投票操作管理系统

来源：互联网发布：javascript var json 编辑：程序博客网时间：2024/04/29 23:27

vote.php

<html><head>    <meta charset="utf-8">    <title>vote</title>    <script>        function getVote(int) {            xmlhttp=new XMLHttpRequest();            xmlhttp.onreadystatechange=function() {                if (xmlhttp.readyState==4 && xmlhttp.status==200)                {                    document.getElementById("poll").innerHTML=xmlhttp.responseText;                }            }            xmlhttp.open("GET","poll_vote.php?vote="+int,true);            xmlhttp.send();        }    </script></head><body><div id="poll">    <form>        菊花侠:        <input type="radio" name="vote" value="0" onclick="getVote(this.value)">        <br>桃花怪:        <input type="radio" name="vote" value="1" onclick="getVote(this.value)">    </form></div></body></html>

poll_vote.php

<?phpheader("Content-type:text/html;charset=utf-8");$vote = htmlspecialchars($_REQUEST['vote']);// 获取文件中存储的数据$fileDir = "poll_result.txt";$content = file_get_contents($fileDir);// 将数据分割到数组中$array = explode("||", $content);$yes = $array[0];$no = $array[1];if ($vote == 0){    $yes+=1;}if ($vote == 1){    $no+=1;}// 插入投票数据$insertvote = $yes."||".$no;$fp = fopen($fileDir,"w");fputs($fp,$insertvote);fclose($fp);?><h2>投票结果:</h2><table>    <tr>        <td>菊花侠:</td>        <td>  <span style="display: inline-block; background-color:green;      width:<?php echo(100*round($yes/($no+$yes),2)); ?>px;      height:20px;" ></span>            <?php echo(100*round($yes/($no+$yes),2)); ?>%        </td>    </tr>    <tr>        <td>桃花怪:</td>        <td>  <span style="display: inline-block; background-color:red;      width:<?php echo(100*round($no/($no+$yes),2)); ?>px;      height:20px;"></span>            <?php echo(100*round($no/($no+$yes),2)); ?>%        </td>    </tr></table>

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