PHP 查询练习 - 爱码网

<!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">
#list{ width:250px; height:200px}
#jieguo{ width:250px; height:200px}
.x{float:left}
</style>
</head>

<body>
<form action="chuli.php" method="post">
<?php 
include("../DBDA.php");
$db = new DBDA();

$sql = "select * from DiaoYanTiMu limit 0,1";

$attr = $db->Query($sql);

$tmmc = $attr[0][1];
$tmdh = $attr[0][0];

echo "<div>题目名称：{$tmmc}</div>";

$sqlxx = "select * from DiaoYanXuanXiang where TiMuDaiHao = \'{$tmdh}\'";

$attrxx = $db->Query($sqlxx);
echo "<div id=\'list\'>";
foreach($attrxx as $v)
{
    echo "<div>
    <input type=\'checkbox\' value=\'{$v[0]}\' name=\'xx[]\' />
    <span>{$v[1]}</span>
    </div>";
}

?>
<input type="submit" value="提交" /> 
<input type="button" value="查看结果" id="check" onclick="ShowJieGuo()" />
</form>
</div>
<div id="jieguo" style="display:none">
    
    <?php
    
    $sqlsum  ="select sum(Numbers) from DiaoYanXuanXiang where TiMuDaiHao = \'{$tmdh}\'";
    $attrsum = $db->Query($sqlsum);//所有人数
    
    foreach($attrxx as $v)
    {
        $name = $v[1]; //选项名
        $number = $v[2]; //选择该项的人数
        $bfb = ($number/$attrsum[0][0])*100;
        $bfb = round($bfb,2); //取小数点后两位
        
        echo "<div style=\'width:250px; height:30px\'>
        <span class=\'x\'>{$name}</span>
        <div class=\'x\' style=\'width:100px; height:8px; border:1px solid red\'>
        <div style=\'width:{$bfb}%; height:8px; background-color:red\'></div>
        </div>
        <span class=\'x\'>{$number}&nbsp;</span>
        <span class=\'x\'>{$bfb}%</span>
        </div>";
    }
    
    ?>
    <input type="button" value="返回" id="fanhui" onclick="ShowList()" />
</div>
<script type="text/javascript">
function ShowJieGuo()
{
    document.getElementById("list").style.display = "none";
    document.getElementById("jieguo").style.display = "block";
}
function ShowList()
{
    document.getElementById("list").style.display = "block";
    document.getElementById("jieguo").style.display = "none";
}
</script>
</body>
</html>

<?php

$attr = $_POST["xx"];
include("../DBDA.php");
$db = new DBDA();

foreach($attr as $v)
{
    $sql = "update DiaoYanXuanXiang set Numbers = Numbers+1 where Ids = \'{$v}\'";
    $db->Query($sql,0);
}

header("location:test.php");