php+ajax+jquery 定时刷新页面数据
testajax.php
<!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=gbk" />
<title>testajax</title>
</head>
<body>
<script src='http://www.kuitao8.com/images/js/jquery-1.9.1.min.js'></script>
<script type= "text/javascript">
$(document).ready(function() {
function update() {
$.ajax({
type: 'GET',
url: 'ajax.php',
success: function(data) {
$("#timer").html(data);
//window.setTimeout(update, 1000);
},
});
}
setInterval(function(){update();}, 1000);
//update();
});
</script>
<div style="margin:80px auto;width:500px;font-size:32px;color:red;">
<div id="timer"> </div>
</div>
</body>
</html>
ajax.php
<?php
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . 'GMT');
header('Cache-Control: no-cache, must-revalidate');
include_once 'inc/conn.php';
include_once 'inc/utility2.php';
include_once 'inc/utility_all.php';
include_once 'inc/utility.php';
global $connection;
$stunum="4257330415748211";
$snum='3';
$sql = "select * from jo_reviewmsg where pnum='{$stunum}' and snum='{$snum}' and status='2' order by id desc limit 1";
$result=mysql_query($sql,$connection);
if($row=mysql_fetch_array($result)){
$flag=$row['flag'];
$reason=$row['reason'];
$retstr=$flag.$reason;
}
else
$retstr='';
date_default_timezone_set("Asia/Shanghai");
echo date("Y-m-d H:i:s")." ret=".$retstr;
?>
