.animate({"width" : "0px"},300);return false;
objPopPanel.css("width",w + "px");
}
});
});
</script>