JS实现投票

来源：互联网发布：德州金蝶软件编辑：程序博客网时间：2024/06/05 00:27

一、js柱状投票图

效果图：

JS实现投票

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>js柱状投票图</title>
<style type="text/css">
body { font-weight:bold; color:#fff; font-size:16px; font-family:Arial, Helvetica, sans-serif; background-color:#000000;}

.zhu { margin-top:100px; width:420px; position:relative;}
.good { width:200px; position:absolute; bottom:0; left:0; text-align:center; background-color:#f00; height:50px;}
.bad { width:200px;position:absolute; bottom:0; right:0; text-align:center; background-color:#009900; height:50px;}
.and {}
</style>

<script type="text/javascript">
//innerHTML 属性设置或返回表格行的开始和结束标签之间的 HTML。
//value 属性可设置或返回单选按钮的 value 属性的值。
//所有css在DOM结构里面都是字符型的没有数字型的

function TouPiao(){
var good= parseInt(document.ballot.good_num.value);
var bad= parseInt(document.ballot.bad_num.value);
var sum= good+bad;

var sum_g=Math.round(good/sum*100);
var sum_b=Math.round(bad/sum*100);

document.getElementByIdx_x_x_x("and").innerHTML = "总数为:"+sum+"票";
document.getElementByIdx_x_x_x("g").innerHTML = "好评"+sum_g+"%";
document.getElementByIdx_x_x_x("b").innerHTML = "差评:"+sum_b+"%";

document.getElementByIdx_x_x_x("g").style.height = sum_g+"px";
document.getElementByIdx_x_x_x("g").style.marginTop = (sum_g-100)+"px";
document.getElementByIdx_x_x_x("b").style.height = sum_b+"px";
document.getElementByIdx_x_x_x("b").style.marginTop = (sum_b-100)+"px";

}
</script>
</head>

<body>
<form action="" method="get" name="ballot">
好评票数：<input name="good_num" type="text" /><br />
差评票数：<input name="bad_num" type="text" /><br />
<input name="bt" type="button" value="提交" onclick="TouPiao()" />
</form>
<div class="zhu">
<div class="good" id="g">好评50%</div>
<div class="bad" id="b">差评50%</div>
</div>
<div class="and" id="and">总数为0票</div>

</body>
</html>

二、JS投票

效果图：

JS实现投票

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
  <TITLE>投票 </TITLE>
  <META NAME="Generator" CONTENT="EditPlus">
  <META NAME="Author" CONTENT="">
  <META NAME="Keywords" CONTENT="">
  <META NAME="Description" CONTENT="">
  <mce:style></mce:style><style mce_bogus="1"> .voteresult{
  margin: 2px;
  margin-top: 5px;
  display: block;
  float: left;
  width: 250px;
  height: 10px;
  background-color: #EEE;
  overflow: hidden;
}
.style3{
  background-color: #666666;
}
  </style>

<mce:script type="text/javascript"><!--
var total_vote = 0;
var lq_vote = 0;
var zq_vote = 0;
var ppq_vote = 0;

  if(selectItem <= 0){
   alert("请先选择您喜欢的运动");
   return;
  }

  var lq_num = new Number(lq_vote/total_vote);
  var zq_num = new Number(zq_vote/total_vote);
  var ppq_num = new Number(ppq_vote/total_vote);

alert("投票成功");

  setSpanWidth(lq_num, 1);
  setSpanWidth(zq_num, 2);
  setSpanWidth(ppq_num, 3);

  for(i = 0; i < items.length; i++){
   items[i].checked = false;
  }

}

//设置投票结果显示
function setSpanWidth(vote_num, type){
  var _width = new Number(250*vote_num);
  var _span = document.getElementByIdx_x_x_x("span" + type);
  var _span1 = document.getElementByIdx_x_x_x("span1" + type);
  //alert(_span.style.width);
  _span.style.width = _width.toFixed(0);
  var _percent = new Number(100*vote_num);
  _span1.innerHTML = _percent.toFixed(1) + "%";
}

// --></mce:script>
</HEAD>

<BODY>
你喜欢的运动：
<br>
篮球 <input type="checkbox" name="item" value="1"> 足球 <input type="checkbox" name="item" value="2">  乒乓球 <input type="checkbox" name="item" value="3">
   <br>
  <input type="button" value="提交" onclick="vote();">
<br>
<br>
<table>
<tr>
<td colspan=3><b>投票结果</b></td>
</tr>
<tr>
<td>篮球</td>
<td><div class="voteresult"><span id="span1" class="style3" style="width: 0px;"></span></div></td>
<td><span id="span11">0%</span><td>
</tr>
<tr>
<td>足球</td>
<td><div class="voteresult"><span id="span2" class="style3" style="width: 0px;"></span></div></td>
<td><span id="span12">0%</span><td>
</tr>
<tr>
<td>乒乓球</td>
<td><div class="voteresult"><span id="span3" class="style3" style="width: 0px;"></span></div></td>
<td><span id="span13">0%</span><td>
  </tr>
</table>
</BODY>
</HTML>

三、投票