<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<script type="text/javascript">
function getVote(int)
{
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP" );
}
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">
<h3>Do you like PHP and AJAX so far?</h3>
<form>
Yes:
<input type="radio" name="vote" value="0" onclick="getVote(this.value)" />
<br />No:
<input type="radio" name="vote" value="1" onclick="getVote(this.value)" />
<br />Maybe :
<input type="radio" name="vote" value="1" onclick="getVote(this.value)" />
</form>
</div>
</body>
</html>
<?php
$vote = $_REQUEST['vote'];
//get content of textfile
$filename = "poll_result.txt";
$content = file($filename);
//put content in array
$array = explode("||", $content[0]);
$yes = $array[0];
$no = $array[1];
$no = $array[2];
if ($vote == 0)
{
$yes = $yes + 1;
}
if ($vote == 1)
{
$no = $no + 1;
}
if ($vote == 2)
{
$no = $no + 1;
}
//insert votes to txt file
$insertvote = $yes."||".$no;
$fp = fopen($filename,"w" );
fputs($fp,$insertvote);
fclose($fp);
?>
<h2>Result:</h2>
<table>
<tr>
<td>Yes:</td>
<td>
<img src="poll.gif"
width='<?php echo(100*round($yes/($no+$yes+$maybe),3)); ?>'
height='20'>
<?php echo(100*round($yes/($no+$yes+$maybe),3)); ?>%
</td>
</tr>
<tr>
<td>No:</td>
<td>
<img src="poll.gif"
width='<?php echo(100*round($no/($no+$yes+$maybe),3)); ?>'
height='20'>
<?php echo(100*round($no/($no+$yes+$maybe),3)); ?>%
</td>
</tr>
</tr>
<tr>
<td>Maybe:</td>
<td>
<img src="poll.gif"
width='<?php echo(100*round($no/($no+$yes+$maybe),3)); ?>'
height='20'>
<?php echo(100*round($no/($no+$yes+$maybe),3)); ?>%
</td>
</tr>
</table>
Ici, c'est la cat programmation, donc on répond à des questions précise sur des pbs à résoudre.
