大家直接自己看吧，请多多指教，这个是几个月前写的，现在全部整理一下。
<!doctype html>
<html>
<head>
<meta charset="utf-8" >
<title></title>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script>
<style type="text/css">
body,div,a,span{margin:0;padding:0;}
.g-pt-10{ padding-top:10px; }
.g-ta-c{ text-align:center; }
.g-fz-16{ font-size:16px; }
.g-d-b{ display:block; }
.g-f-l{ float:left; }
.g-c-w{ color:#fff; }
.g-fz-18{ font-size:18px; }
.g-d-ib{ display:inline-block; }
.g-cf:after { content:""; clear:both; display:table; }
.g-cf { zoom:1; }
a:hover{ text-decoration:none; color:#ff0000; }
.box{ width:705px; height:242px; margin:50px auto; background:#f5f9fe; border:1px solid #6888a1; }
div.mid{ width:330px; margin:20px auto; }
a.support{ width:124px; height:73px; background:#008DCA url("support.png"); margin-right:80px; }
a.oppose{ width:124px; height:73px; background:#F78106 url("oppose.png"); }
.g-mt-45{ margin-top:45px; }
span.line{ width:380px; height:17px; margin:0 auto; background:#008DCA; }
span.line2{ width:80px; height:17px; background:#F78106; }
</style>
</head>
<body>
<div class="box">
<h3 class="g-pt-10 g-ta-c g-fz-16">如果微信将会进行收费，你将会怎么办？</h3>
<div class="mid g-cf">
<a class="support g-d-b g-f-l" onclick="support();">
<p class="g-ta-c g-c-w g-fz-18 g-mt-45" id="supamount">0</p>
</a>
<a class="oppose g-d-b g-f-l" onclick="oppose();">
<p class="g-ta-c g-c-w g-fz-18 g-mt-45" id="oppamount">0</p>
</a>
</div>
<div class="g-ta-c">
<p class="g-d-ib" id="suppercent">0</p>%
<span class="line g-d-ib g-cf"><span class="line2 g-d-ib g-f-l" id="supline"></span></span>
<p class="g-d-ib" id="opppercent">0</p>%
</div>
</div>
<script type="text/javascript">
var sup=parseInt($('#supamount').text());
var opp=parseInt($('#oppamount').text());
function support(){
sup+=1;
$('#supamount').text(sup.toString());
$('#suppercent').text(((sup/(sup+opp))*100).toFixed(0).toString());
$('#opppercent').text((100-(sup/(sup+opp))*100).toFixed(0).toString());
$('#supline').attr("style","width:"+380*(sup/(sup+opp))+"px");
}
function oppose(){
opp+=1;
$('#oppamount').text(opp.toString());
$('#suppercent').text(((sup/(sup+opp))*100).toFixed(0).toString());
$('#opppercent').text((100-(sup/(sup+opp))*100).toFixed(0).toString());
$('#supline').attr("style","width:"+380*(sup/(sup+opp))+"px");
}
</script>
</body>