php 投票系统练习

时间：2021-06-25 21:57:28
<!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=utf-8" />

<title>无标题文档</title>

<style type="text/css">

.x

{

    float:left;

}

#top

{

    width:500px;

    height:150px;

}

#bottom

{

    width:500px;

    height:150px;

    display:none;

}

#fanhui

{

    display:none;}

</style>

</head>

<body>

<!--投票页面-->

<form action="toupiaochuli.php" method="post">

<?php

include("dbda.class.php");

$db=new dbda();

$stm="select * from diaoyantimu limit 0,1";

$atm=$db->Query($stm);    

echo "<div>题目名称:{$atm[0][1]}</div>";

$sxx="select * from diaoyanxuanxiang where timudaihao='{$atm[0][0]}'";

$axx=$db->Query($sxx);

echo"<div id='top'>";

foreach($axx as $v)

{

        echo "<div><input type='checkbox' value='{$v[0]}'

        name='xx[]' />{$v[1]}</div>";

}

echo"</div>";

?>

<!--显示结果-->

<div id="bottom">

<?php

$sum="select sum(numbers) from diaoyanxuanxiang where

timudaihao='{$atm[0][0]}'";

$asum=$db->Query($sum);

$total=$asum[0][0];

foreach($axx as $v)

{

    $bfb=($v[2]/$total)*100;

    echo"<div><span class='x'>{$v[1]}</span>

    <div class='x' style='border:1px solid black; width:120px; height:12px;'>

        <div style='background-color:red;height:12px;width:{$bfb}%'>

        </div>

    </div>

    <span class='x'>&nbsp;{$v[2]}&nbsp;</span>

    <span class='x'>{$bfb}%</span>

    </div>

    <div style='clear:both'></div>";

    }

?>

</div>

<div id="anniu">

<input type="submit" value="提交" />

<input type="button" value="查看" onclick="showresult()" />

</div>

<div id="fanhui"><input type="button" value="返回" onclick="show()" /></div>

</form>

</body>

<script type="text/javascript">

function showresult()

{

    document.getElementById("top").style.display="none";

    document.getElementById("bottom").style.display="block";

    document.getElementById("fanhui").style.display="block";

    document.getElementById("anniu").style.display="none";

}

function show()

{

    document.getElementById("top").style.display="block";

    document.getElementById("bottom").style.display="none";

    document.getElementById("fanhui").style.display="none";

    document.getElementById("anniu").style.display="block";

}

</script>

</html>
<?php

$ids=$_POST["xx"];

include("dbda.class.php");

$db=new dbda();

foreach($ids as $v)

{

    $sql="update diaoyanxuanxiang set numbers=numbers+1 where

    ids='{$v}'";

    $db->Query($sql,0);

}

header("location:lianxi.php");

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