jQuery實現的簡單投票簡單程式碼例項

antzone發表於2017-03-03
jQuery

投票功能在很多網站都有應用，本章節分享一段使用jQuery實現的這樣的程式碼。

程式碼例項如下:

[HTML] 純文字檢視 複製程式碼
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>螞蟻部落</title>
<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;
  margin-right:80px;
}
a.oppose {
  width:124px;
  height:73px;
  background:#F78106;
}
.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>
<script type="text/javascript" src="mytest/jQuery/jquery-1.8.3.js"></script>
<script type="text/javascript"> 
var sup;
var opp
function support(){ 
  sup+=1; 
  $('#supamount').text(sup.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"); 
} 
$(document).ready(function(){
  sup=parseInt($('#supamount').text()); 
  opp=parseInt($('#oppamount').text());   
})
</script>
</head>
<body>
<div class="box">
  <h3 class="g-pt-10 g-ta-c g-fz-16">如果微信將會進行收費，你將會怎麼辦？</h3>
  <div class="mid g-cf"> <a class="support g-d-b g-f-l">
    <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">
    <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>
</body>
</html>

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