投票

投票页面

主页面

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>投票</title>
</head>
<body>
<h1>投票界面</h1>
<form action="tpchuli.php" method="post">
<?php
require_once "./DBDA.php";
$db = new DBDA;
$sql = "select * from dytm";
$arr = $db->query($sql);
//var_dump($arr);
foreach($arr as $v){
    echo $v[1];
    $sqlxx = "select * from dyxx where timudaihao = '{$v[0]}'";
    $arrxx = $db->query($sqlxx);
    foreach($arrxx as $vxx){
        echo "<div><input type='checkbox' name='ck[]' value='{$vxx[0]}'>$vxx[1]</div>";
    }
    
}
?>
<input type="submit" value="提交">
<br />
<a href="./jieguo.php"><button type="button">查看结果</button></a>
</form>
</body>
</html>

处理界面

<?php
$ck = $_POST["ck"];
//var_dump($ck);
require_once "./DBDA.php";
$db = new DBDA();
$str = implode("','",$ck);
$sql = "update dyxx set numbers = numbers+1 where ids in ('{$str}')";
//var_dump($sql);

$arr = $db->query($sql,1);

if($arr){
    header("location:toupian.php");
}else{
    echo"false";
}

结果界面

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>结果</title>
<style type="text/css">
.wai{500px; height:20px;}
.li{500px; height:20px;}
</style>
</head>
<body>
<?php
require_once "./DBDA.php";
$db = new DBDA;
$sql = "select * from dytm";
$arr = $db->query($sql);
//var_dump($arr);
foreach($arr as $v){
    echo "<div>$v[1]</div>";
    $sqlall = "select sum(numbers) from dyxx where timudaihao = '{$v[0]}'";
    $arrall = $db->query($sqlall);
    $sqlxx = "select * from dyxx where timudaihao = '{$v[0]}'";
    $arrxx = $db->query($sqlxx);
    foreach($arrxx as $vxx){
        $vxx[2];
        $arrall[0][0];
        $bfb = ($vxx[2]/$arrall[0][0])*100;
        
        echo "<div>{$vxx[1]}<div class='wai'><div class='li' style='{$bfb}%; background-color:#603'></div></div>{$bfb}%&nbsp&nbsp&nbsp{$vxx[2]}</div>";
    }
    // var_dump($arrxx);
    
}
?>
<a href="./toupian.php"><button type="button">返回</button></a>
</body>
</html>

效果图

原文地址:https://www.cnblogs.com/Whitehat/p/8549851.html