投票练习题

<!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>
</head>

<body>
<form action="tpchuli.php" method="post">
<?php

include("./lei/AAA.class.php");

$db=new AAA();
$sql="select * from diaoyantimu";
$attr=$db->Query($sql,1);
foreach($attr as $v){
        echo "<div>{$v[1]}</div>";
        $sxx="select * from diaoyanxuanxiang where timudaihao='{$v[0]}'";
        $axx=$db->Query($sql,1);
        $bs=0;
        if(!empty($_GET['a']))
        {
            $bs=$_GET['a'];
            }
            $s=$bs==1?"none":"block";
            echo "<div id='toupiao' style='display:{$s}'>";
            foreach($axx as $v1){
                
                echo "<div><input type'checkbox' name='tp[]' value='{$v1[0]}'>{$v1[1]}</div>";
                }
                echo "</div>";
                $s1=$bs==0?"none":"block";
                echo "<div id='jieguo' style='displey:{$s1}'></div>";
                foreach($axx as $v2)
                {
                    $v2[2];//当前选项的人数
                    //求总人数
                    $szrs="select sum(numbers) from diaoyanxuanxiang where timudaihao='{$v[0]}'";
                    $azrs=$db->Query($szrs);
                    $azrs=0;
                    $bfb=($v2[2]/$azrs[0])*100;
                    echo "
                        <div>
                            {$v2[1]}
                            <div style='px; height:10px; border:1px solid black;'>
                                <div style='{$bfb}%; height:10px; background-color:red;'></div>

                            </div>
                            {$v2[2]} {$bfb}%
                        </div>
                    ";
                }
                    
        echo "</ div>";
}


?>
<input type="submit" value="投票" />
<input type="button" id="jg" value="查看结果" onclick="showjg()" />
<input type="button" id="fanhui" value="返回" onclick="showtp()" />
</form>
</body>
</html>
<script type="text/javascript">
function showjg()
{
    document.getElementById("jieguo").style.display="block";
    document.getElementById("toupiao").style.display="none";
    document.getElementById("jg").style.display="none";
    document.getElementById("fanhui").style.display="block";
    
}

function showtp()
{
    document.getElementById("jieguo").style.display="none";
    document.getElementById("toupiao").style.display="block";
    document.getElementById("jg").style.display="block";
    document.getElementById("fanhui").style.display="none";
}
</script>

<?php
$attr = $_POST["tp"];

$str = implode("','",$attr);

$sql = "update diaoyanxuanxiang set numbers = numbers+1 where ids in('{$str}')";

$db = new MySQLi("localhost","root","123","zz");
$db->query($sql);

header("location:toupiaolianxi.php?a=1");

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原文地址：https://www.cnblogs.com/zxl89/p/6040662.html